Patent ID: 7788527
Filing Date: 2010-08-31
Classification: G06F

Abstract:
1. A storage system, comprising: a host; a storage apparatus having plural volumes that store data written from the host and plural volumes that store journal data for the data; a management server that manages the storage apparatus; and a backup apparatus that backs up the data written to the storage apparatus, wherein the management server includes: a table that stores, as a change history, at least configuration change and a change time for the plural volumes; a management unit that manages the change history stored in the table; a first acquisition unit that acquires specification of a recovery-target volume and specification of a recovery time; a second acquisition unit that acquires, from the table, information on the specified volume and the specified recovery time after the acquisition of the specification of the recovery-target volume and the specification of the recovery time by the first acquisition unit; a display unit that shows a point of difference between the current configuration of the specified volume and the configuration of the specified volume as of at the specified time in a manner distinguishing it from the other parts in display based on the information acquired by the second acquisition unit and current information on the specified volume; and a recovery control unit that recovers the specified volume to its state as of at the specified time based on the data backed up in the backup apparatus and the journal data after acquisition of an instruction to recover the specified volume to its state as of at the specified time based on the display of the display unit.