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The Messaging Application Server (MAS) allows you to back up critical
MAS data, including the System State and other MAS system files,
on a regular basis by scheduling a unattended backup. The MAS also
allows you to back up data at any time by performing an attended
backup. You can use the backed-up data to restore data to the MAS
if a system failure occurs.
MAS unattended backup
The installation technician administers each MAS to automatically
back up MAS data when your Avaya™ S3400 Message Server is
installed. The MAS unattended backup is usually scheduled to run
one hour before midnight. You can reschedule this time if you determine
it does not meet the needs of your company. See Rescheduling
the MAS unattended backup for more information. The MAS performs
the unattended backup using the S3400 private LAN to copy data from
the MAS to the Message Storage Server (MSS). After the MAS data
are copied to the MSS, the files are then backed up again along
with critical MSS system files onto a DVD-RAM during the MSS unattended
backup. The MSS unattended backup occurs every night at 3:05 AM.
For more information about the MSS unattended backup, see the MSS
topic Backing up system files (unattended).
MAS attended backup
You can also perform an attended backup of MAS data at any time
by performing an attended backup. Attended backups should be performed
after making changes to an MAS, such as installing a new software
package. See Performing an MAS attended
backup for more information.
MAS restore
You can restore backed-up MAS data if a system failure occurs due
to data loss or corruption. The MAS data stored on the MSS during
the attended or unattended backup are used to restore data back
to the MAS. See Restoring backed-up MAS
data (after a non-catastrophic failure) for more information.
If a catastrophic failure occurs to your MAS due to a hard disk
drive failure, you must replace the hard disk drive and return the
system to service before restoring data. For information about hard
disk drive replacement and returning the system to service, see
Replacing the IDE drive.
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