Partitioning of storage channels using programmable switches

Details Partitioning of storage channels using programmable switches Partitioning of storage channels using programmable switches

2006-01-03

2006-01-03

Vo, Tim (Department: 2112)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus interface architecture

C710S305000, C710S109000

Reexamination Certificate

active

06983343

ABSTRACT:
A data storage system having a first storage channel, a first controller coupled to the first storage channel, a first storage device coupled to the first storage channel, a second storage channel, a second storage device coupled to the second storage channel, and a switch coupled to the first storage channel and the second storage channel. The switch separates the first storage channel from the second storage channel in a first state and connects the first storage channel and the second storage channel in a second state. Also described is a method of controlling a data storage system having a first storage channel, a first storage device coupled to the first storage channel, an operational controller coupled to the first storage channel, a second storage channel, a second storage device coupled to the second storage channel, and a switch coupled to the first storage channel and the second storage channel. The method includes detecting whether an operational controller is coupled to the second storage channel and if an operational controller is coupled to the second storage channel, then opening the switch.

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