Network Video Recorder User Manual
110
Rebuild an Array
Purpose:
The array status includes Functional, Degraded, and Offline. To ensure the high security and
reliability of the data stored in an array, take immediate and proper maintenance of the arrays
according its status.
Functional: No disk loss in the array.
Offline: The number of lost disks has exceeded the limit.
Degraded: If any HDD fails in the array, the array degrades. Restore it to Functional status by
rebuilding the array.
Configure a Hot Spare Disk
Purpose
Hot spare disks are required for disk array automatic rebuilding.
Go to
Storage > RAID Setup > Physical Disk
.
Physical Disk
Click
of an available HDD to set it as the hot spare disk.
Automatically Rebuild an 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 9.2.1 Configure a Hot Spare Disk.
The device will automatically rebuild degraded arrays with the hot spare disks. Go to
Storage > RAID Setup > Array
to view rebuilding progress.
Array List
