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  • 11g RAC添加用户表空间(数据文件)至文件系统(File System)的修正

    前提:非TEMP、UNDO和SYSTEM表空间,这仨是大爷,您得搂着点。来自博客园AskScuti 。客户是添加临时表空间数据文件时,不小心 ADD 到了文件系统中,然后发现,后悔了,还在OS层面 RM 了,重建调整吧。

    实验就拿着普通的用户表空间练手吧。

    目录

    1. 创建用户表空间

    2. 故意添加错误路径的数据文件

    3. 查询报错

    4. 表空间脱机

    5. 通过RMAN进行COPY

    6. 数据文件重命名

    7. 数据文件RECOVER

    8. 表空间联机

    1. 创建用户表空间

    SQL> create tablespace henry datafile '+ASMDATA' size 1m;
    
    Tablespace created.
    
    SQL> select name from v$datafile;
    
    NAME
    -------------------------------------------------------
    +ASMSYSTEM/racerp/datafile/system.260.1005224067
    +ASMSYSTEM/racerp/datafile/sysaux.261.1005224093
    +ASMSYSTEM/racerp/datafile/undotbs1.262.1005224115
    +ASMSYSTEM/racerp/datafile/undotbs2.264.1005224141
    +ASMSYSTEM/racerp/datafile/users.265.1005224147
    +ASMDATA/racerp/datafile/test.256.1005234027
    +ASMDATA/racerp/datafile/henry.257.1010151449

    2. 故意添加错误路径的数据文件

    SQL> alter tablespace henry add datafile '/u01/app/oracle/henry02.dbf' size 1m;
    
    Tablespace altered.
    
    SQL> select name from v$datafile;
    
    NAME
    -------------------------------------------------------
    +ASMSYSTEM/racerp/datafile/system.260.1005224067
    +ASMSYSTEM/racerp/datafile/sysaux.261.1005224093
    +ASMSYSTEM/racerp/datafile/undotbs1.262.1005224115
    +ASMSYSTEM/racerp/datafile/undotbs2.264.1005224141
    +ASMSYSTEM/racerp/datafile/users.265.1005224147
    +ASMDATA/racerp/datafile/test.256.1005234027
    +ASMDATA/racerp/datafile/henry.257.1010151449
    /u01/app/oracle/henry02.dbf

    3. 查询报错

    SQL> select tablespace_name,file_id from dba_temp_files;
    select tablespace_name,file_id from dba_temp_files
    *
    ERROR at line 1:
    ORA-01157: cannot identify/lock data file 201 - see DBWR trace file
    ORA-01110: data file 201: '/u01/app/oracle/henry02.dbf'

    发现路径错了。

    4. 表空间脱机

    SQL> alter tablespace henry offline;
    
    Tablespace altered.

    5. 通过RMAN进行COPY

    [oracle@erpn2:/home/oracle]$rman target /
    
    Recovery Manager: Release 11.2.0.4.0 - Production on Wed Jun 5 13:45:31 2019
    
    Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.
    
    connected to target database: RACERP (DBID=1820589684)
    
    RMAN> copy datafile '/u01/app/oracle/henry02.dbf' to '+ASMDATA';
    
    Starting backup at 2019-06-05 13:45:33
    using target database control file instead of recovery catalog
    allocated channel: ORA_DISK_1
    channel ORA_DISK_1: SID=16 instance=RACERP_2 device type=DISK
    channel ORA_DISK_1: starting datafile copy
    input datafile file number=00008 name=/u01/app/oracle/henry02.dbf
    output file name=+ASMDATA/racerp/datafile/henry.261.1010151935 tag=TAG20190605T134535 RECID=4 STAMP=1010151935
    channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:01
    Finished backup at 2019-06-05 13:45:36
    
    Starting Control File and SPFILE Autobackup at 2019-06-05 13:45:36
    piece handle=/backup/RACERP_c-1820589684-20190605-03.ctl comment=NONE
    Finished Control File and SPFILE Autobackup at 2019-06-05 13:45:43

    6. 数据文件重命名

    SQL> alter database rename file '/u01/app/oracle/henry02.dbf' to '+ASMDATA/racerp/datafile/henry.261.1010151935';
    
    Database altered.

    7. 数据文件RECOVER

    SQL> recover datafile 8;
    Media recovery complete.

    8. 表空间联机

    SQL> alter tablespace henry online;
    
    Tablespace altered.
    
    SQL> select name from v$datafile;
    
    NAME
    ------------------------------------------------------
    +ASMSYSTEM/racerp/datafile/system.260.1005224067
    +ASMSYSTEM/racerp/datafile/sysaux.261.1005224093
    +ASMSYSTEM/racerp/datafile/undotbs1.262.1005224115
    +ASMSYSTEM/racerp/datafile/undotbs2.264.1005224141
    +ASMSYSTEM/racerp/datafile/users.265.1005224147
    +ASMDATA/racerp/datafile/test.256.1005234027
    +ASMDATA/racerp/datafile/henry.257.1010151449
    +ASMDATA/racerp/datafile/henry.261.1010151935
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  • 原文地址:https://www.cnblogs.com/askscuti/p/10979354.html
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