Patent ID: 7243248

Claim:
A data storage system comprising: a disk drive assembly including a plurality of disk drives; a first processor for controlling access to the disk drive assembly; a second processor for controlling access to the disk drive assembly; a first power supply for supplying power to the first processor and to the disk drive assembly; and a second power supply for supplying power to the second processor and to the disk drive assembly; wherein the first power supply and the second power supply each include a first voltage output, the data storage system further including a first bus coupled between the first voltage output of the first power supply, the first voltage output of the second power supply and at least a portion of the plurality of disk drives of the disk drive assembly; and wherein the first power supply and the second power supply each include a second voltage output, the data storage system further including a second bus coupled between the second voltage output of the first power supply, the second voltage output of the second power supply and at least a portion of the plurality of disk drives of the disk drive assembly.