I had this happen once before in the long long ago. I wound up creating a new nfs server with an export of the same name. The client was then able to dismount. Certainly a PITA, a reboot though cause for self loathing may be simpler.
If you mount from fstab in the future make sure you soft mount it. Dot Yet wrote:
Hello, I've a stale nfs mount stuck on one of the client machines. The NFS server was powered down and decommissioned, but the client did not umount the nfs directory beforehand. Is there a way for me to clean up the stale nfs connection on the client side without restarting the machine? I've tried umount -f, but that did not help. Let me know if there is a simpler way. Thanks, dot.
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