Script completo de RMAN

Este script fue creado por Juan Vivas y proporciona un abanico de posibilidades para hacer Backup según la situación en donde nos encontremos con respecto a nuestra base de datos.


#!/sbin/sh
################################################################################
# AUTHOR : JUAN MANUEL VIVAS #
# CREATED: 23/12/2008 #
# PROGRAM: rman_weekly.sh #
# PURPOSE: Performs a LEVEL 0 + ARCHIVELOG backup. #
# Database should be online. #
# USAGE : rman_backup SID [WEEKLY|DAILY|EMERGENCY] [ARCH|NOARCH] #
################################################################################

#------------------------------------------------------------------------------#
# fn_backup_E_arch(): ARCHIVELOG BACKUP #
#------------------------------------------------------------------------------#
fn_backup_E_arch() {

rman target=/ log=${LOGFILE} append <<>
RUN {

CROSSCHECK ARCHIVELOG ALL;
BACKUP ARCHIVELOG ALL
FILESPERSET 10
TAG = 'ARC_E_$mes$dia'
FORMAT '${BKPDIR}/archivelog/arc_%d_%T_s%sp%p.%t'
DELETE ALL INPUT;
SQL 'ALTER SYSTEM SWITCH LOGFILE';

#*** Maintenance steps
CROSSCHECK ARCHIVELOG ALL;
DELETE NOPROMPT OBSOLETE;
DELETE NOPROMPT EXPIRED COPY;
DELETE NOPROMPT EXPIRED BACKUP;
DELETE NOPROMPT EXPIRED ARCHIVELOG ALL;

}
EXIT;
EOF

}

#------------------------------------------------------------------------------#
# fn_backup_l0_arch(): Perform LEVEL 0 + ARCHIVELOG BACKUP #
#------------------------------------------------------------------------------#
fn_backup_l0_arch() {

rman target=/ log=${LOGFILE} append <<>
RUN {

CROSSCHECK ARCHIVELOG ALL;
#*** Weekly full database plus archivelog backup
BACKUP CHECK LOGICAL
AS COMPRESSED BACKUPSET
INCREMENTAL LEVEL = 0
TAG = 'DBF_W_$mes$dia'
FORMAT '${BKPDIR}/backupset/dbf_%d_%T_s%sp%p.%t'
DATABASE;

#*** Weekly full archivelog backup
change archivelog all validate;
sql 'ALTER SYSTEM ARCHIVE LOG CURRENT';

BACKUP CHECK LOGICAL
AS COMPRESSED BACKUPSET
INCREMENTAL LEVEL = 0
TAG = 'ARC_W_$mes$dia'
FORMAT '${BKPDIR}/archivelog/arc_%d_%T_s%sp%p.%t'
ARCHIVELOG FROM TIME 'SYSDATE-7';

DELETE NOPROMPT BACKUP COMPLETED BEFORE 'SYSDATE-10' DEVICE TYPE DISK;
DELETE NOPROMPT ARCHIVELOG UNTIL TIME 'SYSDATE-7';

#*** Maintenance steps
CROSSCHECK BACKUP;
CROSSCHECK ARCHIVELOG ALL;
DELETE NOPROMPT OBSOLETE;
DELETE NOPROMPT EXPIRED COPY;
DELETE NOPROMPT EXPIRED BACKUP;
DELETE NOPROMPT EXPIRED ARCHIVELOG ALL;

}
EXIT;
EOF

}
#------------------------------------------------------------------------------#
# fn_backup_l0_noarch(): Perform LEVEL 0 + NOARCHIVELOG MODE #
#------------------------------------------------------------------------------#
fn_backup_l0_noarch() {

rman target=/ log=${LOGFILE} append <<>
RUN {
#*** shutdown database
SHUTDOWN IMMEDIATE;
STARTUP MOUNT;

#*** Weekly full database
BACKUP CHECK LOGICAL
AS COMPRESSED BACKUPSET
INCREMENTAL LEVEL = 0
TAG = 'DBF_W_$mes$dia'
FORMAT '${BKPDIR}/backupset/dbf_%d_%T_s%sp%p.%t'
DATABASE;

#*** Maintenance steps
DELETE NOPROMPT BACKUP COMPLETED BEFORE 'SYSDATE-10' DEVICE TYPE DISK;
CROSSCHECK BACKUP;
DELETE NOPROMPT OBSOLETE;
DELETE NOPROMPT EXPIRED COPY;
DELETE NOPROMPT EXPIRED BACKUP;

#*** Open database
ALTER DATABASE OPEN;

}
EXIT;
EOF

}

#------------------------------------------------------------------------------#
# fn_backup_l1_arch(): Perform LEVEL 1 + ARCHIVELOG BACKUP #
#------------------------------------------------------------------------------#
fn_backup_l1_arch() {

rman target=/ log=${LOGFILE} append <<>
RUN {
#*** Daily full database backup

BACKUP CHECK LOGICAL
AS COMPRESSED BACKUPSET
INCREMENTAL LEVEL = 1
DATABASE
FORMAT '${BKPDIR}/backupset/dbf_%d_%T_s%sp%p.%t'
TAG='DBF_D_$mes$dia';

