Patent ID: 6381675
Filing Date: 2002-04-30
Classification: G06F

Abstract:
A switching mechanism for switching between disk apparatuses in a disk array system, said mechanism comprising:a plurality of array controller connectors connected to a first signal line for a data transfer to/from a plurality of array controllers; a plurality of disk apparatus connectors connected to a second signal line for a data transfer to/from a disk apparatus in which writing/reading of said data is controlled by said array controllers, said disk apparatus being unable to recognize more than one array controller at a time; a plurality of connection lines for connections between said plurality of array controller connectors and said disk apparatus connectors; a plurality of switch circuits provided on said connection lines for one-to-one connection between said plurality of array controller connectors and said disk apparatus connectors; and an array controller switching circuit provided in said switch circuits and upon reception of a path switching signal from said array controllers, establishing a connection between an array controller corresponding to said path switching signal and said disk apparatus connectors.