Oracle rman 备份一

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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  ##

#!/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")

       "wed")

       "thu")

       "fri")

       "sat")

            bak_level=0

       "sun")

       "*")

            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

fi

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

# log the completion script.

if [ "$status" = "0" ]

    logmsg="ended successfully"

    logmsg="ended in error"

echo >> $rman_log_file

echo script $0 >> $rman_log_file

echo ==== $logmsg on `date` ==== >> $rman_log_file

exit $status