Patent ID: 8185502
Filing Date: 2012-05-22
Classification: G06F

Abstract:
1. A computer system, comprising: a first host computer that executes an application; a second host computer; a storage system, which is coupled to the first host computer and the second host computer, and which includes a plurality of storage apparatuses that form a plurality of volumes including a first volume allocated to the application; and a management computer, which is coupled to the first host computer, the second host computer and the storage system, and which holds backup schedule information for managing a first time for starting a backup of the first volume, and backup catalog information for managing information related to a backup result, wherein the management computer references the backup schedule information, issues a first instruction to the storage system at the first time, and issues a second instruction to the second host computer after issuing the first instruction, wherein the storage system, in response to the first instruction, backs up the first volume to a second volume at the first time while the first host computer continues to process the application, the second host computer, in response to the second instruction, reads out data of the second volume and acquires a second time, which is the time at which the application is recovery-enabled, and the management computer stores the second time with identification information of the first volume backup in the backup catalog information, wherein the first host computer has a virtual server control program for controlling a virtual server that executes an application, and comprises a cache memory for temporarily storing data,