Oracle自动化备份脚本

Oracle 日常RMAN备份脚本，很基础。但是对于多个需要备份的Oracle数据库，可以很简单实施，并利于后期批量状态的查询。

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备份脚本，基于linux，windows环境需要适当修改。
主脚本，会调用2,3步骤的rman.sql&status.sql

$ more main.sh
#set env
#########################Change the below parameter for the different server##################
export host_ip=172.16.32.115
export instance_name=liang
export username=liang
export password=liang
export syspsw=oracle
export backup_home=/home/oracle/bk
export ORACLE_HOME=/home/oracle/app/oracle/product/11.2.0/dbhome_1
export PATH=$PATH:$ORACLE_HOME/db_1/bin:/sbin:/usr/sbin
#####################################################################################
export curTime=$(date "+%Y%m%d")
mkdir $backup_home/ftp/$curTime
echo "-----------------------------RMAN start-----------------------------";date
#backup start
cd $backup_home
$ORACLE_HOME/bin/rman target sys/$syspsw@$host_ip:1521/$instance_name cmdfile='rman.sql'
echo "------------------------------RMAN End------------------------------";date
sleep 10
echo "------------------------------SQL Start------------------------------";date
$ORACLE_HOME/bin/sqlplus $username/$password@$host_ip:1521/$instance_name @status.sql
echo "------------------------------END-----------------------------";date

RMAN备份sql脚本

[oracle@test bk]$ more rman.sql
run
{
ALLOCATE CHANNEL node_c1 DEVICE TYPE DISK MAXPIECESIZE=5G;
ALLOCATE CHANNEL node_c2 DEVICE TYPE DISK MAXPIECESIZE=5G;
backup as compressed backupset database format 'C:\ftp\uploadfile\db_%U.bak_%T';
sql 'alter system switch logfile';
CROSSCHECK ARCHIVELOG ALL;
backup as compressed backupset archivelog all format 'C:\ftp\uploadfile\archivelog_%d_%s_%p_%T' not backed up 2 times;
backup spfile format 'C:\ftp\uploadfile\spfile_%U_%T';
backup current controlfile format 'C:\ftp\uploadfile\controlfile_%d_%s_%p_%I_%u_%T';
sql 'alter system switch logfile';
CROSSCHECK BACKUP;
CROSSCHECK COPY;
delete noprompt archivelog all completed before 'sysdate-7';
release channel node_c1;
release channel node_c2;
}

查询备份状态的脚本,并将查询信息打印到日志，方便查询。

$ more status.sql
----每日归档产生量,可以判断数据库是否繁忙
spool $backup_home/redo_switch.log;
set echo off
set feedback off
set colsep ','
set pagesize 2000
set term off
set heading off
set line 400
col Count for 9999
col GB for 99999
select
d.dbid,
to_char(trunc(completion_time),'yyyy-mm-dd') as "Date"
,count(*) as "Count"
,substr((sum(blocks*block_size))/1024/1024/1024,0,4) as "GB"
from v$archived_log,v$database d
group by trunc(completion_time),d.dbid;
spool off;
---查询表空间使用率
spool $backup_home/tablepace_usage.log;
set echo off
set feedback off
set colsep ','
set pagesize 2000
set term off
set heading off
set line 400
col startup_time for a20
col status for a6
col tablespace_name for a20
col total_mb for 99999999
col used_mb for 99999999
col used_pct for a10
select
d.dbid,
to_char(b.STARTUP_TIME,'yyyy-mm-dd-hh34-mi-ss') as startup_time,
b.status,
total.tablespace_name,
round(total.MB, 2) as Total_MB,
round(total.MB - free.MB, 2) as Used_MB,
round((1 - free.MB / total.MB) * 100, 2) || '%' as Used_Pct
from (select tablespace_name, sum(bytes) / 1024 / 1024 as MB
from dba_free_space
group by tablespace_name) free,
(select tablespace_name, sum(bytes) / 1024 / 1024 as MB
from dba_data_files
group by tablespace_name) total, v$instance b, v$database d
where free.tablespace_name = total.tablespace_name;
spool off;
--- 查看近7天备份情况
spool /home/oracle/bk/log/rman.log;
set echo off
set feedback off
set colsep ','
set pagesize 2000
set term off
set heading off
set line 202000
col DBID for 9999999999
col status for a25
col type for a12
col  start_time for a22
col  Finish_time for a22
col in_sec for a12
col out_sec for a12
col command for a8
col  INPUT_M for 99999
col  OUTPUT_M for 99999
col obj_type for a15
select d.DBID as DBID,
s.status as status,
b.INPUT_TYPE as type,
to_char(b.START_TIME,'yyyy-mm-dd hh34:mi:ss') as start_time,
to_char(b.end_time, 'yyyy-mm-dd hh34:mi:ss') as  Finish_time,
b.INPUT_BYTES_PER_SEC_DISPLAY in_sec,
b.OUTPUT_BYTES_PER_SEC_DISPLAY out_sec,
s.OPERATION as command,
trunc(s.INPUT_BYTES/1024/1024,2) as INPUT_M,
trunc(s.OUTPUT_BYTES/1024/1024,2) as OUTPUT_M,
s.OBJECT_TYPE as obj_type
from v$rman_status s,v$rman_backup_job_details b, v$database d
where to_char(s.START_TIME, 'yyyy-mm-dd hh34:mi:ss') < to_char(sysdate,'yyyy-mm-dd hh34:mi:ss')
and to_char(s.END_TIME, 'yyyy-mm-dd hh34:mi:ss') > to_char(sysdate-7,'yyyy-mm-dd hh34:mi:ss')
and s.COMMAND_ID=b.COMMAND_ID
order by s.START_TIME desc ;
spool off;
exit;

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