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Remote disaster recovery and data migration using virtual appliance migration

  • US 7,143,307 B1
  • Filed: 03/15/2002
  • Issued: 11/28/2006
  • Est. Priority Date: 03/15/2002
  • Status: Active Grant
First Claim
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1. A method for efficiently creating and serving a backup data set on a backup server located at a remote site from a primary server, the method comprising the steps of:

  • organizing the primary server into one or more virtual servers (vservers) including a primary vserver,configuring the primary vserver to serve a primary data set stored at the primary server for a client;

    moving an entire operating environment of the primary data set stored at the primary server to be stored at the backup server, the step of moving including copying external configuration that describes, in part, resources of the primary server available to the primary vserver, to create an encapsulated copy of the external configuration in the backup data set; and

    in response to unavailability of the primary server or primary vserver, instantiating a backup vserver on the backup server using the copy of the external configuration, to serve the backup data set for the client.

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