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Chapter 15: Storage management
Bad sector detection
You can improve the performance of your HDDs by ensuring that they have no bad
sectors. Bad sectors can slow down an HDD when reading or writing data, for example.
Figure 34: Bad sector detection window
To detect bad sectors:
1. From the menu toolbar, click
Storage Management
>
Bad Sector Detection
.
2. Select the HDD you want to test.
3. Select whether you want to do a key area detection or a full detection, and click
Detect
.
4. The system checks the HDD. The color-coded result is displayed on screen. If there
are bad sectors found, click
Error Info
to see a list of the errors found.
5. If required, click
Pause
to pause the test or
Cancel
to cancel it.
6. Click
Exit
to return to live view.
RAID
RAID is data storage technology. It combines multiple disk drives into a single logical
unit for the purposes of data redundancy or performance improvement.
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TruVision NVR 21 (SP) User Manual