一,理解同步异步模式
01, 使用LGWR 进程的SYNC 方式
1）Primary Database 产生的Redo 日志要同时写到日志文件和网络。也就是说LGWR进程把日志写到本地日志文件的同时还要发送给本地的LNSn进程（Network Server Process），再由LNSn（LGWR Network Server process）进程把日志通过网络发送给远程的目的地，每个远程目的地对应一个LNS进程，多个LNS进程能够并行工作。
2）LGWR 必须等待写入本地日志文件操作和通过LNSn进程的网络传送都成功，Primary Database 上的事务才能提交，这也是SYNC的含义所在。
3）Standby Database的RFS进程把接收到的日志写入到Standby Redo Log日志中。
4）Primary Database的日志切换也会触发Standby Database 上的日志切换，即Standby Database 对Standby Redo Log的归档，然后触发Standby Database 的MRP或者LSP 进程恢复归档日志。
因为Primary Database 的Redo 是实时传递的，于是Standby Database 端可以使用两种恢复方法：
实时恢复（Real-Time Apply）： 只要RFS把日志写入Standby Redo Log 就会立即进行恢复；
归档恢复： 在完成对Standby Redo Log 归档才触发恢复。
Primary Database默认使用ARCH进程，如果使用LGWR进程必须明确指定。使用LGWR SYNC方式时，可以同时使用NET_TIMEOUT参数，这个参数单位是秒，代表如果多长时间内网络发送没有响应，LGWR 进程会抛出错误。 示例如下：
alter system set log_archive_dest_2 = 'SERVICE=ST LGWR SYNC NET_TIMEOUT=30' scope=both;
02, 使用LGWR进程的ASYNC 方式
使用LGWR SYNC方法的可能问题在于，如果日志发送给Standby Database过程失败，LGWR进程就会报错。也就是说Primary Database的LGWR 进程依赖于网络状况，有时这种要求可能过于苛刻，这时就可以使用LGWR ASYNC方式。 它的工作机制如下：
1） Primary Database 一端产生Redo 日志后，LGWR 把日志同时提交给日志文件和本地LNS 进程，但是LGWR进程只需成功写入日志文件就可以，不必等待LNSn进程的网络传送成功。
2） LNSn进程异步地把日志内容发送到Standby Database。多个LNSn进程可以并发发送。
3） Primary Database的Online Redo Log 写满后发生Log Switch，触发归档操作，也触发Standby Database对Standby Database对Standby Redo Log 的归档；然后触发MRP或者LSP 进程恢复归档日志。
因为LGWR进程不会等待LNSn进程的响应结果，所以配置LGWR ASYNC方式时不需要NET_TIMEOUT参数。示例如下：
alter system set log_archive_dest_2 = 'SERVICE=ST LGWR ASYNC ' scope=both;
二,理解DG三大保护模式
| Maximum Availability | Maximum Performance | Maximum Protection |
| AFFIRM | NOAFFIRM | AFFIRM |
| SYNC | ASYNC | SYNC |
1.最大可用性模式（Maximum Availability）
1）该模式提供了仅次于“最大保护模式”的数据保护能力；
2）要求至少一个物理备库收到重做日志后，主库的事务才能够提交；
3）主库找不到合适的备库写入时，主库不会关闭，而是临时降低到“最大性能模式”模式，直到问题得到处理；
4）优点：该模式可以在没有问题出现的情况下，保证备库没有数据丢失，是一种折中的方法；
5）缺点：在正常运行的过程中缺点是主库的性能受到诸多因素的影响。
2.最大性能模式（Maximum Performance）
1）该模式是默认模式，可以保证主数据库的最高可用性；
2）保证主库运行过程中不受备库的影响，主库事务正常提交，不因备库的任何问题影响到主库的运行；
3）优点：避免了备库对主数据库的性能和可用性影响；
4）缺点：如果与主库提交的事务相关的恢复数据没有发送到备库，这些事务数据将被丢失，不能保证数据无损失。
3.最大保护模式（Maximum Protection）
1）这种模式提供了最高级别的数据保护能力；
2）要求至少一个物理备库收到重做日志后，主库的事务才能够提交；
3）主库找不到合适的备库写入时，主库会自动关闭，防止未受保护的数据出现；
4）优点：该模式可以保证备库没有数据丢失；
5）缺点：主库的自动关闭会影响到主库的可用性，同时需要备库恢复后才能提交，对网络等客观条件要求非常的高，主库的性能会因此受到非常大的冲击。
三,了解FAR SYNC
Active Data Guard Far Sync是Oracle 12c的新功能（也称为Far Sync Standby），Far Sync功能的实现是通过在距离主库(Primary Database)相对较近的地点配置Far Sync实例，主库(Primary Database) 同步(synchronous)传输redo到Far Sync实例，然后Far Sync实例再将redo异步(asynchronous)传输到终端备库(Standby Database)。这样既可以保证零数据丢失又可以降低主库压力。Far Sync实例只有密码文件，init参数文件和控制文件，而没有数据文件。
如果redo 传输采用Maximum Availability模式，我们可以在距离生产中心(Primary
Database)相对较近的地点配置Far Sync实例，主库(Primary
Database)同步(synchronous)传输redo到Far Sync实例，保证零数据丢失（zero data
loss），同时主库和Far Sync距离较近，网络延时很小，因此对主库性能影响很小。然后Far
Sync实例再将redo异步(asynchronous)发送到终端备库(Standby
Database)。
如果redo 传输采用Maximum Performance模式，我们可以在距离生产中心(Primary
Database)相对较近的地点配置Far Sync实例，主库(Primary Database) 异步传输redo到Far
Sync实例，然后Far Sync实例再负责传输redo到其他多个终端备库(Standby
Database)。这样可以减少主库向多个终端备库(Standby
Database)传输redo的压力（offload）。
Far Sync配置对于Data Guard 角色转换(role
transitions)是透明的，即switchover/failover命令方式与12c之前相同。
考虑到可能发生Data Guard 角色转换，即switchover/failover，可以在距离备库较近的地方也配置Far
Sync实例，这个Far Sync实例只有在当前的备库切换为主库后才启用。
考虑到Far Sync实例的单点故障，可以在距离主库较近的地点配置2个Far
Sync实例，起到备用的作用
理论图:主传给FS1 节点再由FS1节点传给备库然后备库写到磁盘,F1宕机后由F2接管,完成一个高可用架构
图:
四,配置FAR SYNC
01, 系统描述
| 角色 | 主库 | 备库 | far sync节点一 | far sync节点二 |
| IP地址 | 192.168.0.31 | 192.168.0.32 | 192.168.0.33 | 192.168.0.34 |
| hostsname | node12c01 | node12c02 | node12c03 | node12c04 |
| DB_unique_name | node12c01 | node12c02 | node12c03 | node12c04 |
| 实例名 | orcl | orcl | orcl | orcl |
| 监听服务 | 见下 | 见下 | 见下 | 见下 |
| 控制文件 |
/orcl/app/oracle/oradata/orcl/control01.ctl, /orcl/app/oracle/fast_recovery_area/ orcl/control02.ctl |
见左 | 见左 |
见左 |
主库监听:
1 [oracle@node12c01 admin]$ cat listener.ora --- 主库与备库DG状态,这个是不需要更改的 2 # listener.ora Network Configuration File: /orcl/app/oracle/product/12.1.0/db_1/network/admin/listener.ora 3 # Generated by Oracle configuration tools. 4 5 SID_LIST_LISTENER = 6 (SID_LIST = 7 (SID_DESC = 8 (SID_NAME = PLSExtProc) 9 (ORACLE_HOME = /orcl/app/oracle/product/12.1.0/db_1/) 10 (PROGRAM = extproc) 11 ) 12 (SID_DESC = 13 (GLOBAL_DBNAME = NODE12C01) 14 (ORACLE_HOME = /orcl/app/oracle/product/12.1.0/db_1) 15 (SID_NAME = orcl) 16 ) 17 (SID_DESC = 18 (GLOBAL_DBNAME = NODE12C01_DGMGRL) 19 (ORACLE_HOME = /orcl/app/oracle/product/12.1.0/db_1) 20 (SID_NAME = orcl) 21 ) 22 (SID_DESC = 23 (GLOBAL_DBNAME = node12c) 24 (ORACLE_HOME = /orcl/app/oracle/product/12.1.0/db_1) 25 (SID_NAME = ORCL) 26 ) 27 ) 28 29 LISTENER = 30 (DESCRIPTION_LIST = 31 (DESCRIPTION = 32 (ADDRESS = (PROTOCOL = TCP)(HOST = node12c01)(PORT = 1521)) 33 ) 34 (DESCRIPTION = 35 (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521)) 36 ) 37 ) 38 39 ADR_BASE_LISTENER = /orcl/app/oracle/
1 # tnsnames.ora Network Configuration File: /orcl/app/oracle/product/12.1.0/db_1/network/admin/tnsnames.ora 2 # Generated by Oracle configuration tools. 3 4 LISTENER_ORCL = 5 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.31)(PORT = 1521)) 6 7 ORCL = //---DG配置的 8 (DESCRIPTION = 9 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.31)(PORT = 1521)) 10 (CONNECT_DATA = 11 (SERVER = DEDICATED) 12 (SERVICE_NAME = NODE12C01) 13 (UR=A) 14 ) 15 ) 16 node12c01 = //--需要tnsping 互通的节点都写上 17 (DESCRIPTION = 18 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.31)(PORT = 1521)) 19 (CONNECT_DATA = 20 (SERVER = DEDICATED) 21 (SERVICE_NAME = NODE12C01) 这个对应着服务的名字DB_unique_name的 22 (UR=A) 23 ) 24 ) 25 node12c02 = 26 (DESCRIPTION = 27 (ADDRESS_LIST = 28 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.32)(PORT = 1521)) 29 ) 30 (CONNECT_DATA = 31 (SERVICE_NAME = NODE12C02) 32 (UR=A) 33 ) 34 ) 35 node12c03 = 36 (DESCRIPTION = 37 (ADDRESS_LIST = 38 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.33)(PORT = 1521)) 39 ) 40 (CONNECT_DATA = 41 (SERVICE_NAME = NODE12C03) 42 (UR=A) 43 ) 44 ) 45 node12c04 = 46 (DESCRIPTION = 47 (ADDRESS_LIST = 48 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.34)(PORT = 1521)) 49 ) 50 (CONNECT_DATA = 51 (SERVICE_NAME = NODE12C04) 52 (UR=A) 53 ) 54 )
备库监听:
1 [oracle@node12c02 admin]$ cat listener.ora 2 # listener.ora Network Configuration File: /orcl/app/oracle/product/12.1.0/db_1/network/admin/listener.ora 3 # Generated by Oracle configuration tools. 4 5 SID_LIST_LISTENER = 6 (SID_LIST = 7 (SID_DESC = 8 (SID_NAME = PLSExtProc) 9 (ORACLE_HOME = /orcl/app/oracle/product/12.1.0/db_1/) 10 (PROGRAM = extproc) 11 ) 12 (SID_DESC = 13 (GLOBAL_DBNAME = NODE12C02) 14 (ORACLE_HOME = /orcl/app/oracle/product/12.1.0/db_1) 15 (SID_NAME = orcl) 16 ) 17 (SID_DESC = 18 (GLOBAL_DBNAME = NODE12C02_DGMGRL) 19 (ORACLE_HOME = /orcl/app/oracle/product/12.1.0/db_1) 20 (SID_NAME = orcl) 21 ) 22 ) 23 24 LISTENER = 25 (DESCRIPTION_LIST = 26 (DESCRIPTION = 27 (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1)) 28 ) 29 (DESCRIPTION = 30 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.32)(PORT = 1521)) 31 ) 32 ) 33 34 ADR_BASE_LISTENER = /orcl/app/oracle
1 [oracle@node12c02 admin]$ cat tnsnames.ora 2 # tnsnames.ora Network Configuration File: /orcl/app/oracle/product/12.1.0/db_1/network/admin/tnsnames.ora 3 # Generated by Oracle configuration tools. 4 5 LISTENER_ORCL = 6 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.32)(PORT = 1521)) 7 8 node12c01 = 9 (DESCRIPTION = 10 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.31)(PORT = 1521)) 11 (CONNECT_DATA = 12 (SERVER = DEDICATED) 13 (SERVICE_NAME = NODE12C01) 14 (UR=A) 15 ) 16 ) 17 node12c02 = 18 (DESCRIPTION = 19 (ADDRESS_LIST = 20 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.32)(PORT = 1521)) 21 ) 22 (CONNECT_DATA = 23 (SERVICE_NAME = NODE12C02) 24 (UR=A) 25 ) 26 ) 27 ORCL = 28 (DESCRIPTION = 29 (ADDRESS_LIST = 30 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.32)(PORT = 1521)) 31 ) 32 (CONNECT_DATA = 33 (SERVICE_NAME = NODE12C02) 34 (UR=A) 35 ) 36 ) 37 node12c03 = 38 (DESCRIPTION = 39 (ADDRESS_LIST = 40 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.33)(PORT = 1521)) 41 ) 42 (CONNECT_DATA = 43 (SERVICE_NAME = NODE12C03) 44 (UR=A) 45 ) 46 ) 47 node12c04 = 48 (DESCRIPTION = 49 (ADDRESS_LIST = 50 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.34)(PORT = 1521)) 51 ) 52 (CONNECT_DATA = 53 (SERVICE_NAME = NODE12C04) 54 (UR=A) 55 ) 56 )
FS节点一监听:
1 [oracle@node12c03 admin]$ cat listener.ora 2 # listener.ora Network Configuration File: /orcl/app/oracle/product/12.1.0/db_1/network/admin/listener.ora 3 # Generated by Oracle configuration tools. 4 5 SID_LIST_LISTENER = 6 (SID_LIST = 7 (SID_DESC = 8 (SID_NAME = PLSExtProc) 9 (ORACLE_HOME = /orcl/app/oracle/product/12.1.0/db_1/) 10 (PROGRAM = extproc) 11 ) 12 (SID_DESC = 13 (GLOBAL_DBNAME = NODE12C03) 14 (ORACLE_HOME = /orcl/app/oracle/product/12.1.0/db_1) 15 (SID_NAME = orcl) 16 ) 17 ) 18 LISTENER = 19 (DESCRIPTION_LIST = 20 (DESCRIPTION = 21 (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1)) 22 ) 23 (DESCRIPTION = 24 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.33)(PORT = 1521)) 25 ) 26 ) 27 28 ADR_BASE_LISTENER = /orcl/app/oracle
1 [oracle@node12c03 admin]$ cat tnsnames.ora 2 # tnsnames.ora Network Configuration File: /orcl/app/oracle/product/12.1.0/db_1/network/admin/tnsnames.ora 3 # Generated by Oracle configuration tools. 4 5 LISTENER_ORCL = 6 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.33)(PORT = 1521)) 7 ORCL = 8 (DESCRIPTION = 9 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.31)(PORT = 1521)) 10 (CONNECT_DATA = 11 (SERVER = DEDICATED) 12 (SERVICE_NAME = NODE12C01) 13 (UR=A) 14 ) 15 ) 16 node12c01 = 17 (DESCRIPTION = 18 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.31)(PORT = 1521)) 19 (CONNECT_DATA = 20 (SERVER = DEDICATED) 21 (SERVICE_NAME = NODE12C01) 22 (UR=A) 23 ) 24 ) 25 node12c02 = 26 (DESCRIPTION = 27 (ADDRESS_LIST = 28 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.32)(PORT = 1521)) 29 ) 30 (CONNECT_DATA = 31 (SERVICE_NAME = NODE12C02) 32 (UR=A) 33 ) 34 ) 35 node12c03 = 36 (DESCRIPTION = 37 (ADDRESS_LIST = 38 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.33)(PORT = 1521)) 39 ) 40 (CONNECT_DATA = 41 (SERVICE_NAME = NODE12C03) 42 (UR=A) 43 ) 44 ) 45 node12c04 = 46 (DESCRIPTION = 47 (ADDRESS_LIST = 48 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.34)(PORT = 1521)) 49 ) 50 (CONNECT_DATA = 51 (SERVICE_NAME = NODE12C04) 52 (UR=A) 53 ) 54 )
FS节点二监听:
1 [oracle@node12c04 admin]$ cat listener.ora 2 # listener.ora Network Configuration File: /orcl/app/oracle/product/12.1.0/db_1/network/admin/listener.ora 3 # Generated by Oracle configuration tools. 4 5 SID_LIST_LISTENER = 6 (SID_LIST = 7 (SID_DESC = 8 (SID_NAME = PLSExtProc) 9 (ORACLE_HOME = /orcl/app/oracle/product/12.1.0/db_1/) 10 (PROGRAM = extproc) 11 ) 12 (SID_DESC = 13 (GLOBAL_DBNAME = NODE12C04) 14 (ORACLE_HOME = /orcl/app/oracle/product/12.1.0/db_1) 15 (SID_NAME = orcl) 16 ) 17 ) 18 LISTENER = 19 (DESCRIPTION_LIST = 20 (DESCRIPTION = 21 (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1)) 22 ) 23 (DESCRIPTION = 24 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.34)(PORT = 1521)) 25 ) 26 ) 27 28 ADR_BASE_LISTENER = /orcl/app/oracle
1 [oracle@node12c04 admin]$ cat tnsnames.ora 2 # tnsnames.ora Network Configuration File: /orcl/app/oracle/product/12.1.0/db_1/network/admin/tnsnames.ora 3 # Generated by Oracle configuration tools. 4 5 LISTENER_ORCL = 6 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.31)(PORT = 1521)) 7 8 node12c01 = 9 (DESCRIPTION = 10 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.31)(PORT = 1521)) 11 (CONNECT_DATA = 12 (SERVER = DEDICATED) 13 (SERVICE_NAME = NODE12C01) 14 (UR=A) 15 ) 16 ) 17 node12c02 = 18 (DESCRIPTION = 19 (ADDRESS_LIST = 20 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.32)(PORT = 1521)) 21 ) 22 (CONNECT_DATA = 23 (SERVICE_NAME = NODE12C02) 24 (UR=A) 25 ) 26 ) 27 ORCL = 28 (DESCRIPTION = 29 (ADDRESS_LIST = 30 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.32)(PORT = 1521)) 31 ) 32 (CONNECT_DATA = 33 (SERVICE_NAME = NODE12C02) 34 (UR=A) 35 ) 36 ) 37 node12c03 = 38 (DESCRIPTION = 39 (ADDRESS_LIST = 40 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.33)(PORT = 1521)) 41 ) 42 (CONNECT_DATA = 43 (SERVICE_NAME = NODE12C03) 44 (UR=A) 45 ) 46 ) 47 node12c04 = 48 (DESCRIPTION = 49 (ADDRESS_LIST = 50 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.34)(PORT = 1521)) 51 ) 52 (CONNECT_DATA = 53 (SERVICE_NAME = NODE12C04) 54 (UR=A) 55 ) 56 )
每个节点配置好后tnsping 能互通
02,环境框架部署
001,必须搭建好12C的DG为基础,详情请看>>>
FAR SYNC的两台服务器的话直接克隆的备库主机,克隆后删除数据文件即可,
重新搭建的话只需要ORACLE软件,不需要建立数据库
002,(主)创建文件
SQL > alter database create far sync instance controlfile as '/orcl/app/fs01.ctl'; --创建控制文件 SQL > create pfile='/orcl/app/initorcl.ora' from spfile; --创建pfile文件
