I found the issue in my case. Our network firewall was blocking cifs
communication between my server and my storage.
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https://bugs.launchpad.net/bugs/1734700
Title:
mounting CIFS share
More details about the version of the package that I have installed on my
system.
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cifs-utils 2:6.9-1ubuntu0.1
keyutils 1.6-6ubuntu1
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https://bugs.launchpad.net/bugs/1734700
Title:
In my case the keyutils package did not resolve the issue. I still
getting the erro below:
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CIFS: Attempting to mount //pof-fs08/pgbackups
No dialect specified on mount. Default has changed to a more secure dialect,
SMB2.1 or later (e.g. SMB3), from CIFS (SMB1). To use the less secure SMB1
