简单DG归档日志删除脚本

最近在摆弄DG，由于磁盘资源紧缺，需要一个归档日志处理的策略

网上找了几个脚本，发现写的那么麻烦

毛了，于是简单写了一个，实际路径等可以自己在修改

主库备库都可以用，自己再做crontab就好，建议错开时间进行

需要注意，提前查询DEST_ID，下面这个是主库删除的脚本（备库只需更改dest_id即可），我的主库v$archived_log里，主库的归档dest_id=1,备库是dest_id=2

 

#!/bin/bash

############ easy script by lcrash @ 2011-1-25############
# for delete DG archive log                              #
# you should modify USER_HOME && make sure del_dir exists#
# and you can change your keep date by modify SQL below  #
##########################################################

USER_HOME=/opt/oracle
DEL_DIR=$USER_HOME/del_arch

source $USER_HOME/.bash_profile
$ORACLE_HOME/bin/sqlplus -S "/as sysdba" <<EOF
set heading off
set feedback off
spool /opt/oracle/del_arch/del_arch.list
select 'rm -rf '||name from v\$archived_log
where DEST_ID=1 and SEQUENCE#<(select max(SEQUENCE#) from v\$archived_log where applied='YES') and COMPLETION_TIME<=sysdate-0;
spool off
exit
EOF

cd $DEL_DIR
sed -n '/dbf/p' del_arch.list>del_arch_do.sh
chmod +x del_arch_do.sh
source del_arch_do.sh

rm del_arch.list
mv {,`date +%Y-%m-%d-%H`}del_arch_do.sh


rman target / <<EOF
crosscheck archivelog all;
delete obsolete;
delete noprompt expired archivelog all;
EOF