Convert to use ksh

rman_db.ksh

@@ -0,0 +1,142 @@
+#!/usr/bin/ksh
+#
+# RMAN DB backup with incremental Merge
+# Written for HCL / Nokia
+# v1.0 - James Pattinson - October 2025
+#
+# usage: rman_db.ksh <ORACLE_SID>
+
+get_script_dir() {
+	# Portable way to get script directory for Linux and HP/UX (ksh compatible)
+	src="$0"
+	while [ -h "$src" ]; do
+		dir=$(cd -P $(dirname "$src") >/dev/null 2>&1 && pwd)
+		src=$(readlink "$src")
+		case $src in
+			/*) ;; # absolute path
+			*) src="$dir/$src";;
+		esac
+	done
+	cd -P $(dirname "$src") >/dev/null 2>&1 && pwd
+}
+MYDIR=$(get_script_dir)
+
+export ORACLE_SID=$1
+
+# . $HOME/.profile
+
+export ORAENV_ASK=NO
+export ORACLE_SID=$1
+
+. oraenv
+
+export ORAENV_ASK=YES
+
+. $MYDIR/rbk_api.conf
+. $MYDIR/oracle_funcs.ksh
+
+#ORACLE_SID=$1
+
+usage() {
+	echo "Usage: $0 <DBNAME>]" 1>&2
+	exit 1
+}
+
+if [ -z "${ORACLE_SID}" ]; then
+    usage
+fi
+
+#ORAENV_ASK=NO
+#. oraenv
+
+export NLS_DATE_FORMAT='mm-dd-yyyy hh24:mi:ss'
+export NLS_LANG=AMERICAN_AMERICA.AL32UTF8
+
+MOUNTPOINT=$MOUNTPOINT_PREFIX/$ORACLE_SID/data
+
+mkdir -p $RMAN_LOG_DIR/$ORACLE_SID/
+RMAN_LOG=$RMAN_LOG_DIR/$ORACLE_SID/rman_${ORACLE_SID}_DB_$(date +%d%m%y).log
+
+# Disk space check
+dusage=$(df -Ph | egrep "$MOUNTPOINT" | sed s/%//g | awk -v spaceWarn=$MV_SPACE_WARN '{ if($5 >= spaceWarn) print $0;}')
+if [ "$dusage" != "" ]; then
+	echo "WARNING: Disk Space Alert - sending email"
+	echo "$dusage" | mailx -s "WARNING: Rubrik MV Disk Space Alert On $(hostname) at $(date)" $ALERT_EMAILS
+else
+	echo "INFO: Rubrik MV Disk usage is under threshold of ${MV_SPACE_WARN}%"
+fi
+
+get_data_mv
+open_mv
+
+echo "DEBUG: numChannels=$numChannels, MOUNTPOINT=$MOUNTPOINT"
+
+if [ $? -ne 0 ]; then
+    echo ERROR: Unable to open MV, aborting
+    exit_with_error
+fi
+
+
+echo Running RMAN with log to $RMAN_LOG
+
+if [ $numChannels -eq 1 ]; then
+	allocate="allocate channel 'ch1' device type disk format '$MOUNTPOINT/%U';"
+	release="release channel ch1;"
+	channel0="$MOUNTPOINT"
+else
+	allocate=""
+	release=""
+	i=0
+	while [ $i -lt $numChannels ]; do
+		allocate="$allocate allocate channel 'c$i' device type disk format '$MOUNTPOINT/c$i/%U';"
+		release="$release release channel c$i;"
+		i=$(expr $i + 1)
+	done
+	channel0="$MOUNTPOINT/c0"
+fi
+
+# Save the current time (minus one hour) to ensure we catch all archive logs
+startTime=$(date +%m-%d-%Y\ %H:%M:%S -d '-1 hour')
+	
+# RMAN Part Here
+###############################################################################
+#cat > /tmp/rman.cmd <<EOF
+
+# Now perform the backup and merge
+rman nocatalog log $RMAN_LOG append > /dev/null <<EOF
+#cat <<EOF
+connect target /
+set echo on;
+configure retention policy to recovery window of 1 days;
+run {
+set controlfile autobackup format for device type disk to '$channel0/cf_%F';
+$allocate
+backup incremental level 1 for recover of copy with tag 'rubrik_snap' database;
+recover copy of database with tag 'rubrik_snap';
+backup as copy current controlfile;
+backup archivelog from time '$startTime' tag 'rubrik_snap_logs';  
+$release
+}
+allocate channel for maintenance device type disk;
+crosscheck backup;
+crosscheck copy;
+delete noprompt obsolete device type disk;
+delete noprompt backup of archivelog all completed before 'sysdate-2' tag rubrik_snap_logs;
+release channel;
+EOF
+###############################################################################
+
+rmanStatus=$?
+
+if [ $rmanStatus -ne 0 ]; then
+    echo "WARNING: RMAN DB backup exited with Non-zero status $rmanStatus. Emailing log"
+	cat $RMAN_LOG  | mailx -s "RMAN Log backup Failed on ${HOST} for ${ORACLE_SID}" $ALERT_EMAILS
+elif [ $EMAIL_SUCCESS -eq 1 ]; then
+	echo "SUCCESS: RMAN DB backup exited with zero status"
+	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
+fi
+
+# Change permission of backup files to enable alternate host restore
+find $MOUNTPOINT -type f -exec chmod 644 {} + 2>/dev/null
+
+close_mv