<div dir="auto">If you've been able to replicate the issue with bare metal clients, the the issue likely rests at the server side. The spurious TCP events in the logs might suggest you have a network problem.<div dir="auto"><br></div><div dir="auto">My first guess is that you may have fragmentation causing packet loss and latency affecting NFS (not sure if that's a correct diagnosis as NFS is TCP which should be able to handle a far amount of retransmissions, but I could be wrong).</div><div dir="auto"><br></div><div dir="auto">Also, in my line of work I often see issues with MTU causing all kinds of problems. Check that too and let us know.</div><div dir="auto"><br></div><div dir="auto">A packet capture might help get the evidence to suggest what's going on by following the conversation from a network perspective at least.</div><div dir="auto"><br></div><div dir="auto">HTH</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 22 Feb 2022, 11:25 Brad Campbell, <<a href="mailto:brad@fnarfbargle.com">brad@fnarfbargle.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On 22/2/22 09:54, Benjamin wrote:<br>
> As the adage goes, "It's not DNS, there's no way it's DNS..."<br>
> <br>
> Easy enough to test, swap out the hostname for the direct IP and see if <br>
> you still have the issue :)<br>
> <br>
<br>
Swapped the hostname for direct IP and the issue persists. :(<br>
<br>
Would have been great if it were that easy.<br>
<br>
Regards,<br>
Brad<br>
-- <br>
An expert is a person who has found out by his own painful<br>
experience all the mistakes that one can make in a very<br>
narrow field. - Niels Bohr<br>
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