zoukankan      html  css  js  c++  java
  • 使用create datafile... as ...迁移数据文件到裸设备

    下面是一个测试过程

    1。首先创建裸设备:
    root@ultra66 # cd /opt/app/oradata/test             
    root@ultra66 # ls
    control01.ctl  control03.ctl  redo04.log     system01.dbf   tools01.dbf    users01.dbf
    control02.ctl  indx01.dbf     redo05.log     temp01.dbf     undotbs01.dbf
    root@ultra66 # ln -s /dev/rdsk/c0t0d0s3 hts.dbf
    root@ultra66 # ls -l
    total 747634
    -rw-r-----   1 oracle   oinstall 1613824 May 26 08:46 control01.ctl
    -rw-r-----   1 oracle   oinstall 1613824 May 26 08:46 control02.ctl
    -rw-r-----   1 oracle   oinstall 1613824 May 26 08:46 control03.ctl
    lrwxrwxrwx   1 root     other         18 May 26 08:46 hts.dbf -> /dev/rdsk/c0t0d0s3
    -rw-r-----   1 oracle   oinstall 15736832 May 26 07:05 indx01.dbf
    -rw-r-----   1 oracle   oinstall 10486272 May 26 07:05 redo04.log
    -rw-r-----   1 oracle   oinstall 10486272 May 26 08:45 redo05.log
    -rw-r-----   1 oracle   oinstall 199237632 May 26 08:14 system01.dbf
    -rw-r-----   1 oracle   oinstall 10493952 May 26 06:50 temp01.dbf
    -rw-r-----   1 oracle   oinstall 10493952 May 26 07:05 tools01.dbf
    -rw-r-----   1 oracle   oinstall 104865792 May 26 08:44 undotbs01.dbf
    -rw-r-----   1 oracle   oinstall 26222592 May 26 07:05 users01.dbf
    2。创建一个表空间作为实验文件
    root@ultra66 # su - oracle
    Sun Microsystems Inc.   SunOS 5.8       Generic Patch   February 2004
    You have new mail.
    ultra66% sqlplus /nolog

    SQL*Plus: Release 9.2.0.1.0 - Production on 星期四 5月 26 08:47:18 2005

    Copyright (c) 1982, 2002, Oracle Corporation.  All rights reserved.

    SQL> conn /as sysdba
    Connected.

    SQL> create tablespace test datafile '/opt/app/oradata/test/ht1.dbf' size 6M;

    Tablespace created.

    3。使用alter database create datafile ... as ...来迁移,首先要把datafile offline

    SQL> alter database create datafile '/opt/app/oradata/test/ht1.dbf' as '/opt/app/oradata/test/hts.dbf';
    alter database create datafile '/opt/app/oradata/test/ht1.dbf' as '/opt/app/oradata/test/hts.dbf'
    *
    ERROR at line 1:
    ORA-01182: cannot create database file 6 - file is in use or recovery
    ORA-01110: data file 6: '/opt/app/oradata/test/ht1.dbf'


    SQL> alter database datafile '/opt/app/oradata/test/ht1.dbf' offline;
    alter database datafile '/opt/app/oradata/test/ht1.dbf' offline
    *
    ERROR at line 1:
    ORA-01145: offline immediate disallowed unless media recovery enabled

    SQL> alter tablespace test offline;

    Tablespace altered.

    SQL> alter database create datafile '/opt/app/oradata/test/ht1.dbf' as '/opt/app/oradata/test/hts.dbf';

    Database altered.

    4。检查一下

    SQL> select name from v$datafile;

    NAME
    --------------------------------------------------------------------------------
    /opt/app/oradata/test/system01.dbf
    /opt/app/oradata/test/undotbs01.dbf
    /opt/app/oradata/test/indx01.dbf
    /opt/app/oradata/test/tools01.dbf
    /opt/app/oradata/test/users01.dbf
    /opt/app/oradata/test/hts.dbf

    6 rows selected.

    5。把表空间online,需要首先recover

    SQL> alter tablespace test online;
    alter tablespace test online
    *
    ERROR at line 1:
    ORA-01113: file 6 needs media recovery
    ORA-01110: data file 6: '/opt/app/oradata/test/hts.dbf'

    SQL> alter database recover datafile 6;

    Database altered.

    SQL> alter tablespace test online;

    Tablespace altered.

    SQL>

    6。ok,完成

     
  • 相关阅读:
    必知必会 | Android 性能优化的方面方面都在这儿
    上周热点回顾(1.19-1.25)团队
    上周热点回顾(1.12-1.18)团队
    如何在博客园的markdown编辑器中输入数学公式团队
    上周热点回顾(1.5-1.11)团队
    上周热点回顾(12.29-1.4)团队
    上周热点回顾(12.22-12.28)团队
    云计算之路-阿里云上-寒流来袭:2014年12月23日21:45-23:15网站故障团队
    上周热点回顾(12.15-12.21)团队
    【活动】加班一整年了,程序员们,你们还好吗?团队
  • 原文地址:https://www.cnblogs.com/hllnj2008/p/5242964.html
Copyright © 2011-2022 走看看