Storage subsystem that connects fibre channel and supports...

Details Storage subsystem that connects fibre channel and supports... Storage subsystem that connects fibre channel and supports...

2011-03-08

2011-03-08

Bataille, Pierre-Michel (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S167000

Reexamination Certificate

active

07904646

ABSTRACT:
A disk array connected to a storage area network via a fiber channel has one or more ports each controlled by a processor. Even the disk array with one port and one processor executes online processing and backup processing at the same time while considering an online processing load. A port controller not only accepts a request from a host computer but issues a request to other storage controllers to allow online processing and backup processing to be executed at the same time. In addition, the disk array, if provided with a plurality of ports, selects ports or schedules processing depending upon the load to prevent backup processing from affecting online processing performance.

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