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4.12.8 RAID
RAID (redundant array of independent disks) is a data storage virtualization technology that
combines multiple physical HDD components into a single logical unit for the purposes of data
redundancy, performance improvement, or both.
● RAID function is for some series products only. Slight difference might be found on the user
interface.
● The NVR supports RAID0, RAID1, RAID5, RAID6, and RAID 10. Local hot spare supports RAID1,
RAID5, RAID6, and RAID10.
For the disk quantity required for each RAID type. See Table 4-81.
RAID type
RAID0
RAID1
RAID5
RAID6
RAID10
4.12.8.1 Creating RAID
RAID has different levels (such as RAID5, RAID6). Each level has different data protection, data
Figure 4-246 Disk details
Table 4-81
Required disk quantity
At least 2.
Only 2.
At least 3, and using 4 disks to 6 disks is recommended.
At least 4.
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