SQL >exit
[oracle@node12c01 admin]$ ll /orcl/app/
total 18388
-rw-r----- 1 oracle oinstall 18825216 Apr 8 03:15 fs01.ctl
-rw-r--r-- 1 oracle oinstall 1888 Apr 8 03:16 initorcl.ora
drwxrwxr-x 11 oracle oinstall 173 Apr 2 05:28 oracle
drwxrwx--- 5 oracle oinstall 89 Apr 2 02:54 oraInventory
003,(主)传输文件
scp /orcl/app/fs01.ctl 192.168.0.33:/orcl/app/oracle/product/12.1.0/db_1/dbs/ scp /orcl/app/initorcl.ora 192.168.0.33:/orcl/app/oracle/product/12.1.0/db_1/dbs/ scp /orcl/app/oracle/product/12.1.0/db_1/dbs/orapworcl 192.168.0.33:/orcl/app/oracle/product/12.1.0/db_1/dbs/ --拷贝密码文件 scp /orcl/app/fs01.ctl 192.168.0.34:/orcl/app/oracle/product/12.1.0/db_1/dbs/ scp /orcl/app/initorcl.ora192.168.0.34:/orcl/app/oracle/product/12.1.0/db_1/dbs/ scp /orcl/app/oracle/product/12.1.0/db_1/dbs/orapworcl 192.168.0.34:/orcl/app/oracle/product/12.1.0/db_1/dbs/ --拷贝密码文件
004,FAR SRNC节点一
配置listener.ora和tnsnames.ora
配置内容见上文表格内容配置
同配置可直接拷贝,不同的话,更改对应名字IP即可
004,FAR SRNC节点二
配置listener.ora和tnsnames.ora
配置内容见上文表格内容配置
同配置可直接拷贝,不同的话,更改对应名字IP即
03,主库部署
配置参数项:
成功后的配置项
1 SQL> show parameter 2 3 NAME TYPE VALUE 4 ------------------------------------ ----------- ------------------------------ 5 DBFIPS_140 boolean FALSE 6 O7_DICTIONARY_ACCESSIBILITY boolean FALSE 7 active_instance_count integer 8 allow_global_dblinks boolean FALSE 9 allow_group_access_to_sga boolean FALSE 10 approx_for_aggregation boolean FALSE 11 approx_for_count_distinct boolean FALSE 12 approx_for_percentile string none 13 aq_tm_processes integer 1 14 archive_lag_target integer 0 15 asm_diskgroups string 16 17 NAME TYPE VALUE 18 ------------------------------------ ----------- ------------------------------ 19 asm_diskstring string 20 asm_io_processes integer 20 21 asm_power_limit integer 1 22 asm_preferred_read_failure_groups string 23 audit_file_dest string /orcl/app/oracle/admin/orcl/ad 24 ump 25 audit_sys_operations boolean TRUE 26 audit_syslog_level string 27 audit_trail string DB 28 autotask_max_active_pdbs integer 2 29 awr_pdb_autoflush_enabled boolean FALSE 30 31 NAME TYPE VALUE 32 ------------------------------------ ----------- ------------------------------ 33 awr_snapshot_time_offset integer 0 34 background_core_dump string partial 35 background_dump_dest string /orcl/app/oracle/product/12.1. 36 0/db_1/rdbms/log 37 backup_tape_io_slaves boolean FALSE 38 bitmap_merge_area_size integer 1048576 39 blank_trimming boolean FALSE 40 buffer_pool_keep string 41 buffer_pool_recycle string 42 cdb_cluster boolean FALSE 43 cdb_cluster_name string NODE12C01 44 45 NAME TYPE VALUE 46 ------------------------------------ ----------- ------------------------------ 47 cell_offload_compaction string ADAPTIVE 48 cell_offload_decryption boolean TRUE 49 cell_offload_parameters string 50 cell_offload_plan_display string AUTO 51 cell_offload_processing boolean TRUE 52 cell_offloadgroup_name string 53 circuits integer 54 client_result_cache_lag big integer 3000 55 client_result_cache_size big integer 0 56 clonedb boolean FALSE 57 clonedb_dir string 58 59 NAME TYPE VALUE 60 ------------------------------------ ----------- ------------------------------ 61 cluster_database boolean FALSE 62 cluster_database_instances integer 1 63 cluster_interconnects string 64 commit_logging string 65 commit_point_strength integer 1 66 commit_wait string 67 commit_write string 68 common_user_prefix string C## 69 compatible string 12.2.0 70 connection_brokers string ((TYPE=DEDICATED)(BROKERS=1)), 71 ((TYPE=EMON)(BROKERS=1)) 72 73 NAME TYPE VALUE 74 ------------------------------------ ----------- ------------------------------ 75 containers_parallel_degree integer 65535 76 control_file_record_keep_time integer 7 77 control_files string /orcl/app/oracle/oradata/orcl/ 78 control01.ctl, /orcl/app/oracl 79 e/fast_recovery_area/orcl/cont 80 rol02.ctl 81 control_management_pack_access string DIAGNOSTIC+TUNING 82 core_dump_dest string /orcl/app/oracle/diag/rdbms/no 83 de12c01/orcl/cdump 84 cpu_count integer 2 85 create_bitmap_area_size integer 8388608 86 87 NAME TYPE VALUE 88 ------------------------------------ ----------- ------------------------------ 89 create_stored_outlines string 90 cursor_bind_capture_destination string memory+disk 91 cursor_invalidation string IMMEDIATE 92 cursor_sharing string EXACT 93 cursor_space_for_time boolean FALSE 94 data_guard_sync_latency integer 0 95 data_transfer_cache_size big integer 0 96 db_16k_cache_size big integer 0 97 db_2k_cache_size big integer 0 98 db_32k_cache_size big integer 0 99 db_4k_cache_size big integer 0 100 101 NAME TYPE VALUE 102 ------------------------------------ ----------- ------------------------------ 103 db_8k_cache_size big integer 0 104 db_big_table_cache_percent_target string 0 105 db_block_buffers integer 0 106 db_block_checking string FALSE 107 db_block_checksum string TYPICAL 108 db_block_size integer 8192 109 db_cache_advice string ON 110 db_cache_size big integer 0 111 db_create_file_dest string 112 db_create_online_log_dest_1 string 113 db_create_online_log_dest_2 string 114 115 NAME TYPE VALUE 116 ------------------------------------ ----------- ------------------------------ 117 db_create_online_log_dest_3 string 118 db_create_online_log_dest_4 string 119 db_create_online_log_dest_5 string 120 db_domain string 121 db_file_multiblock_read_count integer 128 122 db_file_name_convert string 123 db_files integer 200 124 db_flash_cache_file string 125 db_flash_cache_size big integer 0 126 db_flashback_retention_target integer 1440 127 db_index_compression_inheritance string NONE 128 129 NAME TYPE VALUE 130 ------------------------------------ ----------- ------------------------------ 131 db_keep_cache_size big integer 0 132 db_lost_write_protect string NONE 133 db_name string orcl 134 db_performance_profile string 135 db_recovery_file_dest string /orcl/app/oracle/fast_recovery 136 _area/orcl 137 db_recovery_file_dest_size big integer 1G 138 db_recycle_cache_size big integer 0 139 db_securefile string PREFERRED 140 db_ultra_safe string OFF 141 db_unique_name string NODE12C01 142 143 NAME TYPE VALUE 144 ------------------------------------ ----------- ------------------------------ 145 db_unrecoverable_scn_tracking boolean TRUE 146 db_writer_processes integer 1 147 dbwr_io_slaves integer 0 148 ddl_lock_timeout integer 0 149 default_sharing string metadata 150 deferred_segment_creation boolean TRUE 151 dg_broker_config_file1 string /orcl/app/oracle/product/12.1. 152 0/db_1/dbs/dr1NODE12C01.dat 153 dg_broker_config_file2 string /orcl/app/oracle/product/12.1. 154 0/db_1/dbs/dr2NODE12C01.dat 155 dg_broker_start boolean TRUE 156 157 NAME TYPE VALUE 158 ------------------------------------ ----------- ------------------------------ 159 diagnostic_dest string /orcl/app/oracle 160 disable_pdb_feature big integer 0 161 disk_asynch_io boolean TRUE 162 dispatchers string (PROTOCOL=TCP) (SERVICE=orclXD 163 B) 164 distributed_lock_timeout integer 60 165 dml_locks integer 2076 166 dnfs_batch_size integer 4096 167 dst_upgrade_insert_conv boolean TRUE 168 enable_automatic_maintenance_pdb boolean TRUE 169 enable_ddl_logging boolean FALSE 170 171 NAME TYPE VALUE 172 ------------------------------------ ----------- ------------------------------ 173 enable_dnfs_dispatcher boolean FALSE 174 enable_goldengate_replication boolean FALSE 175 enable_pluggable_database boolean TRUE 176 enabled_PDBs_on_standby string * 177 encrypt_new_tablespaces string CLOUD_ONLY 178 event string 179 exafusion_enabled integer 1 180 external_keystore_credential_locatio string 181 n 182 fal_client string 183 fal_server string node12c02,node12c03,node12c04 184 185 NAME TYPE VALUE 186 ------------------------------------ ----------- ------------------------------ 187 fast_start_io_target integer 0 188 fast_start_mttr_target integer 0 189 fast_start_parallel_rollback string LOW 190 file_mapping boolean FALSE 191 fileio_network_adapters string 192 filesystemio_options string none 193 fixed_date string 194 gcs_server_processes integer 0 195 global_names boolean FALSE 196 global_txn_processes integer 1 197 hash_area_size integer 131072 198 199 NAME TYPE VALUE 200 ------------------------------------ ----------- ------------------------------ 201 heat_map string OFF 202 hi_shared_memory_address integer 0 203 hs_autoregister boolean TRUE 204 ifile file 205 inmemory_adg_enabled boolean TRUE 206 inmemory_clause_default string 207 inmemory_expressions_usage string ENABLE 208 inmemory_force string DEFAULT 209 inmemory_max_populate_servers integer 0 210 inmemory_query string ENABLE 211 inmemory_size big integer 0 212 213 NAME TYPE VALUE 214 ------------------------------------ ----------- ------------------------------ 215 inmemory_trickle_repopulate_servers_ integer 1 216 percent 217 inmemory_virtual_columns string MANUAL 218 instance_abort_delay_time integer 0 219 instance_groups string 220 instance_mode string READ-WRITE 221 instance_name string orcl 222 instance_number integer 0 223 instance_type string RDBMS 224 instant_restore boolean FALSE 225 java_jit_enabled boolean TRUE 226 227 NAME TYPE VALUE 228 ------------------------------------ ----------- ------------------------------ 229 java_max_sessionspace_size integer 0 230 java_pool_size big integer 0 231 java_restrict string none 232 java_soft_sessionspace_limit integer 0 233 job_queue_processes integer 10 234 large_pool_size big integer 0 235 ldap_directory_access string NONE 236 ldap_directory_sysauth string no 237 license_max_sessions integer 0 238 license_max_users integer 0 239 license_sessions_warning integer 0 240 241 NAME TYPE VALUE 242 ------------------------------------ ----------- ------------------------------ 243 listener_networks string 244 local_listener string LISTENER_ORCL 245 lock_name_space string 246 lock_sga boolean FALSE 247 log_archive_config string dg_config=(NODE12C01,NODE12C02 248 ,NODE12C03,NODE12C04) 249 log_archive_dest string 250 log_archive_dest_1 string location=/orcl/app/oracle/orad 251 ata/orcl/archivelog valid_for= 252 (online_logfile,primary_role) 253 db_unique_name=NODE12C01 254 255 NAME TYPE VALUE 256 ------------------------------------ ----------- ------------------------------ 257 log_archive_dest_10 string 258 log_archive_dest_11 string 259 log_archive_dest_12 string 260 log_archive_dest_13 string 261 log_archive_dest_14 string 262 log_archive_dest_15 string 263 log_archive_dest_16 string 264 log_archive_dest_17 string 265 log_archive_dest_18 string 266 log_archive_dest_19 string 267 log_archive_dest_2 string service=NODE12C03 sync affirm 268 269 NAME TYPE VALUE 270 ------------------------------------ ----------- ------------------------------ 271 max_failure=1 alternate=log_ar 272 chive_dest_3 valid_for=(online 273 _logfiles,primary_role) db_uni 274 que_name=node12c03 275 log_archive_dest_20 string 276 log_archive_dest_21 string 277 log_archive_dest_22 string 278 log_archive_dest_23 string 279 log_archive_dest_24 string 280 log_archive_dest_25 string 281 log_archive_dest_26 string 282 283 NAME TYPE VALUE 284 ------------------------------------ ----------- ------------------------------ 285 log_archive_dest_27 string 286 log_archive_dest_28 string 287 log_archive_dest_29 string 288 log_archive_dest_3 string service=NODE12C04 async altern 289 ate=log_archive_dest_2 valid_f 290 or=(online_logfiles,primary_ro 291 le) db_unique_name=NODE12C04 292 log_archive_dest_30 string 293 log_archive_dest_31 string 294 log_archive_dest_4 string 295 log_archive_dest_5 string 296 297 NAME TYPE VALUE 298 ------------------------------------ ----------- ------------------------------ 299 log_archive_dest_6 string 300 log_archive_dest_7 string 301 log_archive_dest_8 string 302 log_archive_dest_9 string 303 log_archive_dest_state_1 string ENABLE 304 log_archive_dest_state_10 string enable 305 log_archive_dest_state_11 string enable 306 log_archive_dest_state_12 string enable 307 log_archive_dest_state_13 string enable 308 log_archive_dest_state_14 string enable 309 log_archive_dest_state_15 string enable 310 311 NAME TYPE VALUE 312 ------------------------------------ ----------- ------------------------------ 313 log_archive_dest_state_16 string enable 314 log_archive_dest_state_17 string enable 315 log_archive_dest_state_18 string enable 316 log_archive_dest_state_19 string enable 317 log_archive_dest_state_2 string ENABLE 318 log_archive_dest_state_20 string enable 319 log_archive_dest_state_21 string enable 320 log_archive_dest_state_22 string enable 321 log_archive_dest_state_23 string enable 322 log_archive_dest_state_24 string enable 323 log_archive_dest_state_25 string enable 324 325 NAME TYPE VALUE 326 ------------------------------------ ----------- ------------------------------ 327 log_archive_dest_state_26 string enable 328 log_archive_dest_state_27 string enable 329 log_archive_dest_state_28 string enable 330 log_archive_dest_state_29 string enable 331 log_archive_dest_state_3 string ENABLE 332 log_archive_dest_state_30 string enable 333 log_archive_dest_state_31 string enable 334 log_archive_dest_state_4 string ENABLE 335 log_archive_dest_state_5 string enable 336 log_archive_dest_state_6 string enable 337 log_archive_dest_state_7 string enable 338 339 NAME TYPE VALUE 340 ------------------------------------ ----------- ------------------------------ 341 log_archive_dest_state_8 string enable 342 log_archive_dest_state_9 string enable 343 log_archive_duplex_dest string 344 log_archive_format string %t_%s_%r.dbf 345 log_archive_max_processes integer 4 346 log_archive_min_succeed_dest integer 1 347 log_archive_start boolean FALSE 348 log_archive_trace integer 0 349 log_buffer big integer 7456K 350 log_checkpoint_interval integer 0 351 log_checkpoint_timeout integer 1800 352 353 NAME TYPE VALUE 354 ------------------------------------ ----------- ------------------------------ 355 log_checkpoints_to_alert boolean FALSE 356 log_file_name_convert string 357 long_module_action boolean TRUE 358 max_datapump_jobs_per_pdb integer 100 359 max_dispatchers integer 360 max_dump_file_size string unlimited 361 max_idle_time integer 0 362 max_iops integer 0 363 max_mbps integer 0 364 max_pdbs integer 4098 365 max_shared_servers integer 366 367 NAME TYPE VALUE 368 ------------------------------------ ----------- ------------------------------ 369 max_string_size string STANDARD 370 memory_max_target big integer 0 371 memory_target big integer 0 372 nls_calendar string 373 nls_comp string BINARY 374 nls_currency string 375 nls_date_format string 376 nls_date_language string 377 nls_dual_currency string 378 nls_iso_currency string 379 nls_language string AMERICAN 380 381 NAME TYPE VALUE 382 ------------------------------------ ----------- ------------------------------ 383 nls_length_semantics string BYTE 384 nls_nchar_conv_excp string FALSE 385 nls_numeric_characters string 386 nls_sort string 387 nls_territory string AMERICA 388 nls_time_format string 389 nls_time_tz_format string 390 nls_timestamp_format string 391 nls_timestamp_tz_format string 392 noncdb_compatible boolean FALSE 393 object_cache_max_size_percent integer 10 394 395 NAME TYPE VALUE 396 ------------------------------------ ----------- ------------------------------ 397 object_cache_optimal_size integer 10240000 398 ofs_threads integer 4 399 olap_page_pool_size big integer 0 400 one_step_plugin_for_pdb_with_tde boolean FALSE 401 open_cursors integer 300 402 open_links integer 4 403 open_links_per_instance integer 4 404 optimizer_adaptive_plans boolean TRUE 405 optimizer_adaptive_reporting_only boolean FALSE 406 optimizer_adaptive_statistics boolean FALSE 407 optimizer_capture_sql_plan_baselines boolean FALSE 408 409 NAME TYPE VALUE 410 ------------------------------------ ----------- ------------------------------ 411 optimizer_dynamic_sampling integer 2 412 optimizer_features_enable string 12.2.0.1 413 optimizer_index_caching integer 0 414 optimizer_index_cost_adj integer 100 415 optimizer_inmemory_aware boolean TRUE 416 optimizer_mode string ALL_ROWS 417 optimizer_secure_view_merging boolean TRUE 418 optimizer_use_invisible_indexes boolean FALSE 419 optimizer_use_pending_statistics boolean FALSE 420 optimizer_use_sql_plan_baselines boolean TRUE 421 os_authent_prefix string ops$ 422 423 NAME TYPE VALUE 424 ------------------------------------ ----------- ------------------------------ 425 os_roles boolean FALSE 426 outbound_dblink_protocols string ALL 427 parallel_adaptive_multi_user boolean FALSE 428 parallel_degree_limit string CPU 429 parallel_degree_policy string MANUAL 430 parallel_execution_message_size integer 16384 431 parallel_force_local boolean FALSE 432 parallel_instance_group string 433 parallel_max_servers integer 80 434 parallel_min_percent integer 0 435 parallel_min_servers integer 8 436 437 NAME TYPE VALUE 438 ------------------------------------ ----------- ------------------------------ 439 parallel_min_time_threshold string AUTO 440 parallel_servers_target integer 32 441 parallel_threads_per_cpu integer 2 442 pdb_file_name_convert string 443 pdb_lockdown string 444 pdb_os_credential string 445 permit_92_wrap_format boolean TRUE 446 pga_aggregate_limit big integer 2G 447 pga_aggregate_target big integer 799M 448 plscope_settings string IDENTIFIERS:NONE 449 plsql_ccflags string 450 451 NAME TYPE VALUE 452 ------------------------------------ ----------- ------------------------------ 453 plsql_code_type string INTERPRETED 454 plsql_debug boolean FALSE 455 plsql_optimize_level integer 2 456 plsql_v2_compatibility boolean FALSE 457 plsql_warnings string DISABLE:ALL 458 pre_page_sga boolean TRUE 459 processes integer 300 460 processor_group_name string 461 query_rewrite_enabled string TRUE 462 query_rewrite_integrity string enforced 463 rdbms_server_dn string 464 465 NAME TYPE VALUE 466 ------------------------------------ ----------- ------------------------------ 467 read_only_open_delayed boolean FALSE 468 recovery_parallelism integer 0 469 recyclebin string on 470 redo_transport_user string 471 remote_dependencies_mode string TIMESTAMP 472 remote_listener string 473 remote_login_passwordfile string EXCLUSIVE 474 remote_os_authent boolean FALSE 475 remote_os_roles boolean FALSE 476 remote_recovery_file_dest string 477 replication_dependency_tracking boolean TRUE 478 479 NAME TYPE VALUE 480 ------------------------------------ ----------- ------------------------------ 481 resource_limit boolean TRUE 482 resource_manage_goldengate boolean FALSE 483 resource_manager_cpu_allocation integer 2 484 resource_manager_plan string 485 result_cache_max_result integer 5 486 result_cache_max_size big integer 12M 487 result_cache_mode string MANUAL 488 result_cache_remote_expiration integer 0 489 resumable_timeout integer 0 490 rollback_segments string 491 sec_case_sensitive_logon boolean TRUE 492 493 NAME TYPE VALUE 494 ------------------------------------ ----------- ------------------------------ 495 sec_max_failed_login_attempts integer 3 496 sec_protocol_error_further_action string (DROP,3) 497 sec_protocol_error_trace_action string TRACE 498 sec_return_server_release_banner boolean FALSE 499 serial_reuse string disable 500 service_names string NODE12C01 501 session_cached_cursors integer 50 502 session_max_open_files integer 10 503 sessions integer 472 504 sga_max_size big integer 2400M 505 sga_min_size big integer 0 506 507 NAME TYPE VALUE 508 ------------------------------------ ----------- ------------------------------ 509 sga_target big integer 2400M 510 shadow_core_dump string partial 511 shared_memory_address integer 0 512 shared_pool_reserved_size big integer 24M 513 shared_pool_size big integer 0 514 shared_server_sessions integer 515 shared_servers integer 1 516 shrd_dupl_table_refresh_rate integer 60 517 skip_unusable_indexes boolean TRUE 518 smtp_out_server string 519 sort_area_retained_size integer 0 520 521 NAME TYPE VALUE 522 ------------------------------------ ----------- ------------------------------ 523 sort_area_size integer 65536 524 spatial_vector_acceleration boolean FALSE 525 spfile string /orcl/app/oracle/product/12.1. 526 0/db_1/dbs/spfileorcl.ora 527 sql92_security boolean TRUE 528 sql_trace boolean FALSE 529 sqltune_category string DEFAULT 530 standby_archive_dest string ?#/dbs/arch 531 standby_db_preserve_states string NONE 532 standby_file_management string MANUAL 533 star_transformation_enabled string FALSE 534 535 NAME TYPE VALUE 536 ------------------------------------ ----------- ------------------------------ 537 statistics_level string TYPICAL 538 streams_pool_size big integer 0 539 tape_asynch_io boolean TRUE 540 target_pdbs integer 4 541 temp_undo_enabled boolean FALSE 542 thread integer 0 543 threaded_execution boolean FALSE 544 timed_os_statistics integer 0 545 timed_statistics boolean TRUE 546 trace_enabled boolean TRUE 547 tracefile_identifier string 548 549 NAME TYPE VALUE 550 ------------------------------------ ----------- ------------------------------ 551 transactions integer 519 552 transactions_per_rollback_segment integer 5 553 undo_management string AUTO 554 undo_retention integer 900 555 undo_tablespace string UNDOTBS1 556 unified_audit_sga_queue_size integer 1048576 557 uniform_log_timestamp_format boolean TRUE 558 use_dedicated_broker boolean FALSE 559 use_large_pages string TRUE 560 user_dump_dest string /orcl/app/oracle/product/12.1. 561 0/db_1/rdbms/log 562 563 NAME TYPE VALUE 564 ------------------------------------ ----------- ------------------------------ 565 utl_file_dir string 566 workarea_size_policy string AUTO 567 xml_db_events string enable
001,DB_UNIQUE_NAME配置
alter system set db_unique_name='NODE12C01';
002,FAL_SERVER配置
alter system set fal_server='node12c02,node12c03,node12c04';fal_server的值写的是tnsname中的服务名，这里主库上设置的fs的服务名是小写的就小写
003,LOG_ARCHIVE_CONFIG配置
dg_config是写db_unique_name的值。 alter system set log_archive_config='dg_config=(node12c01,node12c02,node12c03,node12c04)';
004,log_archive_dest 配置
dest_1还是指向本地归档路径 alter system set log_archive_dest_1='location=/orcl/app/oracle/oradata/orcl/archivelog valid_for=(online_logfile,primary_role) db_unique_name=node12c01'; dest_2原来是指向备库的，现在指向fs机器，使用sync alter system set log_archive_dest_2='service=node12c03 sync affirm max_failure=1 alternate=log_archive_dest_3 valid_for=(online_logfiles,primary_role) db_unique_name=node12c03'; dest_3这个就设置成指向FS2服务器的，使用async alter system set log_archive_dest_3='service=node12c04 async alternate=log_archive_dest_2 valid_for=(online_logfiles,primary_role) db_unique_name=node12c04'; 本步骤的意思就是先归档到自己本地，然后传输归档给fs，dest3是备用的，当dest2正常使用的时候，dest3不启用 当dest2挂了，dest3才会自动启用，dest2好了，dest3会自动关闭。主到fs是sync，fs到备库是使用async同步模式来传输归档给备库。
005, log_archive_dest_state配置
alter system set log_archive_dest_state_3='alternate' scope=spfile; 这里要把dest3，改成备用的模式。
04,备库配置
所有配置:
1 SQL> show parameter 2 3 NAME TYPE VALUE 4 ------------------------------------ ----------- ------------------------------ 5 DBFIPS_140 boolean FALSE 6 O7_DICTIONARY_ACCESSIBILITY boolean FALSE 7 active_instance_count integer 8 allow_global_dblinks boolean FALSE 9 allow_group_access_to_sga boolean FALSE 10 approx_for_aggregation boolean FALSE 11 approx_for_count_distinct boolean FALSE 12 approx_for_percentile string none 13 aq_tm_processes integer 1 14 archive_lag_target integer 0 15 asm_diskgroups string 16 17 NAME TYPE VALUE 18 ------------------------------------ ----------- ------------------------------ 19 asm_diskstring string 20 asm_io_processes integer 20 21 asm_power_limit integer 1 22 asm_preferred_read_failure_groups string 23 audit_file_dest string /orcl/app/oracle/admin/orcl/ad 24 ump 25 audit_sys_operations boolean TRUE 26 audit_syslog_level string 27 audit_trail string OS 28 autotask_max_active_pdbs integer 2 29 awr_pdb_autoflush_enabled boolean FALSE 30 31 NAME TYPE VALUE 32 ------------------------------------ ----------- ------------------------------ 33 awr_snapshot_time_offset integer 0 34 background_core_dump string partial 35 background_dump_dest string /orcl/app/oracle/product/12.1. 