Oracle删除归档日志及添加定时任务

# 切换至oracle用户
su – oracle

# 使用RMAN工具，删除失效的归档日志
rman

# 使用target命令连接本地数据库
RMAN> connect target /

RMAN> crosscheck archivelog all;

# 删除状态为expired（失效/不可用）的归档日志
RMAN> delete expired archivelog all;

# 删除 3 天前的归档日志：
RMAN> delete archivelog all completed before 'sysdate-3';
# 删除 1 天前
RMAN> delete archivelog until time 'sysdate-1'

# 退出RMAN
RMAN> exit

#!/bin/bash
BACK_DIR=/home/oracle/clear_archlog/data
export DATE=`date +%F`
mkdir -p $BACK_DIR/$DATE
touch $BACK_DIR/$DATE/rman_backup.log
echo "--------------------------------`date`-------------------------------"
source ~/.bash_profile 
# 记录日志rman_backup.log 可以后期检查是否执行成功
rman target / >> $BACK_DIR/$DATE/rman_backup.log <<EOF             
# 把无效的expired的archivelog标出来
crosscheck archivelog all;
# 直接全部删除过期的归档日志
#delete noprompt expired archivelog all;
# 直接删除7天前所有的归档日志
delete noprompt archivelog all completed before 'sysdate-7';
exit
EOF
echo -e "\n"
echo "------------------------------ FINISHED ----------------------------"

#授予执行权限
chmod +x archivelog_clear.sh

./archivelog_clear.sh

30 3 15 * *   /home/oracle/archivelog_clear.sh

crontab -l