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Disk driver cluster management of time shift buffer with file allocation table structure

  • US 7,769,925 B2
  • Filed: 05/05/2006
  • Issued: 08/03/2010
  • Est. Priority Date: 12/05/2001
  • Status: Expired due to Fees
First Claim
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1. A computer readable medium having a file allocation table encoded thereon, said table comprising:

  • a first data structure comprising file list entries for files, wherein the file list entries include clusters allocated for each of the files; and

    a second data structure comprising cluster list entries for the clusters, wherein the cluster list entries identify the clusters and a quantity of the files that simultaneously share each one of the clusters, wherein a quantity value is at least two, and wherein a quantity value greater than one indicates that the cluster not be deleted.

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