oracle9i備份腳本:
全備(level 0):bash-3.00$ more ora9i_rman_bak.sh | grep -v "#"
CUSER=`id |cut -d"(" -f2 | cut -d ")" -f1`
RMAN_LOG_FILE=${0}.out
if [ -f "$RMAN_LOG_FILE" ]
then
rm -f "$RMAN_LOG_FILE"
fi
echo >> $RMAN_LOG_FILE
chmod 666 $RMAN_LOG_FILE
echo Script $0 >> $RMAN_LOG_FILE
echo ==== started on `date` ==== >> $RMAN_LOG_FILE
echo >> $RMAN_LOG_FILE
ORACLE_HOME=/orahome/oracle/product/9.2.0
export ORACLE_HOME
ORACLE_SID=bims
export ORACLE_SID
ORACLE_USER=oracle
TARGET_CONNECT_STR=/
RMAN=$ORACLE_HOME/bin/rman
echo >> $RMAN_LOG_FILE
echo "RMAN: $RMAN" >> $RMAN_LOG_FILE
echo "ORACLE_SID: $ORACLE_SID" >> $RMAN_LOG_FILE
echo "ORACLE_USER: $ORACLE_USER" >> $RMAN_LOG_FILE
echo "ORACLE_HOME: $ORACLE_HOME" >> $RMAN_LOG_FILE
echo >> $RMAN_LOG_FILE
echo "NB_ORA_FULL: $NB_ORA_FULL" >> $RMAN_LOG_FILE
echo "NB_ORA_INCR: $NB_ORA_INCR" >> $RMAN_LOG_FILE
echo "NB_ORA_CINC: $NB_ORA_CINC" >> $RMAN_LOG_FILE
echo "NB_ORA_SERV: $NB_ORA_SERV" >> $RMAN_LOG_FILE
echo "NB_ORA_POLICY: $NB_ORA_POLICY" >> $RMAN_LOG_FILE
echo >> $RMAN_LOG_FILE
if [ "$NB_ORA_FULL" = "1" ]
then
echo "Full backup requested" >> $RMAN_LOG_FILE
BACKUP_TYPE="INCREMENTAL LEVEL=0"
elif [ "$NB_ORA_INCR" = "1" ]
then
echo "Differential incremental backup requested" >> $RMAN_LOG_FILE
BACKUP_TYPE="INCREMENTAL LEVEL=1"
elif [ "$NB_ORA_CINC" = "1" ]
then
echo "Cumulative incremental backup requested" >> $RMAN_LOG_FILE
BACKUP_TYPE="INCREMENTAL LEVEL=1 CUMULATIVE"
elif [ "$BACKUP_TYPE" = "" ]
then
echo "Default - Full backup requested" >> $RMAN_LOG_FILE
BACKUP_TYPE="INCREMENTAL LEVEL=0"
fi
CMD_STR="
ORACLE_HOME=$ORACLE_HOME
export ORACLE_HOME
ORACLE_SID=$ORACLE_SID
export ORACLE_SID
NLS_DATE_FORMAT='yyyy-mm-dd hh24:mi:ss'
export NLS_DATE_FORMAT
$RMAN target $TARGET_CONNECT_STR nocatalog msglog $RMAN_LOG_FILE append << EOF
crosscheck archivelog all;
delete noprompt expired archivelog all;
RUN {
ALLOCATE CHANNEL ch00 TYPE disk;
ALLOCATE CHANNEL ch01 TYPE disk;
ALLOCATE CHANNEL ch02 TYPE disk;
ALLOCATE CHANNEL ch03 TYPE disk;
BACKUP
$BACKUP_TYPE
SKIP INACCESSIBLE
TAG hot_db_bk_level0
FILESPERSET 5
FORMAT '/orahomebak/backup/database/bk_%s_%p_%t'
DATABASE;
sql 'alter system archive log current';
RELEASE CHANNEL ch00;
RELEASE CHANNEL ch01;
RELEASE CHANNEL ch02;
RELEASE CHANNEL ch03;
ALLOCATE CHANNEL ch00 TYPE disk;
ALLOCATE CHANNEL ch01 TYPE disk;
BACKUP
filesperset 20
FORMAT '/orahomebak/backup/arch/al_%s_%p_%t'
ARCHIVELOG ALL DELETE INPUT;
RELEASE CHANNEL ch00;
RELEASE CHANNEL ch01;
ALLOCATE CHANNEL ch00 TYPE disk;
BACKUP
FORMAT '/orahomebak/backup/database/cntrl_%s_%p_%t'
CURRENT CONTROLFILE;
RELEASE CHANNEL ch00;
}
EOF
"
if [ "$CUSER" = "root" ]
then
su - $ORACLE_USER -c "$CMD_STR" >> $RMAN_LOG_FILE
RSTAT=$?
else
/usr/bin/sh -c "$CMD_STR" >> $RMAN_LOG_FILE
RSTAT=$?
