http://bugzilla.suse.com/show_bug.cgi?id=986395
http://bugzilla.suse.com/show_bug.cgi?id=986395#c13
--- Comment #13 from Neil Brown ---
I've done some experimenting.
An NFSv4 TCP connection never goes idle for more than about 5 minutes as it
sends a periodic "RENEW" requests, so there is no chance of the clean
change-over to the new address happening automatically.
I set up temp address to be deprecated after 120 seconds and expired after 500
so I could test things a bit more easily.
When the address I used to mount from expired, the client started ignoring
replies from the server as expected and this continued for 5.5 minutes without
the connection being broken, which is longer than I expected. It should be 3
minutes I think.
But then the connection just started working again. The client started using
the same temp IP address as before. Is that expected?
I'll keep exploring.
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