Dahua NVR41 Series User Manual page 351

Step 2 You can click Create RAID or Create Manually, and all the disks involved will be
formatted.
● Click Create RAID, the system will create RAID automatically.
If there is no existing RAID and no hot spare disk, the system will create
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RAID5 and a hot spare disk automatically.
If there is no existing RAID, but existing hot spare disk, the system will only
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create RAID5 and use the existing hot spare disk automatically.
If there is existing RAID and existing hot spare disk, the system will delete the
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original RAID and create RAID5 with all the disks and use the existing hot
spare disk automatically.
● Click Create Manually.
1. Select RAID type and disks as system instructed.
2. Click Create Manually, and then the format disk notice is displayed.
3. Click OK.
Step 3 After creating RAID, the disks need to sync with each other to finish the process. For
RAID5 and RAID6, you can select different working mode.
● Self-Adaptive: Automatically adjust the RAID sync speed according to the
business status.
When there is no business running, sync is performed at a high speed.
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When there is business running, sync is performed at a low speed.
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● Sync First: Resource priority is assigned to RAID sync.
● Business First: Resource priority is assigned to business operations.
● Balance: Resource is evenly distributed to RAID sync and business operations.
Figure 4-235
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User's Manual