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  • 【Wonder原创】RMAN实践二DB迁移

    背景说明:

    VM:Linux-wonder这台机安装完Oracle,有名字为TEST的DB
    VM:Linux-RMAN是另外一台机,安装了Oracle软件,没创建DB

    目标:将linux-wonder 上TEST这个DB迁移到 Linux-RMAN

    以下为实践记录:

    Linux-RMAN这台机上新建目录
    1、新建目录,以下在Oracle系统用户下操作
    cd
    mkdir rmanbak
    cd admin
    mkdir TEST 【TEST为DB名称】
    cd TEST
    mkdir adump bdump cdump udump
    cd oradata
    mkdir TEST

    linux-wonder这台机上做备份等操作:

    2、RMAN备份
    RMAN> backup database format '/u01/app/oracle/backup/full/full%u_%s_%p' plus archivelog format

    '/u01/app/oracle/backup/full/arv%u_%s_%p' delete input;

    备份得到如下文件:

    /u01/app/oracle/backup/full/arv0blnb88l_11_1
    /u01/app/oracle/backup/full/arv0dlnb8bn_13_1
    /u01/app/oracle/backup/full/full0clnb88n_12_1
    /u01/app/oracle/flash_recovery_area/TEST/autobackup/2010_09_07/o1_mf_s_729129337_68dr3tjl_.bkp

    3、传送文件到 linux-RMAN这台机,以下在 oracle 系统用户下操作

    cd /u01/app/oracle/backup/full

    scp arv0blnb88l_11_1 arv0dlnb8bn_13_1 full0clnb88n_12_1 oracle@10.91.53.26:/u01/app/oracle/rmanbak

    cd /u01/app/oracle/flash_recovery_area/TEST/autobackup/2010_09_07/
    scp o1_mf_s_729129337_68dr3tjl_.bkp oracle@10.91.53.26:/u01/app/oracle/rmanbak

    cd /u01/app/oracle/oradata/TEST
    scp redo0[1-3].log oracle@10.91.53.26:/u01/app/oracle/oradata/TEST

    【传送spfile,可选】
    cd $ORACLE_HOME/dbs
    scp initTEST.ora oracle@10.91.53.26:/u01/app/oracle/product/10.2.0/db_1/dbs

    linux-DG这台机上的操作:
    4、创建spfile,若没有传送spfile,需要如下操作,否则略过
    cd $ORACLE_HOME/dbs
    cp initdtserp.ora initTEST.ora
    vi initTEST.ora 【将dtserp 替换为TEST,检查各路径是否正确】
    export ORACLE_SID=TEST
    SQL>create pfile from spfile;

    4、恢复Control file
    export ORACLE_SID=TEST
    SQL>startup nomount pfile='/u01/app/oracle/product/10.2.0/db_1/dbs/initTEST.ora';

    SQL> shutdown immediate;
    SQL> startup nomount;
    RMAN> restore controlfile from '/u01/app/oracle/rmanbak/o1_mf_s_729129337_68dr3tjl_.bkp';

    5、恢复数据

    SQL> alter database mount;
    RMAN> catalog start with '/u01/app/oracle/rmanbak/arv0blnb88l_11_1';
    RMAN> catalog start with '/u01/app/oracle/rmanbak/arv0dlnb8bn_13_1' ;
    RMAN> catalog start with '/u01/app/oracle/rmanbak/full0clnb88n_12_1';
    RMAN> catalog start with '/u01/app/oracle/rmanbak/o1_mf_s_729129337_68dr3tjl_.bkp';

    RMAN> list backup; 【查看是否能找到RMAN备份记录】
    RMAN> restore database;
    RMAN> restore archivelog all; 【手动恢复日志】

    【以下可能需要多试几次,分别使用redo01.log redo02.log redo03.log】
    SQL> recover database using backup controlfile until cancel;
    输入:/u01/app/oracle/oradata/TEST/redo01.log

    【以下可能需要多试几次,分别使用redo01.log redo02.log redo03.log】
    SQL> recover database using backup controlfile;
    输入:/u01/app/oracle/oradata/TEST/redo01.log

    SQL> alter database open resetlogs;

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  • 原文地址:https://www.cnblogs.com/wonder315/p/1823197.html
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