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Virtual Deletion In Merged File System Directories

  • US 20080109394A1
  • Filed: 11/02/2006
  • Published: 05/08/2008
  • Est. Priority Date: 11/02/2006
  • Status: Active Grant
First Claim
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7. A method for providing a view of a plurality of file system directories comprising a view of a virtual merged directory comprising a plurality of file system directories to processes running in a silo comprising:

  • monitoring access requests made by a process running in the silo using a filter driver in an operating system, wherein the filter driver detects virtual deletion of an element of a file system by presence of a deletion marker associated with the element;

    in response to detecting the deletion marker, performing processing associated with a type of file access request wherein the element associated with the deletion marker is filtered from the view of the plurality of file system directories.

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