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User Manual of DS-9600/8600/7700/7600 Series NVR
10.2 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 Functional; 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 Degraded.
When the virtual disk is in Degraded status, you can restore it to Functional by array rebuilding.
10.2.1 Automatically Rebuilding Array
Purpose:
When the virtual 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.
Before you start:
Enable the Auto-rebuild in Firmware Settings interface (Menu>HDD>RAID>Firmware) and the hot spare disk has
been configured.
Steps:
1.
Enter the Array Settings interface. The status of the array is Disk 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.
Menu > HDD > RAID > Array
2.
Enter the Virtual Disk interface to view the rebuilding status of the virtual disk.
Menu>HDD>RAID>Virtual 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 12-15 of Chapter 10.1.2
Figure 10. 16 Array Settings Interface
Figure 10. 17 Virtual Disk Settings Interface
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