Patent ID: 8074099
Filing Date: 2011-12-06
Classification: G06F

Abstract:
1. A failure recovery method in a management server to manage accesses of a plurality of server apparatuses and a memory device in a storage apparatus, wherein the plurality of server apparatuses include an active server and one or more standby servers, and the method comprises the following steps performed by the management server: storing in a memory unit fail-over strategy information associating apparatus information related to the server apparatuses with fail-over methods defining how to change over from one of the server apparatuses to another server apparatus in access of the memory device in the storage apparatus; getting from the memory unit first apparatus information which is the apparatus information for a failed active server previously stored in the memory unit; getting a first fail-over method which is at least one fail-over method for the failed active server from the fail-over strategy information in the memory unit on the basis of the gotten first apparatus information; getting from the memory unit second apparatus information which is the apparatus information for one of the one or more standby servers previously stored in the memory unit; getting a second fail-over method which is at least one fail-over method for the one standby server from the fail-over strategy information in the memory unit on the basis of the gotten second apparatus information; getting a third fail-over method which is common to the fail-over method contained in the first fail-over method and the fail-over method contained in the second fail-over method; and changing over access of the storage apparatus from the failed active server to the one standby server in accordance with the third fail-over method.