Patent ID: 7216210
Filing Date: 2007-05-08
Classification: G06F

Abstract:
1. A system including a computer connected to a storage device which has a primary volume, a plurality of secondary volumes which store copies of data stored in the primary volume, and a controller, the computer comprising: a processor; an input section; and a port to connect the computer to the storage device, wherein the processor sends a command to perform settings related to the secondary volumes to the storage device via the port, based on information inputted via the input section, wherein the command includes information designating a volume group which includes one or a plurality of the secondary volumes; and information designating attributes of the respective secondary volume or volumes included in the volume group; wherein the attribute is information which relates to access to the secondary volume, and includes write inhibit or read/write permission information; wherein the processor, at a time an error occurs in one of the secondary volumes included in the volume group, further sends to the storage device information relating to the number of the secondary volumes in the volume group to be alternatives to the one of the secondary volumes where the error has happened; and wherein the command includes information designating a physical volume ID, an access frequency of a specified secondary volume or spare secondary volume, and an increments-volume.