Local Basic Operations 266
Figure 4-234
Step 4 You can select Local Hotspare or Global Hotspare.
Local Hotspare: Select the target disk, and the new disk will serve as the hot spare
disk of the selected disk.
Global Hotspare: the new disk will serve as the hot spare disk of the entire RAID.
Step 5 Click OK.
Click behind a hot spare disk to delete it.
4.13.8 Record Estimate
Record estimate function can calculate how long you can record video according to the HDD
capacity, and calculate the required HDD capacity according to the record period.
Step 1 Select Main Menu > STORAGE > REC ESTIMATE.
The REC ESTIMATE interface is displayed. See Figure 4-235.
Figure 4-235
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