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Partial Block Based Backups

  • US 20110218967A1
  • Filed: 03/08/2010
  • Published: 09/08/2011
  • Est. Priority Date: 03/08/2010
  • Status: Abandoned Application
First Claim
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1. A method of backing up a file system to a backup storage system, said file system being stored on a storage system as a plurality of blocks of data, said method comprising:

  • analyzing said file system to identify a set of said blocks of data to backup;

    performing one or more partial backups by selecting a subset of said blocks of data to perform a partial backup, backing up each of said subset of blocks of data to create a partial backup on said backup storage system, said partial backup being unusable for restore operations;

    performing a final partial backup by selecting remaining blocks of data that have not been backed up by said one or more partial backups, backing up said remaining blocks of data, and creating a final backup comprising said one or more partial backup, said final backup being usable for restore operations.

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