Oracle 的手动冷备份
Oracle 的手动冷备份,使用脚本手工备份数据库的datafile,redo log file,control file到指定目录
使用脚本手工备份数据库的datafile,redo log file,control file到指定目录
OS的版本:
[Oracle@sam tmp]$ cat /proc/version
Linux version 2.6.18-274.el5 (mockbuild@builder10.CentOS.org) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-50)) #1 SMP Fri Jul 22 04:49:12 EDT 2011
数据库版本:
SQL> select * from v$version;
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
PL/SQL Release 11.2.0.1.0 - Production
CORE 11.2.0.1.0 Production
TNS for Linux: Version 11.2.0.1.0 - Production
NLSRTL Version 11.2.0.1.0 - Production
在/tmp 目录下编写脚本
-- 设置sqlplus环境
set feedback off heading off verify off trimspool off
set pagesize 0 linesize 200
--指定备份文件存放在哪个目录
define dir='/tmp/wb'
--告知数据库调用何处的脚本进行备份
define ws='/tmp/ws.sql'
--把以下的select输出存放在ws指定的文件中
spool &ws
select '!cp ' ||name || ' &dir' from v$datafile;
select '!cp ' ||name || ' &dir' from v$controlfile;
select '!cp ' ||name || ' &dir' from v$tempfile;
select '!cp ' ||member || ' &dir' from v$logfile;
spool off
--因为是冷备,所以关闭数据库。注意是干净地关闭数据库,不是abort。
shutdown immediate
--调用spool输出在ws中的脚本。此过程是对三类文件的拷贝。文件大小不同,耗时会有不同
@&ws
startup
set feedback on heading on verify on trimspool on
待脚本执行完成后,,该次冷备完成。

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