Patent ID: 7644199

Claim:
A disk array device coupled to an information processing device and storing data sent from said information processing device, said disk array device comprising: a controller frame comprising: a first controller controlling to write data, sent from said information processing device, according to Fibre Channel (FC) standard; and a second controller controlling to write data, sent from said information processing device, according to FC standard; and a disk drive frame comprising: a plurality of disk drive canisters each comprising a disk drive; a first control board comprising a first switching circuit and being used to relay data, sent from said first controller, to said disk drives in each of said disk drive canisters according to FC standard; and a second control board comprising a second switching circuit and being used to relay data, sent from said second controller, to said disk drives in each of said disk drive canisters according to FC standard, when a fault occurs in said first controller; wherein said disk drive frame is capable of comprising either a plurality of first disk drive canisters or a plurality of second disk drive canisters as said disk drive canisters, said disk drive frame comprising said first control board and said second control board in each case; wherein said first disk drive canisters each comprise a first disk drive corresponding to a conversion board, said first disk drive transferring/receiving data according to a Serial AT Attachment (SATA) standard, said conversion board converting between a Fibre Channel (FC) protocol and a SATA protocol; and wherein said second disk drive canisters each comprise a second disk drive, said second disk drive transferring/receiving data according to FC standard.