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NetApp ONTAP: CIFS error "Can't read from source file or disk" or "A device attached to the system is not functioning"

Last Updated:

Applies to

  • ONTAP 9
  • Vscan


  • Users are unable to open files from a share
  • Users are unable to create files on a share.
  • Client Error Messages:

Can't read from the source file or disk

A device attached to the system is not functioning

  • When changing the fileops profile for the share to none, the issue no longer exists

1. Record vscan-fileop-profile value:

::> cifs share show -vserver SVM1 -fields vscan-fileop-profile

2.  Set to no-scan

::> cifs share modify -vserver SVM1 -share-name DATA -vscan-fileop-profile no-scan

3. Test access

4. Revert if desirable

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