#!/bin/ksh
# ======================================================================
# Richard Wilson - 13.03.2014
# Backup the database using Data Pump.
# ----------------------------------------------------------------------
# History:
#	RW	02.06.2014	Minor modifications.
#	RW	24.06.2014	Parallelised.
#				EXPDP to ASM only.
#	RW	26.06.2014	Added ASM dump file deletion.
#	RW	04.09.2014	Use dynamic date, changed ORACLE_HOME.
#				Corrected errors in ASM purge.
#	RW	27.01.2016	Added error reporting after ASM copy.
#
# ======================================================================
# OWNER      DIRECTORY_NAME  DIRECTORY_PATH
# ---------- --------------  -------------------------------------------
# SYS        DUMPSET_LOGS    /home/oracle/Scripts/RMAN/logs
# SYS        DUMPSETS        +FRA/CONV/dumpset
# ----------------------------------------------------------------------

export ORACLE_HOME="/u01/app/oracle/product/11.2.0/dbhome_1/"
export ORACLE_SID=${1}

# Check for log file, and if exists, rename.
[ -f /home/oracle/Scripts/RMAN/logs/${ORACLE_SID}_`date '+%a'`_DMSIT_expdp.log ] && mv -f /home/oracle/Scripts/RMAN/logs/${ORACLE_SID}_`date '+%a'`_DMSIT_expdp.log /home/oracle/Scripts/RMAN/logs/old_${ORACLE_SID}_`date '+%a'`_DMSIT_expdp.log || :

# Export the database to FRA.
${ORACLE_HOME}/bin/expdp expman/expdp@${ORACLE_SID} \
dumpfile=DUMPSETS:${ORACLE_SID}_`date '+%a'`_DMSIT_expdp.dmp  \
directory=DUMPSETS \
full=Y \
logfile=DUMPSET_LOGS:${ORACLE_SID}_`date '+%a'`_DMSIT_expdp.log \
reuse_dumpfiles=y

# Copy export file to /backups.
#export ORACLE_SID=+ASM
#export ORACLE_HOME=/u01/app/oracle/product/11.2.0/grid
#/u01/app/oracle/product/11.2.0/grid/bin/asmcmd cp +R5DISK/dmsit/dumpset/dmsit_`date '+%a'`_dmsit_expdp.dmp /backups/DMSIT/expdir/DMSIT_`date '+%a'`_dmsit_expdp.dmp
#if [ $? -ne 0 ] 
#then
#	echo -e "\nWARNING: Could not write Export file to backup filesystem.\n"
#fi

# These last few lines were taken from the old CONV exports, not used by DMSIT, but left in for possible future use if necessary - RW:01.03.2017
# Purge old EXPDP files from ASM.
# if [ $? -eq 0 ]
# then
# 	export ORACLE_SID="+ASM"
# 	export ORACLE_HOME="/u01/app/oracle/product/11.2.0/grid"
# 	# export ORACLE_SID="CONV"
# 	last_day=`date +%a --date='3 days ago'`
# 	${ORACLE_HOME}/bin/asmcmd rm -f +fra/CONV/dumpset/CONV_${last_day}_daily_expdp_*.dmp
# fi
# =============================================================================================================