3.7.0 HP StorageWorks HP Scalable NAS File Serving Software administration guide - HP Scalable NAS 3.7 for Linux (AG513-96002, October 2009)

Back up and restore membership partitions
The membership partitions contain three databases that need to be backed up:
• The device database, which contains information about imported disks.
• The volume database, which contains information about dynamic volumes.
• The mxds datastore, which contains cluster configuration information.
The device database and the volume database are automatically backed up to the
file /var/opt/hpcfs/run/MP.backup whenever they are changed; your backups
of the /var/opt/hpcfs directory will always contain up-to-date copies of these
databases.
The mxds datastore is automatically backed up to /var/opt/hpcfs/run/
MPmxds.backup once-per-day. If you make configuration changes to the cluster,
you may want to make a backup copy of the mxds datastore to ensure that you have
an up-to-date backup.
Use the following command to back up the mxds datastore to the default backup file,
MPmxds.backup:
mpdump -X
Use this command to back up the mxds datastore to the file of your choice:
mpdump -x <output-file>
If the -X option was used to back up the mxds datastore, use the mpimport -X
command to restore the datastore to the membership partitions. If the -x
<output-file> option was used for the backup, use mpimport -x
<output-file> to restore the datastore.
To restore the device database and volume database to the membership partitions,
use the mpimport -f <input-file> command. The input file is typically /var/
opt/hpcfs/run/MP.backup.
For more information about mpdump and mpimport, see the HP Scalable NAS File
Serving Software command reference guide.
Quotas information for PSFS filesystems
The Linux utilities or third-party applications used to back up PSFS filesystems are not
aware of the HP Scalable NAS quotas feature and cannot back up the quotas
information. Instead, when you back up a filesystem, also use the HP Scalable NAS
psfsdq command to back up the quota information stored on the filesystem. After
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