Marvell RAID Utility Help
You must use an unconfigured physical disk. A fully or even partially configured physical disk cannot be set as a spare physical disk. Spare physical disks are needed for Auto-Rebuild functions.
To set a spare drive
Start the MRU
Click the Physical Disks link from the left navigation panel.
Select an unconfigured
Physical Disk .
Click the Operation tab and select Set as Global Spare Drive, as shown in the figure below.
To unset a spare drive
Start the MRU.
Click the Physical Disks link from the left navigation panel.
Select the Spare Drive.
Click the Operation tab and select Unset as Global Spare Drive.