3.7.4 RAID
![](../images/web-settings/settings/storage/raid/1.png)
RAID (Redundant Array of Independent Disks) is a storage technology that combines multiple disk drive components into a logical unit. A RAID setup stores data over multiple hard disk drives to provide enough redundancy so that data can be recovered if one disk fails.
![](../images/local-operation/storage/raid/raid2.png)
Step1. Enable RAID. NVR will reboot after enabling.
Step2. Select HDD and click "Create" or "Quick Create" to create a new array. New array will be available after a while.
![](../images/web-settings/settings/storage/raid/2.png)
Hot Spare: A disk can be used as the hot spare for any array created in the system.
Rebuild: When the array is in Degraded status, the device can start rebuilding the array automatically with the hot spare disk to ensure the high security and reliability of the data.
- RAID only available for 4K H.265 NVR 7000/8000 Series and 4K H.265 PoE NVR 7000 Series.
- Support more than 16TB capacity for creating the RAID, and the RAID data can be read and written normally. This meets users’ storage requirements for larger capacity.
- Quick Create only for RAID5.