36 0/db_1/rdbms/log 37 backup_tape_io_slaves boolean FALSE 38 bitmap_merge_area_size integer 1048576 39 blank_trimming boolean FALSE 40 buffer_pool_keep string 41 buffer_pool_recycle string 42 cdb_cluster boolean FALSE 43 cdb_cluster_name string NODE12C02 44 45 NAME TYPE VALUE 46 ------------------------------------ ----------- ------------------------------ 47 cell_offload_compaction string ADAPTIVE 48 cell_offload_decryption boolean TRUE 49 cell_offload_parameters string 50 cell_offload_plan_display string AUTO 51 cell_offload_processing boolean TRUE 52 cell_offloadgroup_name string 53 circuits integer 54 client_result_cache_lag big integer 3000 55 client_result_cache_size big integer 0 56 clonedb boolean FALSE 57 clonedb_dir string 58 59 NAME TYPE VALUE 60 ------------------------------------ ----------- ------------------------------ 61 cluster_database boolean FALSE 62 cluster_database_instances integer 1 63 cluster_interconnects string 64 commit_logging string 65 commit_point_strength integer 1 66 commit_wait string 67 commit_write string 68 common_user_prefix string C## 69 compatible string 12.2.0 70 connection_brokers string ((TYPE=DEDICATED)(BROKERS=1)), 71 ((TYPE=EMON)(BROKERS=1)) 72 73 NAME TYPE VALUE 74 ------------------------------------ ----------- ------------------------------ 75 containers_parallel_degree integer 65535 76 control_file_record_keep_time integer 7 77 control_files string /orcl/app/oracle/oradata/orcl/ 78 control01.ctl, /orcl/app/oracl 79 e/fast_recovery_area/orcl/cont 80 rol02.ctl 81 control_management_pack_access string DIAGNOSTIC+TUNING 82 core_dump_dest string /orcl/app/oracle/diag/rdbms/no 83 de12c02/orcl/cdump 84 cpu_count integer 2 85 create_bitmap_area_size integer 8388608 86 87 NAME TYPE VALUE 88 ------------------------------------ ----------- ------------------------------ 89 create_stored_outlines string 90 cursor_bind_capture_destination string memory+disk 91 cursor_invalidation string IMMEDIATE 92 cursor_sharing string EXACT 93 cursor_space_for_time boolean FALSE 94 data_guard_sync_latency integer 0 95 data_transfer_cache_size big integer 0 96 db_16k_cache_size big integer 0 97 db_2k_cache_size big integer 0 98 db_32k_cache_size big integer 0 99 db_4k_cache_size big integer 0 100 101 NAME TYPE VALUE 102 ------------------------------------ ----------- ------------------------------ 103 db_8k_cache_size big integer 0 104 db_big_table_cache_percent_target string 0 105 db_block_buffers integer 0 106 db_block_checking string FALSE 107 db_block_checksum string TYPICAL 108 db_block_size integer 8192 109 db_cache_advice string ON 110 db_cache_size big integer 0 111 db_create_file_dest string 112 db_create_online_log_dest_1 string 113 db_create_online_log_dest_2 string 114 115 NAME TYPE VALUE 116 ------------------------------------ ----------- ------------------------------ 117 db_create_online_log_dest_3 string 118 db_create_online_log_dest_4 string 119 db_create_online_log_dest_5 string 120 db_domain string 121 db_file_multiblock_read_count integer 128 122 db_file_name_convert string 123 db_files integer 200 124 db_flash_cache_file string 125 db_flash_cache_size big integer 0 126 db_flashback_retention_target integer 1440 127 db_index_compression_inheritance string NONE 128 129 NAME TYPE VALUE 130 ------------------------------------ ----------- ------------------------------ 131 db_keep_cache_size big integer 0 132 db_lost_write_protect string NONE 133 db_name string orcl 134 db_performance_profile string 135 db_recovery_file_dest string /orcl/app/oracle/fast_recovery 136 _area/orcl 137 db_recovery_file_dest_size big integer 1G 138 db_recycle_cache_size big integer 0 139 db_securefile string PREFERRED 140 db_ultra_safe string OFF 141 db_unique_name string NODE12C02 142 143 NAME TYPE VALUE 144 ------------------------------------ ----------- ------------------------------ 145 db_unrecoverable_scn_tracking boolean TRUE 146 db_writer_processes integer 1 147 dbwr_io_slaves integer 0 148 ddl_lock_timeout integer 0 149 default_sharing string metadata 150 deferred_segment_creation boolean TRUE 151 dg_broker_config_file1 string /orcl/app/oracle/product/12.1. 152 0/db_1/dbs/dr1NODE12C02.dat 153 dg_broker_config_file2 string /orcl/app/oracle/product/12.1. 154 0/db_1/dbs/dr2NODE12C02.dat 155 dg_broker_start boolean TRUE 156 157 NAME TYPE VALUE 158 ------------------------------------ ----------- ------------------------------ 159 diagnostic_dest string /orcl/app/oracle 160 disable_pdb_feature big integer 0 161 disk_asynch_io boolean TRUE 162 dispatchers string (PROTOCOL=TCP) (SERVICE=orclXD 163 B) 164 distributed_lock_timeout integer 60 165 dml_locks integer 2076 166 dnfs_batch_size integer 4096 167 dst_upgrade_insert_conv boolean TRUE 168 enable_automatic_maintenance_pdb boolean TRUE 169 enable_ddl_logging boolean FALSE 170 171 NAME TYPE VALUE 172 ------------------------------------ ----------- ------------------------------ 173 enable_dnfs_dispatcher boolean FALSE 174 enable_goldengate_replication boolean FALSE 175 enable_pluggable_database boolean TRUE 176 enabled_PDBs_on_standby string * 177 encrypt_new_tablespaces string CLOUD_ONLY 178 event string 179 exafusion_enabled integer 1 180 external_keystore_credential_locatio string 181 n 182 fal_client string 183 fal_server string node12c01,node12c03,node12c04 184 185 NAME TYPE VALUE 186 ------------------------------------ ----------- ------------------------------ 187 fast_start_io_target integer 0 188 fast_start_mttr_target integer 0 189 fast_start_parallel_rollback string LOW 190 file_mapping boolean FALSE 191 fileio_network_adapters string 192 filesystemio_options string none 193 fixed_date string 194 gcs_server_processes integer 0 195 global_names boolean FALSE 196 global_txn_processes integer 1 197 hash_area_size integer 131072 198 199 NAME TYPE VALUE 200 ------------------------------------ ----------- ------------------------------ 201 heat_map string OFF 202 hi_shared_memory_address integer 0 203 hs_autoregister boolean TRUE 204 ifile file 205 inmemory_adg_enabled boolean TRUE 206 inmemory_clause_default string 207 inmemory_expressions_usage string ENABLE 208 inmemory_force string DEFAULT 209 inmemory_max_populate_servers integer 0 210 inmemory_query string ENABLE 211 inmemory_size big integer 0 212 213 NAME TYPE VALUE 214 ------------------------------------ ----------- ------------------------------ 215 inmemory_trickle_repopulate_servers_ integer 1 216 percent 217 inmemory_virtual_columns string MANUAL 218 instance_abort_delay_time integer 0 219 instance_groups string 220 instance_mode string READ-WRITE 221 instance_name string orcl 222 instance_number integer 0 223 instance_type string RDBMS 224 instant_restore boolean FALSE 225 java_jit_enabled boolean TRUE 226 227 NAME TYPE VALUE 228 ------------------------------------ ----------- ------------------------------ 229 java_max_sessionspace_size integer 0 230 java_pool_size big integer 0 231 java_restrict string none 232 java_soft_sessionspace_limit integer 0 233 job_queue_processes integer 10 234 large_pool_size big integer 0 235 ldap_directory_access string NONE 236 ldap_directory_sysauth string no 237 license_max_sessions integer 0 238 license_max_users integer 0 239 license_sessions_warning integer 0 240 241 NAME TYPE VALUE 242 ------------------------------------ ----------- ------------------------------ 243 listener_networks string 244 local_listener string LISTENER_ORCL 245 lock_name_space string 246 lock_sga boolean FALSE 247 log_archive_config string dg_config=(node12c01,node12c03 248 ,node12c04,node12c02) 249 log_archive_dest string 250 log_archive_dest_1 string location=/orcl/app/oracle/orad 251 ata/orcl/archivelog VALID_FOR= 252 (ALL_LOGFILES,ALL_ROLES) DB_UN 253 IQUE_NAME=NODE12C02 254 255 NAME TYPE VALUE 256 ------------------------------------ ----------- ------------------------------ 257 log_archive_dest_10 string 258 log_archive_dest_11 string 259 log_archive_dest_12 string 260 log_archive_dest_13 string 261 log_archive_dest_14 string 262 log_archive_dest_15 string 263 log_archive_dest_16 string 264 log_archive_dest_17 string 265 log_archive_dest_18 string 266 log_archive_dest_19 string 267 log_archive_dest_2 string service=node12c01 ASYNC valid_ 268 269 NAME TYPE VALUE 270 ------------------------------------ ----------- ------------------------------ 271 for=(online_logfiles,primary_r 272 ole) db_unique_name=node12c01 273 log_archive_dest_20 string 274 log_archive_dest_21 string 275 log_archive_dest_22 string 276 log_archive_dest_23 string 277 log_archive_dest_24 string 278 log_archive_dest_25 string 279 log_archive_dest_26 string 280 log_archive_dest_27 string 281 log_archive_dest_28 string 282 283 NAME TYPE VALUE 284 ------------------------------------ ----------- ------------------------------ 285 log_archive_dest_29 string 286 log_archive_dest_3 string 287 log_archive_dest_30 string 288 log_archive_dest_31 string 289 log_archive_dest_4 string 290 log_archive_dest_5 string 291 log_archive_dest_6 string 292 log_archive_dest_7 string 293 log_archive_dest_8 string 294 log_archive_dest_9 string 295 log_archive_dest_state_1 string enable 296 297 NAME TYPE VALUE 298 ------------------------------------ ----------- ------------------------------ 299 log_archive_dest_state_10 string enable 300 log_archive_dest_state_11 string enable 301 log_archive_dest_state_12 string enable 302 log_archive_dest_state_13 string enable 303 log_archive_dest_state_14 string enable 304 log_archive_dest_state_15 string enable 305 log_archive_dest_state_16 string enable 306 log_archive_dest_state_17 string enable 307 log_archive_dest_state_18 string enable 308 log_archive_dest_state_19 string enable 309 log_archive_dest_state_2 string ENABLE 310 311 NAME TYPE VALUE 312 ------------------------------------ ----------- ------------------------------ 313 log_archive_dest_state_20 string enable 314 log_archive_dest_state_21 string enable 315 log_archive_dest_state_22 string enable 316 log_archive_dest_state_23 string enable 317 log_archive_dest_state_24 string enable 318 log_archive_dest_state_25 string enable 319 log_archive_dest_state_26 string enable 320 log_archive_dest_state_27 string enable 321 log_archive_dest_state_28 string enable 322 log_archive_dest_state_29 string enable 323 log_archive_dest_state_3 string enable 324 325 NAME TYPE VALUE 326 ------------------------------------ ----------- ------------------------------ 327 log_archive_dest_state_30 string enable 328 log_archive_dest_state_31 string enable 329 log_archive_dest_state_4 string enable 330 log_archive_dest_state_5 string enable 331 log_archive_dest_state_6 string enable 332 log_archive_dest_state_7 string enable 333 log_archive_dest_state_8 string enable 334 log_archive_dest_state_9 string enable 335 log_archive_duplex_dest string 336 log_archive_format string %t_%s_%r.dbf 337 log_archive_max_processes integer 4 338 339 NAME TYPE VALUE 340 ------------------------------------ ----------- ------------------------------ 341 log_archive_min_succeed_dest integer 1 342 log_archive_start boolean FALSE 343 log_archive_trace integer 0 344 log_buffer big integer 7456K 345 log_checkpoint_interval integer 0 346 log_checkpoint_timeout integer 1800 347 log_checkpoints_to_alert boolean FALSE 348 log_file_name_convert string 349 long_module_action boolean TRUE 350 max_datapump_jobs_per_pdb integer 100 351 max_dispatchers integer 352 353 NAME TYPE VALUE 354 ------------------------------------ ----------- ------------------------------ 355 max_dump_file_size string unlimited 356 max_idle_time integer 0 357 max_iops integer 0 358 max_mbps integer 0 359 max_pdbs integer 4098 360 max_shared_servers integer 361 max_string_size string STANDARD 362 memory_max_target big integer 0 363 memory_target big integer 0 364 nls_calendar string 365 nls_comp string BINARY 366 367 NAME TYPE VALUE 368 ------------------------------------ ----------- ------------------------------ 369 nls_currency string 370 nls_date_format string 371 nls_date_language string 372 nls_dual_currency string 373 nls_iso_currency string 374 nls_language string AMERICAN 375 nls_length_semantics string BYTE 376 nls_nchar_conv_excp string FALSE 377 nls_numeric_characters string 378 nls_sort string 379 nls_territory string AMERICA 380 381 NAME TYPE VALUE 382 ------------------------------------ ----------- ------------------------------ 383 nls_time_format string 384 nls_time_tz_format string 385 nls_timestamp_format string 386 nls_timestamp_tz_format string 387 noncdb_compatible boolean FALSE 388 object_cache_max_size_percent integer 10 389 object_cache_optimal_size integer 10240000 390 ofs_threads integer 4 391 olap_page_pool_size big integer 0 392 one_step_plugin_for_pdb_with_tde boolean FALSE 393 open_cursors integer 300 394 395 NAME TYPE VALUE 396 ------------------------------------ ----------- ------------------------------ 397 open_links integer 4 398 open_links_per_instance integer 4 399 optimizer_adaptive_plans boolean TRUE 400 optimizer_adaptive_reporting_only boolean FALSE 401 optimizer_adaptive_statistics boolean FALSE 402 optimizer_capture_sql_plan_baselines boolean FALSE 403 optimizer_dynamic_sampling integer 2 404 optimizer_features_enable string 12.2.0.1 405 optimizer_index_caching integer 0 406 optimizer_index_cost_adj integer 100 407 optimizer_inmemory_aware boolean TRUE 408 409 NAME TYPE VALUE 410 ------------------------------------ ----------- ------------------------------ 411 optimizer_mode string ALL_ROWS 412 optimizer_secure_view_merging boolean TRUE 413 optimizer_use_invisible_indexes boolean FALSE 414 optimizer_use_pending_statistics boolean FALSE 415 optimizer_use_sql_plan_baselines boolean TRUE 416 os_authent_prefix string ops$ 417 os_roles boolean FALSE 418 outbound_dblink_protocols string ALL 419 parallel_adaptive_multi_user boolean FALSE 420 parallel_degree_limit string CPU 421 parallel_degree_policy string MANUAL 422 423 NAME TYPE VALUE 424 ------------------------------------ ----------- ------------------------------ 