Mounting CIFS share from NetAPP fails when specific getinfo 'SMB2_FILE_ALL_INFO' call is made

Solution In Progress - Updated -

Issue

When mounting a share from the NetAPP filer using SMB version 2.0, 2.1 or 3.0 the mount fails with the error: mount error(95): Operation not supported
The same mount using SMBv1 works OK.

mount -t cifs //NetAPP_File_name/Share  /mountpoint  -o credentials=/file_containing _credentials -o vers=2.1

Environment

  • Red Hat Enterprise Linux
    • 7.4
    • 7.5 Beta

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