Storage router and method for providing virtual local storage

G - Physics – 06 – F

Patent

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Details

G06F 13/00 (2006.01) G06F 13/40 (2006.01)

Patent

CA 2315199

A storage router (56) and storage network (50) provide virtual local storage on remote SCSI storage devices (60, 62, 64) to Fibre Channel devices. A plurality of Fibre Channel devices, such as workstations (58), are connected to a Fibre Channel transport medium (52), and a plurality of SCSI storage devices (60, 62, 64) are connected to a SCSI bus transport medium (54). The storage router (56) interfaces between the Fibre Channel transport medium (52) and the SCSI bus transport medium (54). The storage router (56) maps between the workstations (58) and the SCSI storage devices (60, 62, 64) and implements access controls for storage space on the SCSI storage devices (60, 62, 64). The storage router (56) then allows access from the workstations (58) to the SCSI storage devices (60, 62, 64) using native low level, block protocol in accordance with the mapping and the access controls.

L'invention porte sur un routeur (56) de mémoire et sur un réseau (50) de stockage assurant un stockage local virtuel sur des mémoires (60, 62, 64) SCSI (interface mini-ordinateurs) raccordées à des dispositifs à canaux de fibres optiques. Une pluralité de dispositifs à canaux de fibres optiques tels que des stations de travail (58) sont raccordés à un support d'acheminement (52) à canaux de fibres optiques, et une pluralité de mémoires SCSI (60, 62, 64) sont raccordées à un support d'acheminement (54) à bus SCSI. Le routeur (56) de mémoire assure l'interface entre le support d'acheminement (52) à canaux de fibres optiques et le support d'acheminement (54) à bus SCSI. Le routeur (56) de mémoire établit une correspondance entre les stations de travail (58) et les mémoires SCSI (60, 62, 64) et met en oeuvre des commandes d'accès pour espacer le stockage sur les mémoires SCSI (60, 62, 64). Le routeur (56) de mémoire permet également l'accès aux mémoires SCSI (60, 62, 64) à partir des stations des stations de travail (58) au moyen d'un protocole en bloc, naturel, à bas niveau conformément à la mise en correspondance et aux commandes d'accès.

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