425 parallel_execution_message_size integer 16384 426 parallel_force_local boolean FALSE 427 parallel_instance_group string 428 parallel_max_servers integer 80 429 parallel_min_percent integer 0 430 parallel_min_servers integer 8 431 parallel_min_time_threshold string AUTO 432 parallel_servers_target integer 32 433 parallel_threads_per_cpu integer 2 434 pdb_file_name_convert string 435 pdb_lockdown string 436 437 NAME TYPE VALUE 438 ------------------------------------ ----------- ------------------------------ 439 pdb_os_credential string 440 permit_92_wrap_format boolean TRUE 441 pga_aggregate_limit big integer 2G 442 pga_aggregate_target big integer 799M 443 plscope_settings string IDENTIFIERS:NONE 444 plsql_ccflags string 445 plsql_code_type string INTERPRETED 446 plsql_debug boolean FALSE 447 plsql_optimize_level integer 2 448 plsql_v2_compatibility boolean FALSE 449 plsql_warnings string DISABLE:ALL 450 451 NAME TYPE VALUE 452 ------------------------------------ ----------- ------------------------------ 453 pre_page_sga boolean TRUE 454 processes integer 300 455 processor_group_name string 456 query_rewrite_enabled string TRUE 457 query_rewrite_integrity string enforced 458 rdbms_server_dn string 459 read_only_open_delayed boolean FALSE 460 recovery_parallelism integer 0 461 recyclebin string on 462 redo_transport_user string 463 remote_dependencies_mode string TIMESTAMP 464 465 NAME TYPE VALUE 466 ------------------------------------ ----------- ------------------------------ 467 remote_listener string 468 remote_login_passwordfile string EXCLUSIVE 469 remote_os_authent boolean FALSE 470 remote_os_roles boolean FALSE 471 remote_recovery_file_dest string 472 replication_dependency_tracking boolean TRUE 473 resource_limit boolean TRUE 474 resource_manage_goldengate boolean FALSE 475 resource_manager_cpu_allocation integer 2 476 resource_manager_plan string 477 result_cache_max_result integer 5 478 479 NAME TYPE VALUE 480 ------------------------------------ ----------- ------------------------------ 481 result_cache_max_size big integer 12M 482 result_cache_mode string MANUAL 483 result_cache_remote_expiration integer 0 484 resumable_timeout integer 0 485 rollback_segments string 486 sec_case_sensitive_logon boolean TRUE 487 sec_max_failed_login_attempts integer 3 488 sec_protocol_error_further_action string (DROP,3) 489 sec_protocol_error_trace_action string TRACE 490 sec_return_server_release_banner boolean FALSE 491 serial_reuse string disable 492 493 NAME TYPE VALUE 494 ------------------------------------ ----------- ------------------------------ 495 service_names string NODE12C02 496 session_cached_cursors integer 50 497 session_max_open_files integer 10 498 sessions integer 472 499 sga_max_size big integer 2400M 500 sga_min_size big integer 0 501 sga_target big integer 2400M 502 shadow_core_dump string partial 503 shared_memory_address integer 0 504 shared_pool_reserved_size big integer 24M 505 shared_pool_size big integer 0 506 507 NAME TYPE VALUE 508 ------------------------------------ ----------- ------------------------------ 509 shared_server_sessions integer 510 shared_servers integer 1 511 shrd_dupl_table_refresh_rate integer 60 512 skip_unusable_indexes boolean TRUE 513 smtp_out_server string 514 sort_area_retained_size integer 0 515 sort_area_size integer 65536 516 spatial_vector_acceleration boolean FALSE 517 spfile string /orcl/app/oracle/product/12.1. 518 0/db_1/dbs/spfileorcl.ora 519 sql92_security boolean TRUE 520 521 NAME TYPE VALUE 522 ------------------------------------ ----------- ------------------------------ 523 sql_trace boolean FALSE 524 sqltune_category string DEFAULT 525 standby_archive_dest string ?#/dbs/arch 526 standby_db_preserve_states string NONE 527 standby_file_management string MANUAL 528 star_transformation_enabled string FALSE 529 statistics_level string TYPICAL 530 streams_pool_size big integer 0 531 tape_asynch_io boolean TRUE 532 target_pdbs integer 4 533 temp_undo_enabled boolean FALSE 534 535 NAME TYPE VALUE 536 ------------------------------------ ----------- ------------------------------ 537 thread integer 0 538 threaded_execution boolean FALSE 539 timed_os_statistics integer 0 540 timed_statistics boolean TRUE 541 trace_enabled boolean TRUE 542 tracefile_identifier string 543 transactions integer 519 544 transactions_per_rollback_segment integer 5 545 undo_management string AUTO 546 undo_retention integer 900 547 undo_tablespace string UNDOTBS1 548 549 NAME TYPE VALUE 550 ------------------------------------ ----------- ------------------------------ 551 unified_audit_sga_queue_size integer 1048576 552 uniform_log_timestamp_format boolean TRUE 553 use_dedicated_broker boolean FALSE 554 use_large_pages string TRUE 555 user_dump_dest string /orcl/app/oracle/product/12.1. 556 0/db_1/rdbms/log 557 utl_file_dir string 558 workarea_size_policy string AUTO 559 xml_db_events string enable
001,DB_UNIQUE_NAME配置
alter system set db_unique_name='NODE12C02';
002,FAL_SERVER配置
alter system set fal_server='node12c01,node12c03,node12c04';
003,LOG_ARCHIVE_CONFIG配置
dg_config是写db_unique_name的值。 alter system set log_archive_config='dg_config=(node12c01,node12c02,node12c03,node12c04)';
004,log_archive_dest 配置
log_archive_dest_1 这里指向本地 alter system set log_archive_dest_1='location=/orcl/app/oracle/oradata/orcl/archivelog valid_for=(all_logfiles,all_roles) db_unique_name=node12c02'; log_archive_dest_2 这里指向主库 alter system set log_archive_dest_2='service=node12c01 async valid_for=(online_logfiles,primary_role) db_unique_name=node12c01';
05,FAR SYNC节点一配置
总配置:
SQL> show parameter NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ DBFIPS_140 boolean FALSE O7_DICTIONARY_ACCESSIBILITY boolean FALSE active_instance_count integer allow_global_dblinks boolean FALSE allow_group_access_to_sga boolean FALSE approx_for_aggregation boolean FALSE approx_for_count_distinct boolean FALSE approx_for_percentile string none aq_tm_processes integer 1 archive_lag_target integer 0 asm_diskgroups string NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ asm_diskstring string asm_io_processes integer 20 asm_power_limit integer 1 asm_preferred_read_failure_groups string audit_file_dest string /orcl/app/oracle/admin/orcl/ad ump audit_sys_operations boolean TRUE audit_syslog_level string audit_trail string DB autotask_max_active_pdbs integer 2 awr_pdb_autoflush_enabled boolean FALSE NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ awr_snapshot_time_offset integer 0 background_core_dump string partial background_dump_dest string /orcl/app/oracle/product/12.1. 0/db_1/rdbms/log backup_tape_io_slaves boolean FALSE bitmap_merge_area_size integer 1048576 blank_trimming boolean FALSE buffer_pool_keep string buffer_pool_recycle string cdb_cluster boolean FALSE cdb_cluster_name string NODE12C03 NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ cell_offload_compaction string ADAPTIVE cell_offload_decryption boolean TRUE cell_offload_parameters string cell_offload_plan_display string AUTO cell_offload_processing boolean TRUE cell_offloadgroup_name string circuits integer client_result_cache_lag big integer 3000 client_result_cache_size big integer 0 clonedb boolean FALSE clonedb_dir string NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ cluster_database boolean FALSE cluster_database_instances integer 1 cluster_interconnects string commit_logging string commit_point_strength integer 1 commit_wait string commit_write string common_user_prefix string C## compatible string 12.2.0 connection_brokers string ((TYPE=DEDICATED)(BROKERS=1)), ((TYPE=EMON)(BROKERS=1)) NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ containers_parallel_degree integer 65535 control_file_record_keep_time integer 7 control_files string /orcl/app/oracle/oradata/orcl/ control01.ctl, /orcl/app/oracl e/fast_recovery_area/orcl/cont rol02.ctl control_management_pack_access string DIAGNOSTIC+TUNING core_dump_dest string /orcl/app/oracle/diag/rdbms/no de12c03/orcl/cdump cpu_count integer 2 create_bitmap_area_size integer 8388608 NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ create_stored_outlines string cursor_bind_capture_destination string memory+disk cursor_invalidation string IMMEDIATE cursor_sharing string EXACT cursor_space_for_time boolean FALSE data_guard_sync_latency integer 0 data_transfer_cache_size big integer 0 db_16k_cache_size big integer 0 db_2k_cache_size big integer 0 db_32k_cache_size big integer 0 db_4k_cache_size big integer 0 NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ db_8k_cache_size big integer 0 db_big_table_cache_percent_target string 0 db_block_buffers integer 0 db_block_checking string FALSE db_block_checksum string TYPICAL db_block_size integer 8192 db_cache_advice string ON db_cache_size big integer 0 db_create_file_dest string db_create_online_log_dest_1 string db_create_online_log_dest_2 string NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ db_create_online_log_dest_3 string db_create_online_log_dest_4 string db_create_online_log_dest_5 string db_domain string db_file_multiblock_read_count integer 128 db_file_name_convert string db_files integer 200 db_flash_cache_file string db_flash_cache_size big integer 0 db_flashback_retention_target integer 1440 db_index_compression_inheritance string NONE NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ db_keep_cache_size big integer 0 db_lost_write_protect string NONE db_name string orcl db_performance_profile string db_recovery_file_dest string /orcl/app/oracle/fast_recovery _area/orcl db_recovery_file_dest_size big integer 1G db_recycle_cache_size big integer 0 db_securefile string PREFERRED db_ultra_safe string OFF db_unique_name string NODE12C03 NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ db_unrecoverable_scn_tracking boolean TRUE db_writer_processes integer 1 dbwr_io_slaves integer 0 ddl_lock_timeout integer 0 default_sharing string metadata deferred_segment_creation boolean TRUE dg_broker_config_file1 string /orcl/app/oracle/product/12.1. 0/db_1/dbs/dr1NODE12C03.dat dg_broker_config_file2 string /orcl/app/oracle/product/12.1. 0/db_1/dbs/dr2NODE12C03.dat dg_broker_start boolean TRUE NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ diagnostic_dest string /orcl/app/oracle disable_pdb_feature big integer 0 disk_asynch_io boolean TRUE dispatchers string (PROTOCOL=TCP) (SERVICE=orclXD B) distributed_lock_timeout integer 60 dml_locks integer 2076 dnfs_batch_size integer 4096 dst_upgrade_insert_conv boolean TRUE enable_automatic_maintenance_pdb boolean TRUE enable_ddl_logging boolean FALSE NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ enable_dnfs_dispatcher boolean FALSE enable_goldengate_replication boolean FALSE enable_pluggable_database boolean TRUE enabled_PDBs_on_standby string * encrypt_new_tablespaces string CLOUD_ONLY event string exafusion_enabled integer 1 external_keystore_credential_locatio string n fal_client string fal_server string node12c01 NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ fast_start_io_target integer 0 fast_start_mttr_target integer 0 fast_start_parallel_rollback string LOW file_mapping boolean FALSE fileio_network_adapters string filesystemio_options string none fixed_date string gcs_server_processes integer 0 global_names boolean FALSE global_txn_processes integer 1 hash_area_size integer 131072 NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ heat_map string OFF hi_shared_memory_address integer 0 hs_autoregister boolean TRUE ifile file inmemory_adg_enabled boolean TRUE inmemory_clause_default string inmemory_expressions_usage string ENABLE inmemory_force string DEFAULT inmemory_max_populate_servers integer 0 inmemory_query string ENABLE inmemory_size big integer 0 NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ inmemory_trickle_repopulate_servers_ integer 1 percent inmemory_virtual_columns string MANUAL instance_abort_delay_time integer 0 instance_groups string instance_mode string READ-WRITE instance_name string orcl instance_number integer 0 instance_type string RDBMS instant_restore boolean FALSE java_jit_enabled boolean TRUE NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ java_max_sessionspace_size integer 0 java_pool_size big integer 0 java_restrict string none java_soft_sessionspace_limit integer 0 job_queue_processes integer 10 large_pool_size big integer 0 ldap_directory_access string NONE ldap_directory_sysauth string no license_max_sessions integer 0 license_max_users integer 0 license_sessions_warning integer 0 NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ listener_networks string local_listener string LISTENER_ORCL lock_name_space string