RHEV 3.6 Backup / Restore

hosted-engine --set-maintenance --mode=global

[root@host]# engine-backup --scope=all --mode=backup --file=BACKUP_FILE --log=LOG_FILE

[root@host1 ~]# hosted-engine --set-maintenance --mode=global

[root@host]# service ovirt-engine stop

[root@host]# engine-cleanup 

[ INFO  ] Stage: Initializing
[ INFO  ] Stage: Environment setup
          Configuration files: ['/etc/ovirt-engine-setup.conf.d/10-packaging-wsp.conf', '/etc/ovirt-engine-setup.conf.d/10-packaging.conf', '/etc/ovirt-engine-setup.conf.d/20-setup-ovirt-post.conf']
          Log file: /var/log/ovirt-engine/setup/ovirt-engine-remove-20170208102356-1jfyw3.log
          Version: otopi-1.3.2 (otopi-1.3.2-1.el6ev)
[ INFO  ] Stage: Environment packages setup
[ INFO  ] Stage: Programs detection
[ INFO  ] Stage: Environment customization
          Do you want to remove all components? (Yes, No) [Yes]: 
         
          --== PRODUCT OPTIONS ==--
         
          Do you want to remove Engine database content? All data will be lost (Yes, No) [No]: yes
[ INFO  ] Stage: Setup validation
          All the installed ovirt components are about to be removed, data will be lost (OK, Cancel) [Cancel]: ok
[ INFO  ] Stage: Transaction setup
[ INFO  ] Stopping engine service
[ INFO  ] Stopping ovirt-fence-kdump-listener service
[ INFO  ] Stopping websocket-proxy service
[ INFO  ] Stage: Misc configuration
[ INFO  ] Stage: Package installation
[ INFO  ] Stage: Misc configuration
[ INFO  ] Backing up PKI configuration and keys
[ INFO  ] Backing up database localhost:engine to '/var/lib/ovirt-engine/backups/engine-20170208102416.PcFb92.dump'.
[ INFO  ] Clearing Engine database engine
[ INFO  ] Removing files
[ INFO  ] Reverting changes to files
[ INFO  ] Stage: Transaction commit
[ INFO  ] Stage: Closing up
         
          --== SUMMARY ==--
         
          A backup of the Engine database is available at /var/lib/ovirt-engine/backups/engine-20170208102416.PcFb92.dump
          ovirt-engine has been removed
          A backup of PKI configuration and keys is available at /var/lib/ovirt-engine/backups/engine-pki-201702081024152OjLvC.tar.gz
          Engine setup successfully cleaned up
         
          --== END OF SUMMARY ==--
         
[ INFO  ] Stage: Clean up
          Log file is located at /var/log/ovirt-engine/setup/ovirt-engine-remove-20170208102356-1jfyw3.log
[ INFO  ] Generating answer file '/var/lib/ovirt-engine/setup/answers/20170208102423-cleanup.conf'
[ INFO  ] Stage: Pre-termination
[ INFO  ] Stage: Termination
[ INFO  ] Execution of cleanup completed successfully

[root@manager ~]# su - postgres -c psql
psql (8.4.20)
Type "help" for help.

postgres=# alter role engine encrypted password 'PASSWORD';
ALTER ROLE
postgres-# \q

[root@host]# engine-backup --mode=restore --scope=all --file=BACKUP_FILE --log=LOG_FILE --change-db-credentials --db-host=localhost --db-name=engine --db-user=engine --db-password --restore-permissions

# RHEV 3.5 의 경우 --restore-permissions 옵션은 제외하도록 한다.

Enter Engine database password: 
Preparing to restore:
- Setting credentials for Engine database 'engine'
- Unpacking file 'rhevm_backup'
Restoring:
- Files
- Engine database 'engine'
Rewriting /etc/ovirt-engine/engine.conf.d/10-setup-database.conf
You should now run engine-setup.
Done.


[root@host]# engine-setup 


[root@host1 ~]# service ovirt-engine restart

[root@host1 ~]# hosted-engine --set-maintenance --mode=none

#!/bin/bash
# Usage : restore.sh DB_PASS RESTORE_FILE
#

if [ $# -ne 2 ]
then
	echo "Usage : restore.sh <DB_PASS> <RESTORE_FILE>";
	exit 1;
fi

PASSWORD=$1
RESTORE_FILE=$2

####### check daemon
echo "check ovirt-engine daemon..."
service ovirt-engine status
if [ $? -ne 3 ]
then
	echo "Service ovirt-engine is not stopped.";
	echo "Service ovirt-engine daemon MUST stop.";
	echo "Exit";
	exit 1;
fi
 
engine-cleanup << EOF
yes
ok
ok
EOF

if [ $? -ne 0 ]
then
	echo "engine-cleanup is not completed";
	echo "Exit";
	exit 1;
fi

su - postgres -c psql << EOF
alter role engine encrypted password '$PASSWORD';
\q
EOF

if [ $? -ne 0 ]
then
	echo "db password is not set";
	echo "Exit";
	exit 1;
fi

engine-backup --mode=restore --scope=all --file=$RESTORE_FILE --log=restore.log --change-db-credentials --db-host=localhost --db-name=engine --db-user=engine --db-password=$PASSWORD --restore-permissions

engine-setup << EOF
yes
no
ok
EOF

echo "Restore Done"

ENGINE_HEAP_MIN="4096M"  # 시스템 메모리 크기에 맞게 적당히 조절해준다.
ENGINE_HEAP_MAX="4096M"