Linux下使用crontab进行RMAN备份实验
在crontab中使用，要注意以下几点：
1.要定义环境变量，即使是使用的Oracle用户crontab -e编辑的。source /home/oracle/.bash_profile或者直接将/home/oracle/.bash_profile内容放在备份脚本最前面。
2.然后注意脚本中调用RMAN时要用绝对路径，不然使用crontab无法运行成功。
如：/u01/app/oracle/product/11.2.0/dbhome_1/bin/rman
下面是备份脚本及LINUX中设置crontab
一、备份脚本格式如下：只用了一个备份归档日志的脚本，比全备速度快方便实验。更多脚本参考上一篇博客。
[oracle@oel-01 ~]$ cat archback.sh
#!/bin/sh
#su - oracle
source /home/oracle/.bash_profile
#########back arch test 0704
/u01/app/oracle/product/11.2.0/dbhome_1/bin/rman log /home/oracle/rman-arch`date +%Y%m%d-%H%M`.log <<EOF
connect target /;
run{
backup archivelog all delete input
format '/backup/archlog/arch_%d_%T_%s';
}
exit
二、在LINUX中设置crontab定时任务。在7月4号16点53分执行。
[oracle@oel-01 ~]$ crontab -e
53 16 4 7 * /home/oracle/archback.sh
按SHIFT+ZZ保存和在VI里一样哈哈。这里设置的是7月4号的16点53执行。
[oracle@oel-01 ~]$ crontab -l
53 16 4 7 * /home/oracle/archback.sh
[oracle@oel-01 ~]$
这样就可以了。
三、使用archback.sh 脚本生成的日志：
[oracle@oel-01 ~]$ ls -al rman-arch20130704-1653.log
-rw-r--r-- 1 oracle oinstall 1246 Jul 4 16:53 rman-arch20130704-1653.log
[oracle@oel-01 ~]$ cat rman-arch20130704-1653.log
Recovery Manager: Release 11.2.0.1.0 - Production on Thu Jul 4 16:53:01 2013
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
RMAN>
connected to target database: BYS001 (DBID=2041679290)
RMAN> 2> 3> 4>
Starting backup at 04-JUL-13
current log archived
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=41 device type=DISK
channel ORA_DISK_1: starting archived log backup set
channel ORA_DISK_1: specifying archived log(s) in backup set
input archived log thread=1 sequence=19 RECID=111 STAMP=819910382
channel ORA_DISK_1: starting piece 1 at 04-JUL-13
channel ORA_DISK_1: finished piece 1 at 04-JUL-13
piece handle=/backup/archlog/arch_BYS001_20130704_119 tag=TAG20130704T165302 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:03
channel ORA_DISK_1: deleting archived log(s)
archived log file name=/u01/app/oracle/archbys001/arch_19_1_818895125.arc RECID=111 STAMP=819910382
Finished backup at 04-JUL-13
Starting Control File and SPFILE Autobackup at 04-JUL-13
piece handle=/backup/ctl_c-2041679290-20130704-04 comment=NONE
Finished Control File and SPFILE Autobackup at 04-JUL-13
RMAN>
Recovery Manager complete.
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