User manual

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Set/Cancel Global Spare
A global spare drive replaces a failed hard drive in any RAID 1, 5, 6, 10 disk volumes on
the NAS automatically. When the same global spare drive is shared by multiple RAID
volumes on the NAS, the spare drive will replace the first failed drive in a RAID volume.
To set a disk drive as a global spare drive, select the single disk volume and click “Set
Global Spare”. All the disk data will be cleared on the hard drive.
Note: The capacity of the global spare drive must be equal to or larger than that of a
member drive of a RAID disk volume.
To cancel a global spare drive, select the drive and click “Cancel Spare Drive”.