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#!/bin/bash
# export the oracle 19c database running in the container named 'oracle-database' using the Data Pump 'expdp' command
# the export is written to the directory /data/backup on the database host with a timestamped .dmp file and .log file
#
# this script (archive.sh) is to be placed in /data/backup/scripts on the database host, along with newscn.sql and dbpswd.txt
# usage
# sudo docker exec -it oracle-database /opt/oracle/backup/scripts/run.sh
# or
# sudo docker exec -it oracle-database /opt/oracle/backup/scripts/run.sh 2>&1 | tee -a archivedb_$(date +%Y_%m_%d_%H_%M).log
#
cd /opt/oracle/backup/scripts || echo "failed to cd to /opt/oracle/backup/scripts" || exit 1
dateString=$(date +%Y_%m_%d_%H_%M_%S)
logfile=orclpdb1_${dateString}.log
dumpfile=orclpdb1_${dateString}.dmp
password=$(cat /opt/oracle/backup/scripts/password.txt)
# data the database SCN (system change number) at the time of the export
SCN=$(sqlplus -S -L "system/${password}@ORCLPDB1" @newscn.sql | xargs) || echo "error getting scn" || exit 1
echo SCN is "'${SCN}'"
# dump to EXT_DATA_PUMP_DIR /opt/oracle/backup mounted to host /data/backup with timestamped .dmp and .log files
expdp \
"system/${password}@localhost:1521/ORCLPDB1" \
directory=EXT_DATA_PUMP_DIR \
dumpfile="${dumpfile}" \
logfile="${logfile}" \
schemas=vcell \
flashback_scn="${SCN}"
expdp_returnCode=$?
if [ $expdp_returnCode != 0 ]; then
echo "Error exporting database"
exit 1
else
echo "database dump to ${dumpfile} complete, please check logs in ${logfile}"
exit 0
fi
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