(mysql.info.gz) MySQL Cluster Backup Using Management Server
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16.5.4.2 Using The Management Server to Create a Backup
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Before starting make sure that the cluster is properly configured for
backups.
1. Start management server.
2. Execute the command `START BACKUP'.
3. The management server will reply with a message "Start of backup
ordered". This means that the management server has submitted the
request to the cluster, but has not yet received any response.
4. The management server will reply "Backup <BackupId> started" where
<BackupId> is the unique identifier for this particular backup.
This will also be saved in the cluster log (if not configured
otherwise). This means that the cluster has received and
processed the backup request. It does not mean that the backup has
completed.
5. The management server will when the backup is finished reply
"Backup <BackupId> completed".
Using the management server to abort a backup:
1. Start management server.
2. Execute the command `ABORT BACKUP <BACKUPID>'. The number
<BackupId> is the identifier of the backup that is included in the
response of the management server when the backup is started, i.e.
in the message "Backup <BackupId> started". The identifier is
also saved in the cluster log (cluster.log).
3. The management server will reply "Abort of backup <BackupId>
ordered" This means that it has submitted the request to the
cluster, but has not received any response.
4. The management server will reply "Backup <BackupId> has been
aborted reason XYZ". This means that the cluster has aborted the
backup and removed everything belonging to it, including the files
in the file system.
Note that if there is not any backup with id <BackupId> running when it
is aborted, the management server will not reply anything. However
there will be a line in the cluster.log mentioning that an "invalid"
abort command has been filed.
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(mysql.info.gz) MySQL Cluster Backup Concepts
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