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SubjectRe: [PATCH] sunrpc: use better NUMA affinities
On Sat, 30 Jul 2011 06:08:34 +0200 Eric Dumazet <eric.dumazet@gmail.com>
wrote:

> Le vendredi 29 juillet 2011 à 19:48 -0400, J. Bruce Fields a écrit :
> > On Sat, Jul 30, 2011 at 09:30:25AM +1000, NeilBrown wrote:
> > >
> > > rpc.nfsd 0
> > >
> > > will stop all nfsd threads. Follow with
> > >
> > > exportfs -f
> > >
> > > and you should be done. I'm not 100% sure about the nfsv4 thread though -
> > > would need to check.
> >
> > Should be fine.
> >
>
> What are the needed steps to be able to unload nfsd module ?
>
> So far, I am unable to perform this without using -f option.
>
>
>
>

Kill all nfsd threads.
This can be done with 'kill' or 'rpc.nfsd 0' or
echo 0 > /proc/fs/nfsd/threads
kill mountd
killall rpc.mountd

kill idmapd

unexport everything.
This can be done with 'exportfs -f' and checked by
grep . /proc/net/rpc/*/content
this should only contain comments
unmount the 'nfsd' filesystem
umount /proc/fs/nfsd

rmmod nfsd


(it look me ages to remember idmapd - but
lsof /proc/net/rpc/*/*
gave it away)
NeilBrown
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