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Format HDD
Select an HDD, click Format, and then follow the on-screen prompts to format the HDD.
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Formatting will erase all data in the HDD, proceed with caution.
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You can select whether to erase the HDD database. If the HDD database is erased, the AI search
data and the uploaded audio files will be deleted.
5.12.3 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 available on select models.
Table 5-70 Disk quantity for different RAID types
RAID type
Required disk quantity
RAID 0
At least 2.
RAID 1
Only 2.
RAID 5
At least 3. We recommend using 4 disks to 6 disks.
RAID 6
At least 4.
RAID 10
5.12.3.1 Creating RAID
RAID has different levels, such as RAID 5 and RAID 6. Each level has different data protection, data
availability, and performance grade. You can create different types of RAID as needed.
Background Information
When you create RAID, the disks in the RAID group will be formatted. Back up data in time.
You can create different types of RAID as needed.
Procedure
Step 1
Select Main Menu > STORAGE > RAID > RAID.
User's Manual
342
Summary of Contents for NVR2104-I2
Page 1: ...ZHEJIANG DAHUA VISION TECHNOLOGY CO LTD V2 3 3 Network Video Recorder User s Manual...
Page 84: ...Figure 2 98 Alarm input port 1 User s Manual 71...
Page 132: ...Figure 5 8 Unlock pattern login User s Manual 119...
Page 147: ...Figure 5 23 AcuPick human detection User s Manual 134...
Page 151: ...Figure 5 27 Shortcut menu 1 User s Manual 138...
Page 217: ...Figure 5 93 Custom search 2 Step 8 Configure the search conditions as needed User s Manual 204...
Page 326: ...Figure 5 197 TCP IP Step 2 Click to configure the NIC card and then click OK User s Manual 313...
Page 376: ...Figure 5 247 Pattern login User s Manual 363...
Page 412: ...Figure 5 285 File management Step 2 Click Add User s Manual 399...