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  • Windows系统下Oracle数据库冷备

    一、背景:

       具体的场景是数据库不是普通的OLTP系统,更像是OLAP系统,数据的更新频率很低,在noarchivelog 模式下运行,实时性要求低,但是数据只有一份不能弄丢,需要应付磁盘损坏等情况。这应该是冷备的一个比较好的应用场景。

    二、规划:

      将数据库服务器多挂载一块磁盘。查出Oracle datafile,controlfile,spfile,redologfile,tempfile的具体位置,拼凑出bat命令,在sqlplus上执行。通过windows的任务计划定时调度。

    三、详细步骤:

      1.创建sql脚本:

    set feedback off
    set heading off
    set verify off
    set trimspool off
    set pagesize 0
    set linesize 200
    define dir = 'G:oraclebackupInstanceNamesLUOYIcoolback'
    define script = 'G:oraclebackupInstanceNamesLUOYIcoolbackcoolbak.sql'
    spool &script
    select 'ho copy ' || name || ' &dir' from v$controlfile
    union all
    select 'ho copy ' || name || ' &dir' from v$datafile
    union all
    select 'ho copy ' || member || ' &dir'  from v$logfile
    union all
    select 'ho copy ' || name || ' &dir' from v$tempfile
    /
    create pfile = '&dir/initLUOYI.ora' from spfile;
    spool off
    shutdown immediate
    start &script
    startup
    exit
    /

      2.创建批处理脚本:

    @echo *********************** >>G:oraclebackupInstanceNamescool_back.log
    @echo LUOYI backup is start  >>G:oraclebackupInstanceNamescool_back.log
    @echo %date%  >>G:oraclebackupInstanceNamescool_back.log
    @echo %time%  >>G:oraclebackupInstanceNamescool_back.log
    @echo *********************** >>G:oraclebackupInstanceNamescool_back.log
    
    set ORACLE_SID=LUOYI
    del /S /Q G:oraclebackupInstanceNamesLUOYIcoolback
    sqlplus "/as sysdba" @G:oraclebackupInstanceNamesLUOYILUOYI_cool_backup.sql >>G:oraclebackupInstanceNamescool_back.log
    
    @echo *********************** >>G:oraclebackupInstanceNamescool_back.log
    @echo LUOYI backup is finished >>G:oraclebackupInstanceNamescool_back.log
    @echo %date%  >>G:oraclebackupInstanceNamescool_back.log
    @echo %time%  >>G:oraclebackupInstanceNamescool_back.log
    @echo *********************** >>G:oraclebackupInstanceNamescool_back.log
    
    @echo ------------------------------------------------------------------------

      3.创建任务计划调度。

    ------------------------

    本文整理自网络,并通过测试验证

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  • 原文地址:https://www.cnblogs.com/Alex-Zeng/p/4286185.html
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