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Non-Disruptive File Migration

  • US 20090254592A1
  • Filed: 11/11/2008
  • Published: 10/08/2009
  • Est. Priority Date: 11/12/2007
  • Status: Active Grant
First Claim
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1. In a switched file system having a file switch in communication with a plurality of file servers including at least a source server and a destination server, where the source server manages a source native volume, a method for non-disruptive migration of the native volume from the source server to the destination server, the method comprising:

  • converting, by the file switch, the source native volume to a native with metadata volume using a local file system managed by the file switch;

    converting, by the file switch, the native with metadata volume to a mirrored native with metadata volume including the source server and the destination server, the destination server including a mirror copy of the native with metadata volume;

    removing, by the file switch, the source server from the mirrored native with metadata volume; and

    converting, by the file switch, the mirror copy of the native with metadata volume on the destination server to a destination native volume on the destination server.

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