Patent ID: 7353434
Filing Date: 2008-04-01
Classification: G06F

Abstract:
1. A method of controlling a storage system, wherein: said storage system includes: channel control portions each including a circuit board on which a file access processing portion for receiving file-by-file data input/output requests sent from information processors through a network and an I/O processor for outputting I/O requests corresponding to said data input/output requests to storage devices are formed; disk control portions for performing data input/output of said storage devices in response to said I/O requests sent from said I/O processors; and a computer communicably connected to said channel control portions and said disk control portions; said method comprising: storage regions for storing dump information concerning programs executed by said channel control portions are set in said storage devices; and when one of said disk control portions makes a decision that said I/O request accepted from one of said channel control portions is for any one of said set storage regions, said disk control portion gives a notice of occurrence of failure in said channel control portion to said computer.