DS-7700NI-SP/9000/9600 Series HDVR/NVR User’s Manual
104
Figure 109 Set Hot Spare Interface
18. Set the Hot Spare Type of the selected HDD to Global Hot Spare or the specified hot spare for the
existing array.
12. Global Hot Spare: It can be used as the hot spare for any array created in the system.
13. Specified Hot Spare (e.g. test): It can be used as the hot spare for the specified array only.
19. Click OK to finish the settings.
Note:
When the auto-rebuild function is enabled, the hot spare disk will be automatically used for array
rebuilding if the virtual disk is in Degraded status.
Note:
At least 2 HDDs must be installed for RAID 0.
2 HDDs needs to be configured for RAID 1.
At least 3 HDDs must be installed for RAID 5.
4/6/8 HDDs need to be cofigured for RAID 10.
Note:
A physical disk count error attention box will pop-up, if the number of HDDs you select is not compatible
with the requirement of the RAID level.
Note:
The device supports creating at most 8 virtual disks.
Note:
It is recommeded to create one virtual disk of an array.
Rebuilding Array
The working status of array includes Functional, Degraded and Offline. 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.
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