lock_sga boolean FALSE log_archive_config string dg_config=(NODE12C01,NODE12C02 ,NODE12C03,NODE12C04) log_archive_dest string log_archive_dest_1 string location=/orcl/app/oracle/orad ata/orcl/archivelog VALID_FOR= (ALL_LOGFILES,ALL_ROLES) DB_UN IQUE_NAME=node12c03 NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ log_archive_dest_10 string log_archive_dest_11 string log_archive_dest_12 string log_archive_dest_13 string log_archive_dest_14 string log_archive_dest_15 string log_archive_dest_16 string log_archive_dest_17 string log_archive_dest_18 string log_archive_dest_19 string log_archive_dest_2 string service="NODE12C02", ASYNC db NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ _unique_name="node12c02" net_t imeout=30, valid_for=(standby_ logfiles,standby_role) log_archive_dest_20 string log_archive_dest_21 string log_archive_dest_22 string log_archive_dest_23 string log_archive_dest_24 string log_archive_dest_25 string log_archive_dest_26 string log_archive_dest_27 string NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ log_archive_dest_28 string log_archive_dest_29 string log_archive_dest_3 string log_archive_dest_30 string log_archive_dest_31 string log_archive_dest_4 string log_archive_dest_5 string log_archive_dest_6 string log_archive_dest_7 string log_archive_dest_8 string log_archive_dest_9 string NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ log_archive_dest_state_1 string enable log_archive_dest_state_10 string enable log_archive_dest_state_11 string enable log_archive_dest_state_12 string enable log_archive_dest_state_13 string enable log_archive_dest_state_14 string enable log_archive_dest_state_15 string enable log_archive_dest_state_16 string enable log_archive_dest_state_17 string enable log_archive_dest_state_18 string enable log_archive_dest_state_19 string enable NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ log_archive_dest_state_2 string ENABLE log_archive_dest_state_20 string enable log_archive_dest_state_21 string enable log_archive_dest_state_22 string enable log_archive_dest_state_23 string enable log_archive_dest_state_24 string enable log_archive_dest_state_25 string enable log_archive_dest_state_26 string enable log_archive_dest_state_27 string enable log_archive_dest_state_28 string enable log_archive_dest_state_29 string enable NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ log_archive_dest_state_3 string enable log_archive_dest_state_30 string enable log_archive_dest_state_31 string enable log_archive_dest_state_4 string enable log_archive_dest_state_5 string enable log_archive_dest_state_6 string enable log_archive_dest_state_7 string enable log_archive_dest_state_8 string enable log_archive_dest_state_9 string enable log_archive_duplex_dest string log_archive_format string %t_%s_%r.dbf NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ log_archive_max_processes integer 4 log_archive_min_succeed_dest integer 1 log_archive_start boolean FALSE log_archive_trace integer 0 log_buffer big integer 7456K log_checkpoint_interval integer 0 log_checkpoint_timeout integer 1800 log_checkpoints_to_alert boolean FALSE log_file_name_convert string long_module_action boolean TRUE max_datapump_jobs_per_pdb integer 100 NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ max_dispatchers integer max_dump_file_size string unlimited max_idle_time integer 0 max_iops integer 0 max_mbps integer 0 max_pdbs integer 4098 max_shared_servers integer max_string_size string STANDARD memory_max_target big integer 0 memory_target big integer 0 nls_calendar string NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ nls_comp string BINARY nls_currency string nls_date_format string nls_date_language string nls_dual_currency string nls_iso_currency string nls_language string AMERICAN nls_length_semantics string BYTE nls_nchar_conv_excp string FALSE nls_numeric_characters string nls_sort string NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ nls_territory string AMERICA nls_time_format string nls_time_tz_format string nls_timestamp_format string nls_timestamp_tz_format string noncdb_compatible boolean FALSE object_cache_max_size_percent integer 10 object_cache_optimal_size integer 10240000 ofs_threads integer 4 olap_page_pool_size big integer 0 one_step_plugin_for_pdb_with_tde boolean FALSE NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ open_cursors integer 300 open_links integer 4 open_links_per_instance integer 4 optimizer_adaptive_plans boolean TRUE optimizer_adaptive_reporting_only boolean FALSE optimizer_adaptive_statistics boolean FALSE optimizer_capture_sql_plan_baselines boolean FALSE optimizer_dynamic_sampling integer 2 optimizer_features_enable string 12.2.0.1 optimizer_index_caching integer 0 optimizer_index_cost_adj integer 100 NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ optimizer_inmemory_aware boolean TRUE optimizer_mode string ALL_ROWS optimizer_secure_view_merging boolean TRUE optimizer_use_invisible_indexes boolean FALSE optimizer_use_pending_statistics boolean FALSE optimizer_use_sql_plan_baselines boolean TRUE os_authent_prefix string ops$ os_roles boolean FALSE outbound_dblink_protocols string ALL parallel_adaptive_multi_user boolean FALSE parallel_degree_limit string CPU NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ parallel_degree_policy string MANUAL parallel_execution_message_size integer 16384 parallel_force_local boolean FALSE parallel_instance_group string parallel_max_servers integer 80 parallel_min_percent integer 0 parallel_min_servers integer 8 parallel_min_time_threshold string AUTO parallel_servers_target integer 32 parallel_threads_per_cpu integer 2 pdb_file_name_convert string NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ pdb_lockdown string pdb_os_credential string permit_92_wrap_format boolean TRUE pga_aggregate_limit big integer 2G pga_aggregate_target big integer 799M plscope_settings string IDENTIFIERS:NONE plsql_ccflags string plsql_code_type string INTERPRETED plsql_debug boolean FALSE plsql_optimize_level integer 2 plsql_v2_compatibility boolean FALSE NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ plsql_warnings string DISABLE:ALL pre_page_sga boolean TRUE processes integer 300 processor_group_name string query_rewrite_enabled string TRUE query_rewrite_integrity string enforced rdbms_server_dn string read_only_open_delayed boolean FALSE recovery_parallelism integer 0 recyclebin string on redo_transport_user string NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ remote_dependencies_mode string TIMESTAMP remote_listener string remote_login_passwordfile string EXCLUSIVE remote_os_authent boolean FALSE remote_os_roles boolean FALSE remote_recovery_file_dest string replication_dependency_tracking boolean TRUE resource_limit boolean TRUE resource_manage_goldengate boolean FALSE resource_manager_cpu_allocation integer 2 resource_manager_plan string NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ result_cache_max_result integer 5 result_cache_max_size big integer 12M result_cache_mode string MANUAL result_cache_remote_expiration integer 0 resumable_timeout integer 0 rollback_segments string sec_case_sensitive_logon boolean TRUE sec_max_failed_login_attempts integer 3 sec_protocol_error_further_action string (DROP,3) sec_protocol_error_trace_action string TRACE sec_return_server_release_banner boolean FALSE NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ serial_reuse string disable service_names string NODE12C03 session_cached_cursors integer 50 session_max_open_files integer 10 sessions integer 472 sga_max_size big integer 2400M sga_min_size big integer 0 sga_target big integer 2400M shadow_core_dump string partial shared_memory_address integer 0 shared_pool_reserved_size big integer 24M NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ shared_pool_size big integer 0 shared_server_sessions integer shared_servers integer 1 shrd_dupl_table_refresh_rate integer 60 skip_unusable_indexes boolean TRUE smtp_out_server string sort_area_retained_size integer 0 sort_area_size integer 65536 spatial_vector_acceleration boolean FALSE spfile string /orcl/app/oracle/product/12.1. 0/db_1/dbs/spfileorcl.ora NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ sql92_security boolean TRUE sql_trace boolean FALSE sqltune_category string DEFAULT standby_archive_dest string ?#/dbs/arch standby_db_preserve_states string NONE standby_file_management string MANUAL star_transformation_enabled string FALSE statistics_level string TYPICAL streams_pool_size big integer 0 tape_asynch_io boolean TRUE target_pdbs integer 4 NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ temp_undo_enabled boolean FALSE thread integer 0 threaded_execution boolean FALSE timed_os_statistics integer 0 timed_statistics boolean TRUE trace_enabled boolean TRUE tracefile_identifier string transactions integer 519 transactions_per_rollback_segment integer 5 undo_management string AUTO undo_retention integer 900 NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ undo_tablespace string UNDOTBS1 unified_audit_sga_queue_size integer 1048576 uniform_log_timestamp_format boolean TRUE use_dedicated_broker boolean FALSE use_large_pages string TRUE user_dump_dest string /orcl/app/oracle/product/12.1. 0/db_1/rdbms/log utl_file_dir string workarea_size_policy string AUTO xml_db_events string enable SQL>
[oracle@node12c03 admin]$ cd $ORACLE_HOME/dbs --文件存放处[oracle@node12c03 dbs]$ pwd /orcl/app/oracle/product/12.1.0/db_1/dbs 更改pfile文件见下 [oracle@node12c03 dbs]$ pwd /orcl/app/oracle/product/12.1.0/db_1/dbs [oracle@node12c03 dbs]$ cat initorcl.ora *.audit_file_dest='/orcl/app/oracle/admin/orcl/adump' *.audit_trail='db' *.compatible='12.2.0' *.control_files='/orcl/app/oracle/oradata/orcl/control01.ctl','/orcl/app/oracle/fast_recovery_area/orcl/control02.ctl' *.data_guard_sync_latency=0 *.db_block_size=8192 *.db_name='orcl' ---实例名字这里写的是主库的实力名字 *.db_recovery_file_dest='/orcl/app/oracle/fast_recovery_area/orcl' *.db_recovery_file_dest_size=1073741824 *.db_unique_name='NODE12C03' ----改为自己的db_unique_name,不能与其他同集群db_unique_name 一致 *.dg_broker_start=TRUE *.diagnostic_dest='/orcl/app/oracle' *.dispatchers='(PROTOCOL=TCP) (SERVICE=orclXDB)' *.enable_pluggable_database=true *.fal_server='node12c01' --目标服务器 *.job_queue_processes=10 *.local_listener='LISTENER_ORCL' *.log_archive_config='dg_config=(NODE12C01,NODE12C02,NODE12C03,NODE12C04)' *.log_archive_dest_1='location=/orcl/app/oracle/oradata/orcl/archivelog VALID_FOR=(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=node12c03' *.log_archive_dest_2='service="NODE12C02"','ASYNC db_unique_name="node12c02"','valid_for=(standby_logfiles,standby_role)' ---dest可以先这个配置成我这样,也可以稍等会oracle 命令配置
*.log_archive_dest_state_2='ENABLE' orcl.log_archive_format='%t_%s_%r.dbf' *.log_archive_max_processes=4 *.log_archive_min_succeed_dest=1 orcl.log_archive_trace=0 *.nls_language='AMERICAN' *.nls_territory='AMERICA' *.open_cursors=300 *.pga_aggregate_target=799m *.processes=300 *.remote_login_passwordfile='EXCLUSIVE' *.sga_target=2394m *.standby_file_management='MANUAL' *.undo_tablespace='UNDOTBS1'
恢复控制文件
启动数据库到nomount状态--由于启动弄mount需要pfile, 假如pfile位置更改或者识别不到可以使用指定pfile启动 SQL> startup nomount 或者 SQL> startup nomount file='/orcl/app/oracle/product/12.1.0/db_1/dbs/initorcl.ora' SQL> exit 进入rman 恢复控制文件 rman target / RMAN> restore controlfile from '/orcl/app/oracle/product/12.1.0/db_1/dbs/fs01.ctl'; RMAN> exit 启动到mount SQL> startup mount --- 恢复后再后续的启动中就只需要启动到mount状态即可
设置启动为spfile
SQL> create spfile from pfile;
SQL> shutdown immediate
SQL> startup
设置参数
db_unique_name 参数配置 alter system set db_unique_name='node12c03'; fal_server配置 alter system set fal_server='node12c01'; 这个为主数据库 配置log_archive_config alter system set log_archive_config='dg_config=(node12c01,node12c02,node12c03,node12c04)'; 写所有集群机器 配置dest log_archive_dest_1，写归档到本地归档路径 alter system set log_archive_dest_1='location=/orcl/app/oracle/oradata/orcl/archivelog valid_for=(all_logfile,all_roles) db_unique_name=node12c03' scope=spfile; log_archive_dest_2，写归档到备库，用async的方式，因为主到fs是sync，fs到备库是async。 alter system set log_archive_dest_2='service=node12c02 async valid_for=(standby_logfiles,standby_role) db_unique_name=node12c02'; log_archive_dest_3, 不用写dest3。
05,FAR SYNC节点二配置
总配置:
