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Network Video Recorder User Manual
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8.2 Rebuild Array
Purpose:
The status of array includes Functional, Degraded and Offline. To ensure the high security and
reliability 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, array degrades. You should recover it to Functional by
array rebuilding.
8.2.1 Configure Hot Spare Disk
Purpose:
Hot spare disks are required for disk array automatic rebuilding.
Step 1 Go to Storage > RAID Setup > Physical Disk.
Figure 8-4 Physical Disk
Step 2 Click of an available HDD to set it as the hot spare disk.
8.2.2 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.
Step 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