Chuck Lever wrote:
The exact retry behavior depends on whether user space or the kernel
is trying to do the talking. NFSv4 and text-based NFSv2/v3 mounts do
most of the talking from the kernel. Text-based mounts do a user
space pmap query or two, but the MNT request comes from the kernel.
Also, UDP retries a few times, but usually gives up after 30 seconds
or so, but TCP can retry the transport connect for over 3 minutes,
even before it gets to send any requests at all.
I'm pretty sure I didn't answer your question.
Thanks Chuck, you actually nailed what I didn't ask properly.
The UDP retries being at 30s correlates with what I was seeing.
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