Apparatus for effecting port switching of fibre channel loops

Details Apparatus for effecting port switching of fibre channel loops Apparatus for effecting port switching of fibre channel loops

1995-09-29

1998-11-24

An, Meng-Ai T.

Boots, shoes, and leggings

395311, 395280, 3952003, 3957501, 364248, 3649521, 360 7812, 360 981, G06F 132

Patent

active

058419977

ABSTRACT:
A fibre channel disk drive operating system configures a plurality of disk drives into a fibre channel drive loop. The system also provides plurality of disk drive controllers, and a software controlled switching circuit electrically connecting the disk drive controllers to the disk drives which are arranged in the fibre channel drive loop in varying selected configurations. The switching circuit has a plurality of switch elements arranged for selectively electrically connecting each fibre channel drive loop to a selected controller. Each switch element in a first mode of operation passes electrical signals in a through direction and in a second mode of operation passes electrical signals in a second bypass direction. Thereby each fibre channel drive loop is electrically connected to a selected one of disk drive controllers prior to operation of the system.

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