User's Manual
357
Figure 5-243 Disk manager
View HDD Information
You can view the physical position, properties, status and storage capacity of each HDD.
Configure HDD Properties
In the
Properties
column, you can set read and wire, read-only and redundant HDD.
When there are two or more HDDs installed on the Device, you can set one HDD as redundant disk
to back up recorded files.
Format HDD
Select an HDD, click
Format
, and then follow the on-screen prompts to format the HDD.
●
Formatting will erase all data in the HDD, proceed with caution.
●
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.
Summary of Contents for NVR21-4KS3 Series
Page 1: ...Network Video Recorder User s Manual ZHEJIANG DAHUA VISION TECHNOLOGY CO LTD V2 3 5...
Page 97: ...User s Manual 77 Figure 2 118 Alarm input port 1...
Page 123: ...User s Manual 103 S3 NVR41 EI NVR41 P EI NVR41 8P EI Figure 3 48 Typical connection...
Page 129: ...User s Manual 109 Series Figure 3 56 Typical connection...
Page 142: ...User s Manual 122 Figure 5 9 Unlock pattern login...
Page 156: ...User s Manual 136 Figure 5 24 AcuPick human detection...
Page 225: ...User s Manual 205 Figure 5 92 AcuPick human detection...
Page 399: ...User s Manual 379 Figure 5 268 Pattern login...
Page 436: ...User s Manual 416 Figure 5 306 File management Step 2 Click Add Figure 5 307 Add file...
Page 456: ...User s Manual 436 Figure 5 330 Shutdown 2...
Page 485: ...User s Manual...
