Compaq Infortrend manual Manual Rebuild

If the failed drive is not swapped but a local spare is added to the logical drive, rebuild will begin with the spare.

If the S.M.A.R.T. function is enabled on drives and the reaction scheme is selected for securing data on a failing drive, spare will also be used for restoring data. Please refer to Chapter 9, Advanced Functions, for more details.

2. Manual Rebuild

When a user applies forced-manual rebuild, the controller will first examine whether there is any Local Spare assigned to the logical drive. If yes, it will automatically start to rebuild.

If there is no Local Spare available, the controller will search for a Global Spare. If there is a Global Spare, logical drive rebuild will be automatically conducted.

Figure 1 - 14 Manual Rebuild

User applies

forced-manual

rebuild

Any		Yes
Local Spare Drive			Rebuild using the
assigned to this			Local Spare Drive
logical drive?
	No
Any		Yes
Global Spare Drive			Rebuild using the
assigned to this			Global Spare Drive
logical drive?

No
Has the failed drive	Yes	Rebuild using the
been replaced?		replaced drive

No

Wait for manual rebuild

I

If none of the spares are available, the controller will examine the SCSI channel and ID of the failed drive. Once the failed drive has been replaced by a healthy one, it starts to rebuild using the new drive. If there is no available drive for rebuilding, the controller will not attempt to rebuild until the user applies another forced-manual rebuild.

Functional Description 1-10