Patent ID: 7653767
Filing Date: 2010-01-26
Classification: G06F

Abstract:
1. A configuration of an array of storage devices compliant with a fibre-channel arbitrated loop (FC-AL) specification, comprising: a plurality of storage devices; first and second controllers coupled to the plurality of storage devices, the first and second controllers including integrated first and second SCSI enclosure services (SES) processing devices acting as leader processors; and third and fourth controllers coupled to the first and second controllers and to the plurality of storage devices, the third and fourth controller acting as subordinate processors and including integrated third and fourth SCSI enclosure services (SES) processing devices, wherein: each of the SES processing devices synchronizes and merges data, including status data maintained by each of the SES processing devices into a single status page reflecting the resources of an enclosure, to create a single control image for the entire configuration, and presents a single SES instance to a storage device interconnect network and to host controller software.