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
Summary of Contents for NVR52-16P-4KS2 Series
Page 1: ...Dahua Network Video Recorder User s Manual ZHEJIANG DAHUA VISION TECHNOLOGY CO LTD V1 1 0 ...
Page 74: ...User s Manual 58 Figure 2 79 Alarm input port Figure 2 80 Alarm input port ...
Page 101: ...User s Manual 85 Figure 3 41 Step 9 Secure the HDD bracket and put the top cover back ...
Page 132: ...User s Manual 116 Figure 4 19 Modify IP Step 3 Set parameters See Table 4 5 ...
Page 147: ...User s Manual 131 Figure 4 29 Period Step 3 Set record type See Figure 4 30 ...
Page 452: ...User s Manual ...