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of the data stored in array, you should take immediate and proper maintenance at arrays according
their status.
Functional
: No disk loss in the array.
Offline
: The number of lost disks has exceeded the limit.
Degraded
: If amount of HDD fail in array, the array degrades. Recovery consists of array
rebuilding and involves returning the disk to the
Functional
stage.
Configure Hot Spare Disk
Purpose
Hot spare disks are required for disk array automatic rebuilding.
1)
Go to
Storage
>
RAID Setup
>
Physical Disk
.
Figure 8-4 Physical Disk
2)
Click of an available HDD to set it as the hot spare disk.
Automatically Rebuild Array
Purpose
The device can automatically rebuild degraded arrays with the hot spare disks.
Before you start
Create hot spare disks. For details, refer to
Chapter 8.2.1 Configure Hot Spare Disk.
1)
The device will automatically rebuild the degraded arrays with the hot spare disks. Go to
Storage
>
RAID Setup
>
Array
to view rebuilding progress.
Figure 8-5 Array List
