User Manual

Table Of Contents
Network Video Recorder User Manual
112
RAID Level
The Required Number of HDDs
RAID 5
At least 3 HDDs.
RAID 6
At least 4 HDDs.
RAID 10
The number of HDD must be an even ranges from 4 to 16.
9. Click OK.
10. Optional: The video recorder will automatically initialize the created array. Go to Storage
RAID Setup Array to view the information of the created array.
Figure 8-7 Array List
8.2.2 Rebuild an Array
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
The hot spare disk is required for the disk array automatic rebuilding.
Steps
1. Go to Storage RAID Setup Physical Disk.
Figure 8-8 Physical Disk