NFS: recover your client connexion when server was down


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I recently had the case, where I lost connexion of my NFS client connexion because NFS server crashed. The problem I had is simple, some of clients couldn’t recover their connexion because the old one was still shown as already connected.

And when I tried to remount NFS clients connexions, I got:

The solution to recover was to unexport connexions from the server:

If you want to know a little bit more about it, you can check my wiki page on NFS. I think this kind of issue may be less present in the version 4 of the NFS protocol, but I didn’t try to reproduce it with the 4 version. Any feedback will be appreciated 😉

Hope this will help

Author: Deimos

I'm a passionate DevOps. I love transmit my skills and I love working on high availability infrastructures/technologies.

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