Patent ID: 7380088
Filing Date: 2008-05-27
Classification: G06F,G11B,Y02D

Abstract:
1. A data storage system, comprising: a plurality of virtual storage device units, each including: a system enclosure, wherein said plurality of virtual storage device units are housed within said system enclosure, wherein any one virtual storage device unit can be removed from said system enclosure as a single field replaceable unit, wherein for each virtual storage device unit including more than one physical storage device said controller concatenates data on said plurality of physical storage devices, wherein each virtual storage device unit effectively operates as if it were comprised of a single physical storage device, wherein a first physical storage device in a first virtual storage device unit provides a first range of storage addresses, wherein a second physical storage device in said first virtual storage device unit provides a second range of storage addresses, and wherein data is not stored in said second range of storage addresses until data has been written to all storage addresses included in said first range of storage addresses; a power supply,