Rebuilding An Array - HIKVISION 81 Series Quick Operation Manual

Quick Operation Guide of 81 Series Storage System

6.3.2 Rebuilding an Array

The array rebuilding function is used for rescuing the data from the unstable or failure physical disk
existed in the array, aiming to protect data and recover the completeness of the array.
The operation is valid when there is physical disk available in the array which has the same capacity
with the failure disk.
Rebuilding a Hot Spare Disk
The hot spare disk is used to automatically replace the disconnected or failure disk in the array so as
to ensure the data security. It is recommended to add the hot spare disk during the configuration of
RAID.
Two hot spare modes are configurable: Global and Local.

Global Hot Spare
Steps:
1. On the array management interface, click the
hot spare interface:
2. Select the Group from the drop-down menu to Global.
3. Select the available disk to be used as hot spare disk.
4. Click the OK button, and the following dialog box pops up:
Figure 6. 14 Add Global Hot Spare
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button to enter the adding