1 SQL> show parameter 2 3 NAME TYPE VALUE 4 ------------------------------------ ----------- ------------------------------ 5 DBFIPS_140 boolean FALSE 6 O7_DICTIONARY_ACCESSIBILITY boolean FALSE 7 active_instance_count integer 8 allow_global_dblinks boolean FALSE 9 allow_group_access_to_sga boolean FALSE 10 approx_for_aggregation boolean FALSE 11 approx_for_count_distinct boolean FALSE 12 approx_for_percentile string none 13 aq_tm_processes integer 1 14 archive_lag_target integer 0 15 asm_diskgroups string 16 17 NAME TYPE VALUE 18 ------------------------------------ ----------- ------------------------------ 19 asm_diskstring string 20 asm_io_processes integer 20 21 asm_power_limit integer 1 22 asm_preferred_read_failure_groups string 23 audit_file_dest string /orcl/app/oracle/admin/orcl/ad 24 ump 25 audit_sys_operations boolean TRUE 26 audit_syslog_level string 27 audit_trail string DB 28 autotask_max_active_pdbs integer 2 29 awr_pdb_autoflush_enabled boolean FALSE 30 31 NAME TYPE VALUE 32 ------------------------------------ ----------- ------------------------------ 33 awr_snapshot_time_offset integer 0 34 background_core_dump string partial 35 background_dump_dest string /orcl/app/oracle/product/12.1. 36 0/db_1/rdbms/log 37 backup_tape_io_slaves boolean FALSE 38 bitmap_merge_area_size integer 1048576 39 blank_trimming boolean FALSE 40 buffer_pool_keep string 41 buffer_pool_recycle string 42 cdb_cluster boolean FALSE 43 cdb_cluster_name string NODE12C04 44 45 NAME TYPE VALUE 46 ------------------------------------ ----------- ------------------------------ 47 cell_offload_compaction string ADAPTIVE 48 cell_offload_decryption boolean TRUE 49 cell_offload_parameters string 50 cell_offload_plan_display string AUTO 51 cell_offload_processing boolean TRUE 52 cell_offloadgroup_name string 53 circuits integer 54 client_result_cache_lag big integer 3000 55 client_result_cache_size big integer 0 56 clonedb boolean FALSE 57 clonedb_dir string 58 59 NAME TYPE VALUE 60 ------------------------------------ ----------- ------------------------------ 61 cluster_database boolean FALSE 62 cluster_database_instances integer 1 63 cluster_interconnects string 64 commit_logging string 65 commit_point_strength integer 1 66 commit_wait string 67 commit_write string 68 common_user_prefix string C## 69 compatible string 12.2.0 70 connection_brokers string ((TYPE=DEDICATED)(BROKERS=1)), 71 ((TYPE=EMON)(BROKERS=1)) 72 73 NAME TYPE VALUE 74 ------------------------------------ ----------- ------------------------------ 75 containers_parallel_degree integer 65535 76 control_file_record_keep_time integer 7 77 control_files string /orcl/app/oracle/oradata/orcl/ 78 control01.ctl, /orcl/app/oracl 79 e/fast_recovery_area/orcl/cont 80 rol02.ctl 81 control_management_pack_access string DIAGNOSTIC+TUNING 82 core_dump_dest string /orcl/app/oracle/diag/rdbms/no 83 de12c04/orcl/cdump 84 cpu_count integer 2 85 create_bitmap_area_size integer 8388608 86 87 NAME TYPE VALUE 88 ------------------------------------ ----------- ------------------------------ 89 create_stored_outlines string 90 cursor_bind_capture_destination string memory+disk 91 cursor_invalidation string IMMEDIATE 92 cursor_sharing string EXACT 93 cursor_space_for_time boolean FALSE 94 data_guard_sync_latency integer 0 95 data_transfer_cache_size big integer 0 96 db_16k_cache_size big integer 0 97 db_2k_cache_size big integer 0 98 db_32k_cache_size big integer 0 99 db_4k_cache_size big integer 0 100 101 NAME TYPE VALUE 102 ------------------------------------ ----------- ------------------------------ 103 db_8k_cache_size big integer 0 104 db_big_table_cache_percent_target string 0 105 db_block_buffers integer 0 106 db_block_checking string FALSE 107 db_block_checksum string TYPICAL 108 db_block_size integer 8192 109 db_cache_advice string ON 110 db_cache_size big integer 0 111 db_create_file_dest string 112 db_create_online_log_dest_1 string 113 db_create_online_log_dest_2 string 114 115 NAME TYPE VALUE 116 ------------------------------------ ----------- ------------------------------ 117 db_create_online_log_dest_3 string 118 db_create_online_log_dest_4 string 119 db_create_online_log_dest_5 string 120 db_domain string 121 db_file_multiblock_read_count integer 128 122 db_file_name_convert string 123 db_files integer 200 124 db_flash_cache_file string 125 db_flash_cache_size big integer 0 126 db_flashback_retention_target integer 1440 127 db_index_compression_inheritance string NONE 128 129 NAME TYPE VALUE 130 ------------------------------------ ----------- ------------------------------ 131 db_keep_cache_size big integer 0 132 db_lost_write_protect string NONE 133 db_name string orcl 134 db_performance_profile string 135 db_recovery_file_dest string /orcl/app/oracle/fast_recovery 136 _area/orcl 137 db_recovery_file_dest_size big integer 1G 138 db_recycle_cache_size big integer 0 139 db_securefile string PREFERRED 140 db_ultra_safe string OFF 141 db_unique_name string NODE12C04 142 143 NAME TYPE VALUE 144 ------------------------------------ ----------- ------------------------------ 145 db_unrecoverable_scn_tracking boolean TRUE 146 db_writer_processes integer 1 147 dbwr_io_slaves integer 0 148 ddl_lock_timeout integer 0 149 default_sharing string metadata 150 deferred_segment_creation boolean TRUE 151 dg_broker_config_file1 string /orcl/app/oracle/product/12.1. 152 0/db_1/dbs/dr1NODE12C04.dat 153 dg_broker_config_file2 string /orcl/app/oracle/product/12.1. 154 0/db_1/dbs/dr2NODE12C04.dat 155 dg_broker_start boolean TRUE 156 157 NAME TYPE VALUE 158 ------------------------------------ ----------- ------------------------------ 159 diagnostic_dest string /orcl/app/oracle 160 disable_pdb_feature big integer 0 161 disk_asynch_io boolean TRUE 162 dispatchers string (PROTOCOL=TCP) (SERVICE=orclXD 163 B) 164 distributed_lock_timeout integer 60 165 dml_locks integer 2076 166 dnfs_batch_size integer 4096 167 dst_upgrade_insert_conv boolean TRUE 168 enable_automatic_maintenance_pdb boolean TRUE 169 enable_ddl_logging boolean FALSE 170 171 NAME TYPE VALUE 172 ------------------------------------ ----------- ------------------------------ 173 enable_dnfs_dispatcher boolean FALSE 174 enable_goldengate_replication boolean FALSE 175 enable_pluggable_database boolean TRUE 176 enabled_PDBs_on_standby string * 177 encrypt_new_tablespaces string CLOUD_ONLY 178 event string 179 exafusion_enabled integer 1 180 external_keystore_credential_locatio string 181 n 182 fal_client string 183 fal_server string node12c01 184 185 NAME TYPE VALUE 186 ------------------------------------ ----------- ------------------------------ 187 fast_start_io_target integer 0 188 fast_start_mttr_target integer 0 189 fast_start_parallel_rollback string LOW 190 file_mapping boolean FALSE 191 fileio_network_adapters string 192 filesystemio_options string none 193 fixed_date string 194 gcs_server_processes integer 0 195 global_names boolean FALSE 196 global_txn_processes integer 1 197 hash_area_size integer 131072 198 199 NAME TYPE VALUE 200 ------------------------------------ ----------- ------------------------------ 201 heat_map string OFF 202 hi_shared_memory_address integer 0 203 hs_autoregister boolean TRUE 204 ifile file 205 inmemory_adg_enabled boolean TRUE 206 inmemory_clause_default string 207 inmemory_expressions_usage string ENABLE 208 inmemory_force string DEFAULT 209 inmemory_max_populate_servers integer 0 210 inmemory_query string ENABLE 211 inmemory_size big integer 0 212 213 NAME TYPE VALUE 214 ------------------------------------ ----------- ------------------------------ 215 inmemory_trickle_repopulate_servers_ integer 1 216 percent 217 inmemory_virtual_columns string MANUAL 218 instance_abort_delay_time integer 0 219 instance_groups string 220 instance_mode string READ-WRITE 221 instance_name string orcl 222 instance_number integer 0 223 instance_type string RDBMS 224 instant_restore boolean FALSE 225 java_jit_enabled boolean TRUE 226 227 NAME TYPE VALUE 228 ------------------------------------ ----------- ------------------------------ 229 java_max_sessionspace_size integer 0 230 java_pool_size big integer 0 231 java_restrict string none 232 java_soft_sessionspace_limit integer 0 233 job_queue_processes integer 10 234 large_pool_size big integer 0 235 ldap_directory_access string NONE 236 ldap_directory_sysauth string no 237 license_max_sessions integer 0 238 license_max_users integer 0 239 license_sessions_warning integer 0 240 241 NAME TYPE VALUE 242 ------------------------------------ ----------- ------------------------------ 243 listener_networks string 244 local_listener string LISTENER_ORCL 245 lock_name_space string 246 lock_sga boolean FALSE 247 log_archive_config string dg_config=(NODE12C01,NODE12C02 248 ,NODE12C03,NODE12C04) 249 log_archive_dest string 250 log_archive_dest_1 string location=/orcl/app/oracle/orad 251 ata/orcl/archivelog VALID_FOR= 252 (ALL_LOGFILES,ALL_ROLES) DB_UN 253 IQUE_NAME=node12c04 254 255 NAME TYPE VALUE 256 ------------------------------------ ----------- ------------------------------ 257 log_archive_dest_10 string 258 log_archive_dest_11 string 259 log_archive_dest_12 string 260 log_archive_dest_13 string 261 log_archive_dest_14 string 262 log_archive_dest_15 string 263 log_archive_dest_16 string 264 log_archive_dest_17 string 265 log_archive_dest_18 string 266 log_archive_dest_19 string 267 log_archive_dest_2 string service="NODE12C02", ASYNC db_ 268 269 NAME TYPE VALUE 270 ------------------------------------ ----------- ------------------------------ 271 unique_name="node12c02" , vali 272 d_for=(standby_logfiles,standb 273 y_role) 274 log_archive_dest_20 string 275 log_archive_dest_21 string 276 log_archive_dest_22 string 277 log_archive_dest_23 string 278 log_archive_dest_24 string 279 log_archive_dest_25 string 280 log_archive_dest_26 string 281 log_archive_dest_27 string 282 283 NAME TYPE VALUE 284 ------------------------------------ ----------- ------------------------------ 285 log_archive_dest_28 string 286 log_archive_dest_29 string 287 log_archive_dest_3 string 288 log_archive_dest_30 string 289 log_archive_dest_31 string 290 log_archive_dest_4 string 291 log_archive_dest_5 string 292 log_archive_dest_6 string 293 log_archive_dest_7 string 294 log_archive_dest_8 string 295 log_archive_dest_9 string 296 297 NAME TYPE VALUE 298 ------------------------------------ ----------- ------------------------------ 299 log_archive_dest_state_1 string enable 300 log_archive_dest_state_10 string enable 301 log_archive_dest_state_11 string enable 302 log_archive_dest_state_12 string enable 303 log_archive_dest_state_13 string enable 304 log_archive_dest_state_14 string enable 305 log_archive_dest_state_15 string enable 306 log_archive_dest_state_16 string enable 307 log_archive_dest_state_17 string enable 308 log_archive_dest_state_18 string enable 309 log_archive_dest_state_19 string enable 310 311 NAME TYPE VALUE 312 ------------------------------------ ----------- ------------------------------ 313 log_archive_dest_state_2 string ENABLE 314 log_archive_dest_state_20 string enable 315 log_archive_dest_state_21 string enable 316 log_archive_dest_state_22 string enable 317 log_archive_dest_state_23 string enable 318 log_archive_dest_state_24 string enable 319 log_archive_dest_state_25 string enable 320 log_archive_dest_state_26 string enable 321 log_archive_dest_state_27 string enable 322 log_archive_dest_state_28 string enable 323 log_archive_dest_state_29 string enable 324 325 NAME TYPE VALUE 326 ------------------------------------ ----------- ------------------------------ 327 log_archive_dest_state_3 string enable 328 log_archive_dest_state_30 string enable 329 log_archive_dest_state_31 string enable 330 log_archive_dest_state_4 string enable 331 log_archive_dest_state_5 string enable 332 log_archive_dest_state_6 string enable 333 log_archive_dest_state_7 string enable 334 log_archive_dest_state_8 string enable 335 log_archive_dest_state_9 string enable 336 log_archive_duplex_dest string 337 log_archive_format string %t_%s_%r.dbf 338 339 NAME TYPE VALUE 340 ------------------------------------ ----------- ------------------------------ 341 log_archive_max_processes integer 4 342 log_archive_min_succeed_dest integer 1 343 log_archive_start boolean FALSE 344 log_archive_trace integer 0 345 log_buffer big integer 7456K 346 log_checkpoint_interval integer 0 347 log_checkpoint_timeout integer 1800 348 log_checkpoints_to_alert boolean FALSE 349 log_file_name_convert string 350 long_module_action boolean TRUE 351 max_datapump_jobs_per_pdb integer 100 352 353 NAME TYPE VALUE 354 ------------------------------------ ----------- ------------------------------ 355 max_dispatchers integer 356 max_dump_file_size string unlimited 357 max_idle_time integer 0 358 max_iops integer 0 359 max_mbps integer 0 360 max_pdbs integer 4098 361 max_shared_servers integer 362 max_string_size string STANDARD 363 memory_max_target big integer 0 364 memory_target big integer 0 365 nls_calendar string 366 367 NAME TYPE VALUE 368 ------------------------------------ ----------- ------------------------------ 369 nls_comp string BINARY 370 nls_currency string 371 nls_date_format string 372 nls_date_language string 373 nls_dual_currency string 374 nls_iso_currency string 375 nls_language string AMERICAN 376 nls_length_semantics string BYTE 377 nls_nchar_conv_excp string FALSE 378 nls_numeric_characters string 379 nls_sort string 380 381 NAME TYPE VALUE 382 ------------------------------------ ----------- ------------------------------ 383 nls_territory string AMERICA 384 nls_time_format string 385 nls_time_tz_format string 386 nls_timestamp_format string 387 nls_timestamp_tz_format string 388 noncdb_compatible boolean FALSE 389 object_cache_max_size_percent integer 10 390 object_cache_optimal_size integer 10240000 391 ofs_threads integer 4 392 olap_page_pool_size big integer 0 393 one_step_plugin_for_pdb_with_tde boolean FALSE 394 395 NAME TYPE VALUE 396 ------------------------------------ ----------- ------------------------------ 397 open_cursors integer 300 398 open_links integer 4 399 open_links_per_instance integer 4 400 optimizer_adaptive_plans boolean TRUE 401 optimizer_adaptive_reporting_only boolean FALSE 402 optimizer_adaptive_statistics boolean FALSE 403 optimizer_capture_sql_plan_baselines boolean FALSE 404 optimizer_dynamic_sampling integer 2 405 optimizer_features_enable string 12.2.0.1 406 optimizer_index_caching integer 0 407 optimizer_index_cost_adj integer 100 408 409 NAME TYPE VALUE 410 ------------------------------------ ----------- ------------------------------ 411 optimizer_inmemory_aware boolean TRUE 412 optimizer_mode string ALL_ROWS 413 optimizer_secure_view_merging boolean TRUE 414 optimizer_use_invisible_indexes boolean FALSE 415 optimizer_use_pending_statistics boolean FALSE 416 optimizer_use_sql_plan_baselines boolean TRUE 417 os_authent_prefix string ops$ 418 os_roles boolean FALSE 419 outbound_dblink_protocols string ALL 420 parallel_adaptive_multi_user boolean FALSE 421 parallel_degree_limit string CPU 422 423 NAME TYPE VALUE 424 ------------------------------------ ----------- ------------------------------ 425 parallel_degree_policy string MANUAL 426 parallel_execution_message_size integer 16384 427 parallel_force_local boolean FALSE 428 parallel_instance_group string 429 parallel_max_servers integer 80 430 parallel_min_percent integer 0 431 parallel_min_servers integer 8 432 parallel_min_time_threshold string AUTO 433 parallel_servers_target integer 32 434 parallel_threads_per_cpu integer 2 435 pdb_file_name_convert string 436 437 NAME TYPE VALUE 438 ------------------------------------ ----------- ------------------------------ 439 pdb_lockdown string 440 pdb_os_credential string 441 permit_92_wrap_format boolean TRUE 442 pga_aggregate_limit big integer 2G 443 pga_aggregate_target big integer 799M 444 plscope_settings string IDENTIFIERS:NONE 445 plsql_ccflags string 446 plsql_code_type string INTERPRETED 447 plsql_debug boolean FALSE 448 plsql_optimize_level integer 2 449 plsql_v2_compatibility boolean FALSE 450 451 NAME TYPE VALUE 452 ------------------------------------ ----------- ------------------------------ 453 plsql_warnings string DISABLE:ALL 454 pre_page_sga boolean TRUE 455 processes integer 300 456 processor_group_name string 457 query_rewrite_enabled string TRUE 458 query_rewrite_integrity string enforced 459 rdbms_server_dn string 460 read_only_open_delayed boolean FALSE 461 recovery_parallelism integer 0 462 recyclebin string on 463 redo_transport_user string 464 465 NAME TYPE VALUE 466 ------------------------------------ ----------- ------------------------------ 467 remote_dependencies_mode string TIMESTAMP 468 remote_listener string 469 remote_login_passwordfile string EXCLUSIVE 470 remote_os_authent boolean FALSE 471 remote_os_roles boolean FALSE 472 remote_recovery_file_dest string 473 replication_dependency_tracking boolean TRUE 474 resource_limit boolean TRUE 475 resource_manage_goldengate boolean FALSE 476 resource_manager_cpu_allocation integer 2 477 resource_manager_plan string 478 479 NAME TYPE VALUE 480 ------------------------------------ ----------- ------------------------------ 481 result_cache_max_result integer 5 482 result_cache_max_size big integer 12M 483 result_cache_mode string MANUAL 484 result_cache_remote_expiration integer 0 485 resumable_timeout integer 0 486 rollback_segments string 487 sec_case_sensitive_logon boolean TRUE 488 sec_max_failed_login_attempts integer 3 489 sec_protocol_error_further_action string (DROP,3) 490 sec_protocol_error_trace_action string TRACE 491 sec_return_server_release_banner boolean FALSE 492 493 NAME TYPE VALUE 494 ------------------------------------ ----------- ------------------------------ 495 serial_reuse string disable 496 service_names string NODE12C04 497 session_cached_cursors integer 50 498 session_max_open_files integer 10 499 sessions integer 472 500 sga_max_size big integer 2400M 501 sga_min_size big integer 0 502 sga_target big integer 2400M 503 shadow_core_dump string partial 504 shared_memory_address integer 0 505 shared_pool_reserved_size big integer 24M 506 507 NAME TYPE VALUE 508 ------------------------------------ ----------- ------------------------------ 509 shared_pool_size big integer 0 510 shared_server_sessions integer 511 shared_servers integer 1 512 shrd_dupl_table_refresh_rate integer 60 513 skip_unusable_indexes boolean TRUE 514 smtp_out_server string 515 sort_area_retained_size integer 0 516 sort_area_size integer 65536 517 spatial_vector_acceleration boolean FALSE 518 spfile string /orcl/app/oracle/product/12.1. 519 0/db_1/dbs/spfileorcl.ora 520 521 NAME TYPE VALUE 522 ------------------------------------ ----------- ------------------------------ 523 sql92_security boolean TRUE 524 sql_trace boolean FALSE 525 sqltune_category string DEFAULT 526 standby_archive_dest string ?#/dbs/arch 527 standby_db_preserve_states string NONE 528 standby_file_management string MANUAL 529 star_transformation_enabled string FALSE 530 statistics_level string TYPICAL 531 streams_pool_size big integer 0 532 tape_asynch_io boolean TRUE 533 target_pdbs integer 4 534 535 NAME TYPE VALUE 536 ------------------------------------ ----------- ------------------------------ 537 temp_undo_enabled boolean FALSE 538 thread integer 0 539 threaded_execution boolean FALSE 540 timed_os_statistics integer 0 541 timed_statistics boolean TRUE 542 trace_enabled boolean TRUE 543 tracefile_identifier string 544 transactions integer 519 545 transactions_per_rollback_segment integer 5 546 undo_management string AUTO 547 undo_retention integer 900 548 549 NAME TYPE VALUE 550 ------------------------------------ ----------- ------------------------------ 551 undo_tablespace string UNDOTBS1 552 unified_audit_sga_queue_size integer 1048576 553 uniform_log_timestamp_format boolean TRUE 554 use_dedicated_broker boolean FALSE 555 use_large_pages string TRUE 556 user_dump_dest string /orcl/app/oracle/product/12.1. 557 0/db_1/rdbms/log 558 utl_file_dir string 559 workarea_size_policy string AUTO 560 xml_db_events string enable 561 SQL>
[oracle@node12c04 admin]$ cd $ORACLE_HOME/dbs --文件存放处
[oracle@node12c04 dbs]$ pwd
/orcl/app/oracle/product/12.1.0/db_1/dbs
更改pfile文件见下
[oracle@node12c04 dbs]$ pwd
/orcl/app/oracle/product/12.1.0/db_1/dbs
[oracle@node12c04 dbs]$ cat initorcl.ora --这个备用FAR SYNC的话和节点一的配置差不多,都是要传归档到备库,只是充当临时效果
*.audit_file_dest='/orcl/app/oracle/admin/orcl/adump'
*.audit_trail='db'
*.compatible='12.2.0'
*.control_files='/orcl/app/oracle/oradata/orcl/control01.ctl','/orcl/app/oracle/fast_recovery_area/orcl/control02.ctl'
*.data_guard_sync_latency=0
*.db_block_size=8192
*.db_name='orcl' ---实例名字这里写的是主库的实力名字
*.db_recovery_file_dest='/orcl/app/oracle/fast_recovery_area/orcl'
*.db_recovery_file_dest_size=1073741824
*.db_unique_name='NODE12C04' ----改为自己的db_unique_name,不能与其他同集群db_unique_name 一致
*.dg_broker_start=TRUE
*.diagnostic_dest='/orcl/app/oracle'
*.dispatchers='(PROTOCOL=TCP) (SERVICE=orclXDB)'
*.enable_pluggable_database=true
*.fal_server='node12c01' --目标服务器
*.job_queue_processes=10
*.local_listener='LISTENER_ORCL'
*.log_archive_config='dg_config=(NODE12C01,NODE12C02,NODE12C03,NODE12C04)'
*.log_archive_dest_1='location=/orcl/app/oracle/oradata/orcl/archivelog VALID_FOR=(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=node12c03'
*.log_archive_dest_2='service="NODE12C02"','ASYNC db_unique_name="node12c02" net_timeout=30','valid_for=(standby_logfiles,standby_role)'
---dest可以先这个配置成我这样,也可以稍等会oracle 命令配置
*.log_archive_dest_state_2='ENABLE'
orcl.log_archive_format='%t_%s_%r.dbf'
*.log_archive_max_processes=4
*.log_archive_min_succeed_dest=1
orcl.log_archive_trace=0
*.nls_language='AMERICAN'
*.nls_territory='AMERICA'
*.open_cursors=300
*.pga_aggregate_target=799m
*.processes=300
*.remote_login_passwordfile='EXCLUSIVE'
*.sga_target=2394m
*.standby_file_management='MANUAL'
*.undo_tablespace='UNDOTBS1'
恢复控制文件
启动数据库到nomount状态--由于启动弄mount需要pfile, 假如pfile位置更改或者识别不到可以使用指定pfile启动
SQL> startup nomount
或者
SQL> startup nomount file='/orcl/app/oracle/product/12.1.0/db_1/dbs/initorcl.ora'
SQL> exit
进入rman 恢复控制文件
rman target /
RMAN> restore controlfile from '/orcl/app/oracle/product/12.1.0/db_1/dbs/fs01.ctl';
RMAN> exit
启动到mount
SQL> startup mount
--- 恢复后再后续的启动中就只需要启动到mount状态即可
设置启动为spfile
SQL> create spfile from pfile;
SQL> shutdown immediate
SQL> startup
设置参数
db_unique_name 参数配置 alter system set db_unique_name='node12c04'; fal_server配置 alter system set fal_server='node12c01'; 这个为主数据库 配置log_archive_config alter system set log_archive_config='dg_config=(node12c01,node12c02,node12c03,node12c04)'; 写所有集群机器 配置dest log_archive_dest_1，写归档到本地归档路径 alter system set log_archive_dest_1='location=/orcl/app/oracle/oradata/orcl/archivelog valid_for=(all_logfile,all_roles) db_unique_name=node12c03' scope=spfile; log_archive_dest_2，写归档到备库，用async的方式，因为主到fs是sync，fs到备库是async。 alter system set log_archive_dest_2='service=node12c02 async valid_for=(standby_logfiles,standby_role) db_unique_name=node12c02'; log_archive_dest_3, 不用写dest3。
06,开始启动
关闭所有FAR 服务的数据库!! 重启主库 ---这里FS两个节点是并未启动的状态 主库所有pdb都要启动 SQL > shutdown immediate SQL > startup read write 配置为读写模式 SQL > alter pluggable database all open read write; 重启备库 --- ---这里FS两个节点是并未启动的状态 SQL > shutdown immediate SQL >startup SQL > alter pluggable database all open read only; --启动到只读模式 SQL > alter database recover managed standby database using current logfile disconnect from session; 启动FAR Sync 节点一 SQL > startup mount 启动FAR Sync 节点二 SQL > startup mount
主库查看保护级别,
SQL> select open_mode,protection_mode,protection_level,switchover_status from v$database;
OPEN_MODE PROTECTION_MODE PROTECTION_LEVEL SWITCHOVER_STATUS
-------------------- -------------------- -------------------- --------------------
READ WRITE MAXIMUM PERFORMANCE MAXIMUM PERFORMANCE TO STANDBY
发现并不是最大可用模式,我们进行调整,语法:
SQL> alter database set standby database to maximize availability;
Database altered.
SQL> select open_mode,protection_mode,protection_level,switchover_status from v$database;
OPEN_MODE PROTECTION_MODE PROTECTION_LEVEL SWITCHOVER_STATUS
-------------------- -------------------- -------------------- --------------------
READ WRITE MAXIMUM AVAILABILITY MAXIMUM AVAILABILITY TO STANDBY
一个 Far Sync 实例的话，如果出现问题，虽然能够保证 redo 直接传输到 standby 库，但是 primary 库保护模式从最大可用模式（MaximumAvailability）降为最大性能模式（Maximum Performance）。 因此我们可以在距离主库较近的地点设置 2 个 FarSync 实例保证高可用性。当一个 Far Sync实例不可用， primary 库自动使用备用 FarSync 库，并且 primary 库保护模式保持最大可用模式（Maximum Availability） 不变，零数据丢失。
07,节点启动状态
主库查看命令:
set linesize 160 select * from v$dataguard_config;
理论上是未应用的那个unknown !! 状态的话主库认识到状态未FAR就会发送日志过去
查看Far Sync实例状态
select protection_mode,database_role,protection_level,open_mode from v$database;
查看日志有没有问题
手工切换日志,可在下方命令查询后切换此命令,再次查询,看是否由改变
alter system archive log current;
主库:
SQL> select max(sequence#) from v$archived_log;
MAX(SEQUENCE#)
--------------
279
far sync:
SQL> select max(sequence#) from v$archived_log;
MAX(SEQUENCE#)
--------------
279
备库:
SQL> select max(sequence#) from v$archived_log;
MAX(SEQUENCE#)
--------------
279
FARsync2:
SQL> select max(sequence#) from v$archived_log;
MAX(SEQUENCE#)
--------------
276 ---这个日志没有与他们一样是因为没有应用,FAR1 宕机后就会通过这个来应用
08,FAR SYNC 测试
查看alter日志
配置listener.ora和tnsnames.ora 配置内容见上 同配置可直接拷贝,不同的话,更改对应名字IP即
[Pèizhì listener.Ora hé tnsnames.Ora pèizhì nèiróng jiàn shàng tóng pèizhì kě zhíjiē kǎobèi, bùtóng dehuà, gēnggǎi duìyìng míngzì IP jí]
Configure listener.ora and tnsnames.ora
See the configuration content
The same configuration can be copied directly. If not, change the corresponding name IP.
See the configuration content
The same configuration can be copied directly. If not, change the corresponding name IP.
FARsYNC2
FARsYNC2