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Storage system format for transaction safe file system

  • US 20080172426A1
  • Filed: 01/16/2007
  • Published: 07/17/2008
  • Est. Priority Date: 01/16/2007
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a data storage device having a file system, said file system comprising;

    a first file allocation table adapted to store addresses describing chains of storage segments;

    a first bitmap image adapted to store an allocation bit for each of said storage segments;

    a second file allocation table being a synchronized copy of said first file allocation table;

    a second bitmap image being a synchronized copy of said first bitmap image;

    a pointer adapted to indicate that said first file allocation table and said first bitmap image are last known good.

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