Dahua NVR41-4KS2 Series User Manual

User's Manual
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Figure 4-246 Disk details
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.
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RAID function is for some series products only. Slight difference might be found on the user
interface.
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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.
Table 4-81
RAID type Required disk quantity
RAID0 At least 2.
RAID1 Only 2.
RAID5 At least 3, and using 4 disks to 6 disks is recommended.
RAID6
At least 4.
RAID10
4.12.8.1 Creating RAID
RAID has different levels (such as RAID5, RAID6). Each level has different data protection, data

Dahua NVR41-4KS2 Series Specifications

General

Brand	Dahua
Model	NVR41-4KS2 Series
Category	Network Hardware
Language	English