NFS connection problem to QNAP-NAS after upgrade from 3.2-2 to 3.2-4

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Klaus Pilhofer

New Member
Jun 23, 2014
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Hi,
Today I performed an upgrade from PVE 3.2-2 to 3.2-4.
Unfortunately since then I am unable to connect to our QNAP NAS that we use for Backup and ISO's.
As long as there is an ISO (residing on the NAS) mounted to a VM as a virtual CD-drive, it is impossible to start the VM.
I get the error message:
"Error: mount error: mount.nfs: requested NFS version of transport protocol is not supported"
When I remove the ISO from the VM it starts immediately.
When I try to list the content of the NAS Storage I get the same error:
"Error: mount error: mount.nfs: requested NFS version of transport protocol is not supported (500)"
Is there a solution to this problem? The QNAP is running QTS 4.0.7. Should upgrading the NAS-OS to QTS 4.1.0 be of any help? (Would hate to make things worse...)
Without the NAS connected there will be no backups, which we consider a very bad thing.
Any help will be highly appreciated, thank you.
 
SOLVED.
After several unfruitful attempts following advice from other threads I decided to upgrade the QTS on the NAS.
After reboot of the NAS the connectivity is restored.
In hindsight I regret I did not perform a simple NAS-reboot (without firmware upgrade) so I cannot determine if it was the newer firmware or just the reboot that did the trick.

On a sidenote I want to thank the developers for this amazing piece of software!!

Kind regards.
 
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