Oracle rman 备份一 | 易学教程

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## shell db_incremental_database_backup.sh ##

## author zongziheng ##

## date 2019.06.20 ##

## func The path and date are set as required ##

## use meth ./rmanbackup_lev_sjz.sh BACKUP_DEST ORACLE_HOME ORACLE_SID ##

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#!/bin/ksh

export LANG=en_US

export NLS_LANG=AMERICAN_AMERICA.AL32UTF8

backtime=`date +"20%y%m%d%H%M%S"`

RMAN_BACKUP_DATA_DEST=$1

RMAN_LOG_FILE=${RMAN_BACKUP_DATA_DEST}/rmanback_lev_${backtime}.log

BACKUP_DATE=`date +%d`

TODAY=`date`

CURRENT_USER=`id|cut -d "(" -f2|cut -d ")" -f1`

echo "-----------------$TODAY-------------------">$RMAN_LOG_FILE

export ORACLE_HOME=$2

export RMAN=${ORACLE_HOME}/bin/rman

export ORACLE_SID=$3

export ORACLE_USER=oracle

echo "ORACLE_SID: $ORACLE_SID">>$RMAN_LOG_FILE

echo "ORACLE_HOME:$ORACLE_HOME">>$RMAN_LOG_FILE

echo "ORACLE_USER:$ORACLE_USER">>$RMAN_LOG_FILE

echo "==========================================">>$RMAN_LOG_FILE

echo "BACKUP DATABASE BEGIN......">>$RMAN_LOG_FILE

echo " ">>$RMAN_LOG_FILE

#touch $RMAN_LOG_FILE

chmod 666 $RMAN_LOG_FILE

CURRENT_WEEK_DAILY=`date +%a`

case "$CURRENT_WEEK_DAILY" in

"Mon")

BAK_LEVEL=1

;;

"Tue")

BAK_LEVEL=1

;;

"Wed")

BAK_LEVEL=1

;;

"Thu")

BAK_LEVEL=1

;;

"Fri")

BAK_LEVEL=1

;;

"Sat")

BAK_LEVEL=0

;;

"Sun")

BAK_LEVEL=1

;;

"*")

BAK_LEVEL=error

esac

export BAK_LEVEL=$BAK_LEVEL

echo "Today is : $CURRENT_WEEK_DAILY incremental level= $BAK_LEVEL">>$RMAN_LOG_FILE

RUN_SHELL="

BAK_LEVEL=$BAK_LEVEL

export BAK_LEVEL

ORACLE_HOME=$ORACLE_HOME

export ORACLE_HOME

ORACLE_SID=$ORACLE_SID

export ORACLE_SID

$RMAN nocatalog TARGET sys/oracle msglog $RMAN_LOG_FILE append <<EOF

run

{

allocate channel c1 type disk;

allocate channel c2 type disk;

backup incremental level= $BAK_LEVEL skip inaccessible filesperset 5 Database format='"$RMAN_BACKUP_DATA_DEST"/"$ORACLE_SID"_lev_"$BAK_LEVEL"_%U_%T' tag='"$ORACLE_SID"_lev_"$BAK_LEVEL"';

sql 'alter system archive log current';

backup archivelog all tag='arc_bak' format='"$RMAN_BACKUP_DATA_DEST"/arch_%U_%T' skip inaccessible filesperset 5 not backed up 1 times delete input;

backup current controlfile tag='ctlfile_bak' format='"$RMAN_BACKUP_DATA_DEST"/ctl_file_%U_%T';

backup spfile tag='spfile_bak' format='"$RMAN_BACKUP_DATA_DEST"/spfile_%U_%T';

release channel c2;

release channel c1;

}

report obsolete;

delete noprompt obsolete;

crosscheck backup;

delete noprompt expired backup;

list backup summary;

EOF

# Initiate the command string

if [ "$CUSER" = "root" ]

then

echo "Root Command String: $RUN_SHELL" >> $RMAN_LOG_FILE

su - $ORACLE_USER -c "$RUN_SHELL" >> $RMAN_LOG_FILE

STATUS=$?

else

echo "User Command String: $RUN_SHELL" >> $RMAN_LOG_FILE

/bin/sh -c "$RUN_SHELL" >> $RMAN_LOG_FILE

STATUS=$?

# ---------------------------------------------------------------------------

# Log the completion script.

# ---------------------------------------------------------------------------

if [ "$STATUS" = "0" ]

then

LOGMSG="ended successfully"

else

LOGMSG="ended in error"

echo >> $RMAN_LOG_FILE

echo Script $0 >> $RMAN_LOG_FILE

echo ==== $LOGMSG on `date` ==== >> $RMAN_LOG_FILE

echo >> $RMAN_LOG_FILE

exit $STATUS

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来源：oschina

链接：https://my.oschina.net/u/4377703/blog/4268151

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