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Vscan exclusion mismatch causing file locking on .Req Files

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9
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Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

  • AFF
  • 9.x Ontap
  • CIFS/SMB

Issue

  • Users are experiencing intermittent file locking issues at the application layer.
  • The application creates files with the .Req extension and attempts to reopen and append data.
  • These operations intermittently fail with errors such as: The process cannot access the file because it is being used by another process.
  • The issue is observed even though the affected file paths and extensions are configured as excluded from Vscan scanning.
  • This behavior results in:
    • Temporary inability to access or modify files
    • Disruption to application workflows involving file creation and updates
  • The packet trace confirms a consistent STATUS_ACCESS_DENIED error occurring when the application attempts to reopen a file it has just created, in order to append/write additional data.

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