About Virtual Disks

Redundant Array of Independent Disks (RAID) systems provide storage by making the data on many small disks readily available to file servers, hosts, or the network as a single array. RAID systems use two or more drives in combination for fault tolerance and performance. One of the factors in data throughput and availability is how the data is stored within the array, that is, the array's RAID level.

On the system, disk drives within a tray are grouped together into RAID sets, also called virtual disks, according to their RAID level. The storage arrays support the following RAID levels:

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