Patent ID: 7664945
Filing Date: 2010-02-16
Classification: G06F

Abstract:
1. A computer system comprising: a plurality of diskless servers; a storage system coupled to the plurality of diskless servers, having a plurality of logical units storing OSes and applications corresponding to the plurality of diskless servers, and a maintenance logical unit formatted by a file system and storing a bootloader program and a plurality of boot files; wherein each of the plurality of boot files includes a maintenance OS and a checking application program corresponding to each of the plurality of diskless servers for use in case of fault associated with the storage system; and wherein a certain diskless server, which is one of the plurality of diskless servers related to the fault associated with the storage system, reads the bootloader program from the maintenance logical unit, identifies a certain boot file from the plurality of boot files based on an identifier of the certain diskless server by executing the bootloader program, reads the certain boot file, and executes the maintenance OS and the checking application program stored in the certain boot file.