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Switch device, system, backup method and computer program

  • US 20060080370A1
  • Filed: 09/28/2005
  • Published: 04/13/2006
  • Est. Priority Date: 09/29/2004
  • Status: Active Grant
First Claim
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1. A backup management system comprising:

  • a plurality of file devices, each including a file system;

    means for commanding said plurality of file devices to start the generation of snapshots, which are fixed images of said file systems at a certain point in time;

    said plurality of file devices generating respective snapshots responsive to a command for starting the generation of said snapshots; and

    means for setting a link across a plurality of snapshots to generate a virtual snapshot so that said plurality of snapshots generated by said file devices corresponds to a consolidated file system structure of said plurality of file systems at the time of snapshot generation;

    whereby backup and/or restore may be made using said virtual snapshot.

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