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User Manual of Network Video Recorder
11.2 Rebuilding Array
Purpose:
The working status of array includes Functional, Degraded and Offline. By viewing the array status, you can take
immediate and proper maintenance for the disks so as to ensure the high security and reliability of the data stored
in the disk array.
When there is no disk loss in the array, the working status of array will change to Normal; when the number of lost
disks has exceeded the limit, the working status of array will change to Offline; in other conditions, the working
status is Disk Loss.
When the logical disk is in Degrade status, you can restore it to Normal by array rebuilding.
11.2.1 Automatically Rebuilding Array
Purpose:
When the logical disk is in Degraded status, the device can start rebuilding the array automatically with the hot
spare disk to ensure the high security and reliability of the data.
Note:
The Auto Recreation function is enabled by default.
Steps:
1.
Enter the Array Settings interface. The status of the array is HDD Loss. Since the hot spare disk is configured
and Auto-rebuild function is enabled. The hot spare disk will be automatically used for array rebuilding.
Device Management> Remote Management> HDD >Array Configuration> Array
2.
Enter the Logical Disk interface to view the rebuilding status of the logical disk.
Device Management> Remote Management> HDD >Array Configuration >Logical Disk
Note:
If there is no hot spare disk after rebuilding, it is recommended to install a HDD into the device and set
is as a hot spare disk to ensure the high security and reliability of the array. For detailed operation guide,
please refer to steps 12-14 of Chapter 11.1.2 Manually Creating Array and Logical Disk.
Figure 11. 13 Array Settings Interface
Figure 11. 14 Logical Disk Settings Interface
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