shell指令碼利用rman實現自動備份資料庫

b     backup path 

l     backup level with 0(full) or 1(incremental) 

s     the user sys pawword 

不利用引數則採用預設，預設備份路徑為：$oracle_base/flash_recovery_area/orcl/backupset  。備份預設級別則為：週日全備，其他增量備份。預設sys密碼為:123456(密碼可在指令碼修改）。自動刪除過期備份。採用自動分配通道進行備份。

#!/bin/bash

#this script is used to backup oracle database with rman
#last time: 2019.2.27
[ $# == 0 ] && echo -e " b     backup path \n l     backup level with 0(full) or 1(incremental) \n s     the user sys pawword "
#: variables setting
while getopts b:l:s: option
do    case "$option" in
b)back_path="$optarg"
;;l)
if[ "$optarg" == 0 ] ;
then
level=0
elif
[ "$optarg" == 1 ] ;
then
level=1
else        echo "this script provide only level "0" or "1" backup"
exit 1
fi;;
s)passwd="$optarg"
;;\?)
echo "-b : the path in which backup files"
echo "-l : rman backup level"
echo "-s : the user sys pawword"
exit 1
;;esac
done
weekday='date +%w'
if [ -z "$back_path" ] ;
then
back_path="$oracle_base"/flash_recovery_area/orcl/backupset
echo -e "warning :: the backup piecies will be stored in $oracle_base/flash_recovery_area/orcl/backupset\n "
fiif [ -z "$level" ] ;
then
if [ "$weekday" == 1 ] ;
then level=0
else level=1
fifiif [ -z "$passwd" ] ;
then
passwd="123456"
fiback_format="$back_path"/db"$level"'_%d_%t_%u'
echo "backup_path: $back_path"
echo "backup_level:" "$level"
echo "backup_format: $back_format"
back_cmd='
runcrosscheck archivelog all;\n
delete noprompt expired archivelog all;\n
report obsolete;\n
delete noprompt obsolete;\n
exit
'#excute rman cmd
echo -e $back_cmd|rman target sys/$passwd
exit

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