User's Manual
362
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
Содержание NVR41-4KS2 Series
Страница 1: ...Dahua Network Video Recorder User s Manual ZHEJIANG DAHUA VISION TECHNOLOGY CO LTD V1 1 0 ...
Страница 74: ...User s Manual 58 Figure 2 79 Alarm input port Figure 2 80 Alarm input port ...
Страница 101: ...User s Manual 85 Figure 3 41 Step 9 Secure the HDD bracket and put the top cover back ...
Страница 114: ...User s Manual 98 3 6 15 NVR616 4KS2 Series The following figure is for reference only Figure 3 58 ...
Страница 132: ...User s Manual 116 Figure 4 19 Modify IP Step 3 Set parameters See Table 4 5 ...
Страница 147: ...User s Manual 131 Figure 4 29 Period Step 3 Set record type See Figure 4 30 ...
Страница 319: ...User s Manual 303 The Exception interface is displayed See Figure 4 190 Figure 4 190 Figure 4 191 Figure 4 192 ...
Страница 420: ...User s Manual 404 Figure 4 290 File management Step 2 Click Add The Add interface is displayed See Figure 4 291 ...
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