About Virtual Disks

Virtual disks are created and removed indirectly through the process of creating or deleting volumes or snapshots. The disk drives that participate in the virtual disk must all be of the same type, either Serial Attached Technology Advancement (SATA) or Fibre Channel (FC). 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. Redundant arrays of independent disks (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.

In the Sun StorEdge 6130 array, disk drives within a tray are grouped together into RAID sets, also called virtual disks, according to RAID level. The array supports the following levels:

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