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3ware® User Guide > Configuring Your Controller > Setting the Auto Rebuild Policy

Setting the Auto Rebuild Policy
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.
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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.
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 or 3BM.
To enable Auto Rebuild through 3DM
1
Choose Management > Controller Settings from the menu bar in 3DM.
2
The page refreshes, and a message at the top confirms the change you have made.
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.

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