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Method and system for generating and restoring a backup image

  • US 8,046,332 B1
  • Filed: 05/03/2010
  • Issued: 10/25/2011
  • Est. Priority Date: 02/11/2004
  • Status: Active Grant
First Claim
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1. A method comprising:

  • generating, by a storage server, a backup image offset map indicating a relative location where a file is stored in the backup image before file data has been written to the backup image;

    storing, by the storage server, the backup image offset map in a portion of the backup image on a storage device,wherein the backup image offset map comprises an array having a number of elements equal to a number of inodes on a file system that hosts a backup path, an element of the array representing an inode on the file system and indicating the relative location where a file that is associated with a number of the inode is stored in the backup image.

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