Disk array device and method for controlling disk array device

Details Disk array device and method for controlling disk array device Disk array device and method for controlling disk array device

2006-10-03

2006-10-03

Portka, Gary (Department: 2188)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output access regulation

C710S074000, C711S114000

Reexamination Certificate

active

07117276

ABSTRACT:
A disk array device includes at least one channel control section for receiving data input/output requests from an information processing device, at least one disk control section for sending data input/output requests to hard disk drives based on the data input/output requests received by the channel control section, and a shared memory for the channel control section and the disk control section to read and write data. Information concerning ports that are actually used by the user is stored in a port control table in the shared memory, and the channel control section refers to the port control table and controls whether to make each port available for use by deciding whether to respond to a primitive sequence in a link initialization received from the information processing device regarding each of the plurality of ports.

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