Re: how to limit /etc/daily to local only, and cleasring bad nfs mounts

[David Brownlee <abs%absd.org@localhost>]

On Wed, 15 Jun 2022 at 12:21, Steve Blinkhorn <steve%prd.co.uk@localhost> wrote:
>
> More by chance than from a deep understanding of the issue, I found a
> way of restoring sanity when this happens. As superuser:
>
> 1. pkill -9 sendmail tee /bin/sh
> 2. on each server providing nfs service: nfsd -r
>
> Step 1 just speeds everything up - Step 2 might resolve the issue on
> its own, but could take quite some time if there is a backlog of
> stalled processes.  I went from around 660 processes per affected
> server to around 66.  I wish I were clearer about the relationship
> between nfsd, mount_nfs and rpcbind, because of the implications of a
> server auto-rebooting after, say, a power cut, when there is
> significant nfs service between sites.

Nice find (no pun intended :)

Would you be able to put together a PR describing this and the
workaround - both in case someone is looking at the nfs code, and for
anyone else hitting a similar situation to use the workaround?

David