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Chapter 5 Backup
Usage Restrictions
Functional Restrictions
Failover is not available when any of the following functions are enabled:
Replication, sleep mode, encrypted drive volume, MySQL server, media cartridge, LVM volume, iSCSI volume, port
trunking, cloud storage, Dropbox Sync, surveillance server, hot spare, access restrictions by Active Directory or NT
domain
Setting Restrictions
The following functions will not be available while failover is enabled:
Initializing settings, changing the RAID settings, formatting drives, iSCSI volume, changing the backup TeraStation's
settings, turning the TeraStation on and off, updating the firmware
While failover is enabled, shutdown, power-on, and firmware update operations can be made available by
temporarily changing the TeraStation to maintenance mode. Maintenance mode can be enabled or disabled at
Backup > Failover in the main TeraStation's Settings. Click Maintenance mode to enable maintenance mode, or click
Cancel maintenance mode to disable maintenance mode.
To update the firmware while in maintenance mode, the main TeraStation can be updated from Settings, but the
backup TeraStation cannot. Download the firmware updater from the
Buffalo website
for the backup TeraStation
and try updating the firmware on it.
Non-Transferable Settings
The settings below are not copied from the main TeraStation to the backup TeraStation. Make a note of the original
settings so that they can be configured manually if a failover error occurs.
Web server (including PHP), MySQL server, Direct Copy, WebAccess
, print server, UPS synchronization, antivirus
,
*
**
SNMP (when using SNMPv3)
*If the backup TeraStation took over the main TeraStation's IP address after failover, the WebAccess settings will not
be copied. Re-register your BuffaloNAS.com account for WebAccess. If the backup TeraStation kept its IP address, the
settings will be copied from the main TeraStation.
**The settings configured on the Trend Micro NAS Security settings page will not be copied to the backup
TeraStation. The settings configured on the main TeraStation's Settings page will be copied. Only if the antivirus is
activated on the TeraStation.
Using with UPS
Once failover is configured, you cannot set up a UPS for the backup TeraStation. Configure your UPS before
configuring failover. UPS recovery can be configured for both the main and backup TeraStations.
Configuring Failover
1
From Settings for the main TeraStation, click Backup.
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