Chapter 7. Configuring Your Controller
120 3ware Serial ATA RAID Controller User Guide
Setting the Auto-Rebuild Policy
For 9550SX and 9590SE controllers, the Auto-Rebuild policy determines
how the controller firmware will attempt to rebuild degraded units.
When Auto-Rebuild is disabled, only spares will be automatically used to
rebuild degraded units. When Auto-Rebuild is enabled, the firmware will
select drives to use for automatically rebuilding a degraded unit using the
following priority order.
• Smallest usable spare.
• Smallest usable unconfigured (available) drive.
• Smallest usable failed drive.
Enabling Auto-Rebuild allows you to add a drive to the controller and have it
be available for a rebuild, without having to specify it as a spare. (For 9500S
controllers, you need to tell the controller to Rescan before the controller will
see the drive.)
With Auto-Rebuild enabled, if you accidentally disconnect a drive (causing
the controller to see it as a failed drive) and then reconnect it, the controller
will automatically try to use it again.
You can enable or disable the Auto-Rebuild policy through 3DM, 3BM, or the
CLI. For how to change this setting through CLI, see 3ware 9000 Series
Serial ATA RAID Controller CLI Guide.
To enable Auto-Rebuild through 3BM
1 On the main 3BM screen,
Tab to Settings and press Enter.
2 On the pop-up menu, select
Controller Policies and press Enter.
3 On the Policy Settings page,
Tab to the Auto-Rebuild field, press Enter
to display the options, select
Enable and press Enter again to select it.
4
Tab to OK and press Enter to select it.
The policy is enabled immediately.
To enable Auto-Rebuild through 3DM
1 Choose
Management > Controller Settings from the menu bar in 3DM.
2 In the Other Controller Settings section at the bottom of the screen, select
the
Enabled option for Auto-Rebuild.
The page refreshes, and a message at the top confirms the change you
have made.
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