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BACKUP MANAGEMENT METHOD

  • US 20100299309A1
  • Filed: 07/09/2009
  • Published: 11/25/2010
  • Est. Priority Date: 05/21/2009
  • Status: Abandoned Application
First Claim
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1. A storage system comprising a management computer, a host computer and a storage device, whereinthe host computer provides a first virtual machine and a second virtual machine to the host computer;

  • the host computer, based on an instruction from the management computer, creates a first snapshot file of the first virtual machine at a first time specified by the management computer, and stores the first snapshot file in a first logical volume of the storage device;

    the storage device, based on an instruction from the management computer, replicates in a second logical volume of the storage system the first logical volume;

    the management computer manages the first time in association with the first virtual machine snapshot file as the first snapshot file creation time; and

    the management computer, in a case where the host computer creates a second snapshot file of the second virtual machine at a second time that is before the first time and stores the second snapshot file in the first logical volume, manages the second snapshot file creation time and a snapshot file of the second virtual machine in association with the first snapshot file creation time and a snapshot file of the first virtual machine.

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