zoukankan      html  css  js  c++  java
  • OracleDBA职责—备份与恢复技术—RMAN4

    RMAN之手动分配并行通道

    toc

    1. 查看数据文件临时文件位置

    RMAN> report schema;
    
    Report of database schema for database with db_unique_name PROE
    
    List of Permanent Datafiles
    ===========================
    File Size(MB) Tablespace           RB segs Datafile Name
    ---- -------- -------------------- ------- ------------------------
    1    750      SYSTEM               ***     /u01/app/oracle/oradata/proe/system01.dbf
    2    600      SYSAUX               ***     /u01/app/oracle/oradata/proe/sysaux01.dbf
    3    90       UNDOTBS1             ***     /u01/app/oracle/oradata/proe/undotbs01.dbf
    4    6        USERS                ***     /u01/app/oracle/oradata/proe/users01.dbf
    5    346      EXAMPLE              ***     /u01/app/oracle/oradata/proe/example01.dbf
    6    20       TEST_1               ***     /u01/app/oracle/oradata/proe/test_1.dbf
    7    100      TBS_TRAN             ***     /u01/app/oracle/oradata/proe/tbs_tran01.dbf
    
    List of Temporary Files
    =======================
    File Size(MB) Tablespace           Maxsize(MB) Tempfile Name
    ---- -------- -------------------- ----------- --------------------
    1    29       TEMP                 32767       /u01/app/oracle/oradata/proe/temp01.dbf

    2.手动分配通道

    RMAN> run{
    2> allocate channel ch1 device type disk format '/u01/app/backup/tbs_%U';
    3> backup tablespace TBS_TRAN;
    4> release channel ch1;
    5> }
    
    allocated channel: ch1
    channel ch1: SID=1144 device type=DISK
    
    Starting backup at 10-AUG-20
    using channel ORA_DISK_1
    channel ORA_DISK_1: starting full datafile backup set
    channel ORA_DISK_1: specifying datafile(s) in backup set
    input datafile file number=00007 name=/u01/app/oracle/oradata/proe/tbs_tran01.dbf
    channel ORA_DISK_1: starting piece 1 at 10-AUG-20
    channel ORA_DISK_1: finished piece 1 at 10-AUG-20
    piece handle=/u01/app/oracle/fast_recovery_area/PROE/backupset/2020_08_10/o1_mf_nnndf_TAG20200810T140602_hm1rybq5_.bkp tag=TAG20200810T140602 comment=NONE
    channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
    Finished backup at 10-AUG-20

    3.并行度为3如何设置

    #规划一下数据文件的编号给哪个通道执行
    
    RMAN> run{
    2> allocate channel ch1 device type disk format '/u01/app/backup1/bak1_%U';
    3> allocate channel ch2 device type disk format '/u01/app/backup2/bak2_%U';
    4> allocate channel ch3 device type disk format '/u01/app/backup3/bak3_%U';
    5> backup 
    6> (datafile 1 channel ch1)
    7> (datafile 2,3 channel ch2)
    8> (datafile 4,5,7,8,9,14 channel ch3);
    9> release channel ch1;
    10> release channel ch2;
    11> release channel ch3;
    12> }




  • 相关阅读:
    java四种数组排序
    hadoop安装及配置
    Talend初试,实现定时同步
    JAVA语言概述和基本语法知识点
    Maven项目资源文件打包错误
    Ajax同步和异步
    Nginx + Tomcat 负载均衡
    PLSQL安装配置
    WebStorm 设置光标位置不随意停靠
    Hello Node.js
  • 原文地址:https://www.cnblogs.com/plutozzl/p/13469720.html
Copyright © 2011-2022 走看看