#*** Daily full archivelog backup

change archivelog all validate;
sql 'ALTER SYSTEM ARCHIVE LOG CURRENT';
BACKUP CHECK LOGICAL
AS COMPRESSED BACKUPSET
INCREMENTAL LEVEL = 1
FORMAT '${BKPDIR}/archivelog/arc_%d_%T_s%sp%p.%t'
TAG='ARC_D_$mes$dia'
ARCHIVELOG FROM TIME 'SYSDATE-3';

#*** Maintenance steps

CROSSCHECK BACKUP;
CROSSCHECK ARCHIVELOG ALL;
DELETE NOPROMPT OBSOLETE;
DELETE NOPROMPT EXPIRED BACKUP;
DELETE NOPROMPT EXPIRED ARCHIVELOG ALL;
DELETE NOPROMPT ARCHIVELOG UNTIL TIME 'SYSDATE-7';
}
EXIT;
EOF

}



#------------------------------------------------------------------------------#
# fn_backup_l1_noarch(): Perform LEVEL 1 + NOARCHIVELOG BACKUP #
#------------------------------------------------------------------------------#
fn_backup_l1_noarch() {

rman target=/ log=${LOGFILE} append <<>
RUN {
#*** shutdown database

SHUTDOWN IMMEDIATE;
STARTUP MOUNT;

#*** Daily full database backup

BACKUP CHECK LOGICAL
AS COMPRESSED BACKUPSET
INCREMENTAL LEVEL = 1
DATABASE
FORMAT '${BKPDIR}/backupset/dbf_%d_%T_s%sp%p.%t'
TAG='DBF_D_$mes$dia';

#*** Maintenance steps

CROSSCHECK BACKUP;
DELETE NOPROMPT OBSOLETE;
DELETE NOPROMPT EXPIRED BACKUP;

#*** Open database

ALTER DATABASE OPEN;
}
EXIT;
EOF

}
#------------------------------------------------------------------------------#
# fn_chk_parm(): Check for input parameters
#------------------------------------------------------------------------------#
fn_chk_parm() {
if [ ${NARG} -ne 3 ]; then
echo "BACKUP: ${ORACLE_SID}, Not enough arguments passed"
exit 1
fi
}


#------------------------------------------------------------------------------#
# fn_log(): log messages
#------------------------------------------------------------------------------#
fn_log() {
dia=`date "+%d"`
mes=`date "+%m"`
anio=`date "+%C%y"`
hora=`date "+%H%M"`
echo ${anio}/${mes}/${dia} - ${hora}: $1 | tee -a ${LOGFILE}
}


#------------------------------------------------------------------------------#
# fn_start_blackout(): start blackout for backup
#------------------------------------------------------------------------------#
fn_start_blackout() {

/u01/oracle/product/agent10g/bin/emctl start blackout ${ORACLE_SID}_BKP ${ORACLE_SID}.garba.com.ar

}

#------------------------------------------------------------------------------#
# fn_stop_blackout(): stop blackout status
#------------------------------------------------------------------------------#
fn_stop_blackout() {

/u01/oracle/product/agent10g/bin/emctl stop blackout ${ORACLE_SID}_BKP

}



################################################################################
# MAIN
################################################################################

export ORACLE_BASE=/u01/oracle
export ORACLE_HOME=$ORACLE_BASE/product/db10gr2
export PATH=/opt/unzip/bin:/usr/sbin:$ORACLE_HOME/bin:/opt:$PATH;
export NLS_LANG=american;
export NLS_DATE_FORMAT='DD/MM/YYYY HH24:MI:SS';

NARG=$#
dia=`date "+%d"`
mes=`date "+%m"`
anio=`date "+%C%y"`
hora=`date "+%H%M"`
export ORACLE_SID=$1
ORACLE_HOME=/u01/oracle/product/db10gr2
WDIR=/restore/backup/`hostname`/${ORACLE_SID}
BKPDIR=/${WDIR}
LOGFILE=${WDIR}/rman_${ORACLE_SID}.$anio$mes$dia$hora.log

fn_log "Starting rman backup of ${ORACLE_SID}... "

fn_chk_parm
if [ $2 = "WEEKLY" ] && [ $3 = "NOARCH" ]; then
echo "WEEKLY / NOARCH"
fn_start_blackout
fn_backup_l0_noarch
fn_stop_blackout
fn_log "Backup finished successfully."
exit
fi
if [ $2 = "WEEKLY" ] && [ $3 = "ARCH" ]; then
echo "WEEKLY / ARCH"
fn_start_blackout
fn_backup_l0_arch
fn_stop_blackout
fn_log "Backup finished successfully."
exit
fi
if [ $2 = "DAILY" ] && [ $3 = "NOARCH" ]; then
echo "DAILY / NOARCH"
fn_start_blackout
fn_backup_l1_noarch
fn_stop_blackout
fn_log "Backup finished successfully."
exit
fi
if [ $2 = "DAILY" ] && [ $3 = "ARCH" ]; then
echo "DAILY / ARCH"
fn_start_blackout
fn_backup_l1_arch
fn_stop_blackout
fn_log "Backup finished successfully."
exit
fi
if [ $2 = "EMERGENCY" ] && [ $3 = "ARCH" ]; then
echo "DAILY / ARCH"
fn_backup_E_arch
fn_log "Backup finished successfully."
exit
fi




fn_log "An unknown type of backup was submited, please review the input parameters: "
fn_log "rman_backup SID [WEEKLY|DAILY|EMERGENCY] [ARCH|NOARCH]"
fn_log "BACKUP FAILED!. Please review log files"

################################################################################