159 lines
4.3 KiB
Bash
Executable File
159 lines
4.3 KiB
Bash
Executable File
#!/usr/bin/ksh
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#
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# RMAN DB backup with incremental Merge
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# Written for HCL / Nokia
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# v1.0 - James Pattinson - November 2025
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#
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# usage: rman_db.ksh <ORACLE_SID>
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_SCRIPT_="$0"
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get_script_dir() {
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script="$1"
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case "$script" in
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/*) abs_path="$script" ;;
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*) abs_path="$PWD/$script" ;;
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esac
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while [ -L "$abs_path" ]; do
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link=$(readlink "$abs_path")
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case "$link" in
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/*) abs_path="$link" ;;
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*) abs_path="$(dirname "$abs_path")/$link" ;;
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esac
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done
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script_dir=$(dirname "$abs_path")
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cd "$script_dir" 2>/dev/null && pwd
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}
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MYDIR=$(get_script_dir "$_SCRIPT_")
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export ORACLE_SID=$1
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# . $HOME/.profile
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. ~oracle/bin/setEnv.sh
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export ORAENV_ASK=NO
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export ORACLE_SID=$1
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. oraenv
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export ORAENV_ASK=YES
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. $MYDIR/rubrik.conf
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. $MYDIR/oracle_funcs.ksh
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#ORACLE_SID=$1
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usage() {
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echo "Usage: $0 <DBNAME>]" 1>&2
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exit 1
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}
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if [ -z "${ORACLE_SID}" ]; then
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usage
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fi
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export NLS_DATE_FORMAT='mm-dd-yyyy hh24:mi:ss'
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export NLS_LANG=AMERICAN_AMERICA.AL32UTF8
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MOUNTPOINT=$MOUNTPOINT_PREFIX/$ORACLE_SID/data
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mkdir -p $RMAN_LOG_DIR/$ORACLE_SID/
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RMAN_LOG=$RMAN_LOG_DIR/$ORACLE_SID/rman_${ORACLE_SID}_DB_$(date +%d%m%y).log
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# Disk space check
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dusage=$(df -Pk | grep -E "$MOUNTPOINT" | sed s/%//g | awk -v spaceWarn=$MV_SPACE_WARN '{ if($5 >= spaceWarn) print $0;}')
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if [ "$dusage" != "" ]; then
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echo "WARNING: Disk Space Alert - sending email"
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echo "$dusage" | mailx -s "WARNING: Rubrik MV Disk Space Alert On $(hostname) at $(date)" $ALERT_EMAILS
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else
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echo "INFO: Rubrik MV Disk usage is under threshold of ${MV_SPACE_WARN}%"
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fi
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get_data_mv
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open_mv
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echo "DEBUG: numChannels=$numChannels, MOUNTPOINT=$MOUNTPOINT"
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if [ $? -ne 0 ]; then
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echo ERROR: Unable to open MV, aborting
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exit_with_error
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fi
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echo Running RMAN with log to $RMAN_LOG
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# Default RMAN channels per mount if not set
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RMAN_CHANNELS_PER_MOUNT=${RMAN_CHANNELS_PER_MOUNT:-1}
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total_channels=$(expr $numChannels \* $RMAN_CHANNELS_PER_MOUNT)
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if [ $total_channels -eq 1 ]; then
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allocate="allocate channel 'ch1' device type disk format '$MOUNTPOINT/%U';"
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release="release channel ch1;"
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channel0="$MOUNTPOINT"
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else
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allocate=""
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release=""
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i=0
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while [ $i -lt $numChannels ]; do
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j=0
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while [ $j -lt $RMAN_CHANNELS_PER_MOUNT ]; do
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suffix=$(echo $j | tr '0123456789' 'abcdefghijklmnopqrstuvwxyz')
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allocate="$allocate allocate channel 'c${i}${suffix}' device type disk format '$MOUNTPOINT/c$i/%U';"
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release="$release release channel c${i}${suffix};"
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j=$(expr $j + 1)
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done
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i=$(expr $i + 1)
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done
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channel0="$MOUNTPOINT/c0"
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fi
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# Save the current time (minus one hour) to ensure we catch all archive logs
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startTime=$(perl -e 'use POSIX qw(strftime); $time = time() - 3600; print strftime("%m-%d-%Y %H:%M:%S", localtime($time))')
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# RMAN Part Here
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###############################################################################
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#cat > /tmp/rman.cmd <<EOF
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# Now perform the backup and merge
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rman nocatalog log $RMAN_LOG append > /dev/null <<EOF
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#cat <<EOF
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connect target /
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set echo on;
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configure retention policy to recovery window of 1 days;
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run {
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CONFIGURE BACKUP OPTIMIZATION OFF;
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set controlfile autobackup format for device type disk to '$channel0/cf_%F';
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$allocate
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backup incremental level 1 for recover of copy with tag 'rubrik_snap' database;
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recover copy of database with tag 'rubrik_snap';
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backup as copy current controlfile;
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backup archivelog from time '$startTime' tag 'rubrik_snap_logs';
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$release
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}
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allocate channel for maintenance device type disk;
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crosscheck backup;
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crosscheck copy;
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delete noprompt obsolete device type disk;
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delete noprompt backup of archivelog all completed before 'sysdate-2' tag rubrik_snap_logs;
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release channel;
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EOF
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###############################################################################
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rmanStatus=$?
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if [ $rmanStatus -ne 0 ]; then
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echo "WARNING: RMAN DB backup exited with Non-zero status $rmanStatus. Emailing log"
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cat $RMAN_LOG | mailx -s "RMAN Log backup Failed on ${HOST} for ${ORACLE_SID}" $ALERT_EMAILS
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elif [ $EMAIL_SUCCESS -eq 1 ]; then
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echo "SUCCESS: RMAN DB backup exited with zero status"
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echo "RMAN job finished with Zero status. Note that this does not guarantee the contents of the backup." | mailx -s "SUCCESS: RMAN DB backup exited with zero status on ${HOST} for ${ORACLE_SID}" $ALERT_EMAILS
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fi
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# Change permission of backup files to enable alternate host restore
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find $MOUNTPOINT -type f -exec chmod 644 {} \; 2>/dev/null
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close_mv
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