Raid - Dahua NVR52-4KS2 Series User Manual

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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.

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.

Select Main Menu > STORAGE > RAID > RAID.

Table 5-74 Disk quantity for different RAID types

Required disk quantity

At least 3. We recommend using 4 disks to 6 disks.

User's Manual