fi
if [ "$RSTAT" = "0" ]
then
LOGMSG="ended successfully"
else
LOGMSG="ended in error"
fi
echo >> $RMAN_LOG_FILE
echo Script $0 >> $RMAN_LOG_FILE
echo ==== $LOGMSG on `date` ==== >> $RMAN_LOG_FILE
echo >> $RMAN_LOG_FILE
exit $RSTAT
Differential incremental backup(level 1):
bash-3.00$ more ora9i_rman_bak.sh | grep -v "#"
CUSER=`id |cut -d"(" -f2 | cut -d ")" -f1`
RMAN_LOG_FILE=${0}.out
if [ -f "$RMAN_LOG_FILE" ]
then
rm -f "$RMAN_LOG_FILE"
fi
echo >> $RMAN_LOG_FILE
chmod 666 $RMAN_LOG_FILE
echo Script $0 >> $RMAN_LOG_FILE
echo ==== started on `date` ==== >> $RMAN_LOG_FILE
echo >> $RMAN_LOG_FILE
ORACLE_HOME=/orahome/oracle/product/9.2.0
export ORACLE_HOME
ORACLE_SID=bims
export ORACLE_SID
ORACLE_USER=oracle
TARGET_CONNECT_STR=/
RMAN=$ORACLE_HOME/bin/rman
echo >> $RMAN_LOG_FILE
echo "RMAN: $RMAN" >> $RMAN_LOG_FILE
echo "ORACLE_SID: $ORACLE_SID" >> $RMAN_LOG_FILE
echo "ORACLE_USER: $ORACLE_USER" >> $RMAN_LOG_FILE
echo "ORACLE_HOME: $ORACLE_HOME" >> $RMAN_LOG_FILE
echo >> $RMAN_LOG_FILE
echo "NB_ORA_FULL: $NB_ORA_FULL" >> $RMAN_LOG_FILE
echo "NB_ORA_INCR: $NB_ORA_INCR" >> $RMAN_LOG_FILE
echo "NB_ORA_CINC: $NB_ORA_CINC" >> $RMAN_LOG_FILE
echo "NB_ORA_SERV: $NB_ORA_SERV" >> $RMAN_LOG_FILE
echo "NB_ORA_POLICY: $NB_ORA_POLICY" >> $RMAN_LOG_FILE
echo >> $RMAN_LOG_FILE
echo "Differential incremental backup requested" >> $RMAN_LOG_FILE
CMD_STR="
ORACLE_HOME=$ORACLE_HOME
export ORACLE_HOME
ORACLE_SID=$ORACLE_SID
export ORACLE_SID
NLS_DATE_FORMAT='yyyy-mm-dd hh24:mi:ss'
export NLS_DATE_FORMAT
$RMAN target $TARGET_CONNECT_STR nocatalog msglog $RMAN_LOG_FILE append << EOF
crosscheck archivelog all;
delete noprompt expired archivelog all;
RUN {
ALLOCATE CHANNEL ch00 TYPE disk;
ALLOCATE CHANNEL ch01 TYPE disk;
ALLOCATE CHANNEL ch02 TYPE disk;
ALLOCATE CHANNEL ch03 TYPE disk;
BACKUP
INCREMENTAL LEVEL 1
SKIP INACCESSIBLE
TAG hot_db_bk_level1
FILESPERSET 5
FORMAT '/orahomebak/backup/database/bk_%s_%p_%t'
DATABASE;
sql 'alter system archive log current';
RELEASE CHANNEL ch00;
RELEASE CHANNEL ch01;
RELEASE CHANNEL ch02;
RELEASE CHANNEL ch03;
ALLOCATE CHANNEL ch00 TYPE disk;
ALLOCATE CHANNEL ch01 TYPE disk;
BACKUP
filesperset 20
FORMAT '/orahomebak/backup/arch/al_%s_%p_%t'
ARCHIVELOG ALL DELETE INPUT;
RELEASE CHANNEL ch00;
RELEASE CHANNEL ch01;
ALLOCATE CHANNEL ch00 TYPE disk;
BACKUP
FORMAT '/orahomebak/backup/database/cntrl_%s_%p_%t'
CURRENT CONTROLFILE;
RELEASE CHANNEL ch00;
}
EOF
"
if [ "$CUSER" = "root" ]
then
su - $ORACLE_USER -c "$CMD_STR" >> $RMAN_LOG_FILE
RSTAT=$?
else
/usr/bin/sh -c "$CMD_STR" >> $RMAN_LOG_FILE
RSTAT=$?
fi
if [ "$RSTAT" = "0" ]
then
LOGMSG="ended successfully"
else
LOGMSG="ended in error"
fi
echo >> $RMAN_LOG_FILE
echo Script $0 >> $RMAN_LOG_FILE
echo ==== $LOGMSG on `date` ==== >> $RMAN_LOG_FILE
echo >> $RMAN_LOG_FILE
exit $RSTAT
現有腳本
[root@jysh ~]# crontab -l
40 15 * * * su - oracle -c /home/oracle/exp.sh 2>&1 >>/home/oracle/script_exp.log
[root@jysh ~]# cat /home/oracle/exp.sh
rq=$(date +%Y%m%d)
export NLS_LANG=AMERICAN_AMERICA.ZHS16GBK
echo $NLS_LANG
echo 'rq--->' $rq
exp system/***** owner=jysh file=/home/oracle/dbbak/jysh$rq.dmp log=/home/oracle/dbbak/jysh$rq.log
經過查驗目前備份結果以及數據庫文件均放置在/home分區下,且/home分區僅有90G空間.且備份策略中並無刪除歷史記錄的功能.建議對策略及備份路徑進行調整,備份放置在/opt目錄下,此目錄空間可達200G.
同時修改crontab腳本,調整備份時間以及備份頻率,週期等.
文章來源：http://blog.chinaunix.net/uid-26313110-id-5211993.html