LT Security LTN8600 Series NVR (V2.3.2) - Manual (Page 157)

User Manual of 9600/8600/7700/7600 Series NVR
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Figure 10. 14 Physical Disk Settings Interface
13. Select a disk and click to enter the Set Hot Spare interface.
Figure 10. 15 Set Hot Spare Interface
14. Set the hot spare type of the selected HDD to Global Hot Spare or the specified hot spare for the existing
array.
Global Hot Spare: It can be used as the hot spare for any array created in the system.
Array Hot Spare (e.g. RAID 5): It can be used as the hot spare for the specified array only.
15. Click OK button to finish the settings.
Note: When the auto-rebuild function is enabled, the hot spare disk will be automatically used for array
rebuilding if the virtual disk is in Degraded status.