From: NeilBrown <neilb@suse.de>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: "J. Bruce Fields" <bfields@fieldses.org>,
Greg Banks <gnb@fastmail.fm>,
Christoph Hellwig <hch@infradead.org>,
"linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>,
David Miller <davem@davemloft.net>,
linux-kernel <linux-kernel@vger.kernel.org>,
netdev <netdev@vger.kernel.org>
Subject: Re: [PATCH] sunrpc: use better NUMA affinities
Date: Sat, 30 Jul 2011 16:06:10 +1000 [thread overview]
Message-ID: <20110730160610.0b751ffd@notabene.brown> (raw)
In-Reply-To: <1311998914.2873.27.camel@edumazet-laptop>
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
WARNING: multiple messages have this Message-ID (diff)
From: NeilBrown <neilb-l3A5Bk7waGM@public.gmane.org>
To: Eric Dumazet <eric.dumazet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: "J. Bruce Fields"
<bfields-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>,
Greg Banks <gnb-97jfqw80gc6171pxa8y+qA@public.gmane.org>,
Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
"linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
David Miller <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>,
linux-kernel
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
netdev <netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH] sunrpc: use better NUMA affinities
Date: Sat, 30 Jul 2011 16:06:10 +1000 [thread overview]
Message-ID: <20110730160610.0b751ffd@notabene.brown> (raw)
In-Reply-To: <1311998914.2873.27.camel@edumazet-laptop>
On Sat, 30 Jul 2011 06:08:34 +0200 Eric Dumazet <eric.dumazet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
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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next prev parent reply other threads:[~2011-07-30 6:06 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20110729153207.17af3085@notabene.brown>
2011-07-29 6:05 ` Fw: [PATCH] sunrpc: use better NUMA affinities Greg Banks
2011-07-29 6:30 ` Eric Dumazet
2011-07-29 6:30 ` Eric Dumazet
2011-07-29 6:53 ` Greg Banks
2011-07-29 6:53 ` Greg Banks
2011-07-29 10:36 ` Christoph Hellwig
2011-07-29 10:36 ` Christoph Hellwig
2011-07-29 11:58 ` Greg Banks
2011-07-29 12:11 ` Eric Dumazet
2011-07-29 13:30 ` Greg Banks
2011-07-29 13:30 ` Greg Banks
2011-07-29 13:30 ` Greg Banks
2011-07-29 16:48 ` J. Bruce Fields
2011-07-29 16:48 ` J. Bruce Fields
2011-07-29 16:53 ` J. Bruce Fields
2011-07-29 18:15 ` Eric Dumazet
2011-07-29 18:15 ` Eric Dumazet
2011-07-29 20:34 ` Greg Banks
2011-07-29 20:34 ` Greg Banks
2011-07-29 23:30 ` NeilBrown
2011-07-29 23:30 ` NeilBrown
[not found] ` <20110730093025.716f3f50-wvvUuzkyo1EYVZTmpyfIwg@public.gmane.org>
2011-07-29 23:48 ` J. Bruce Fields
2011-07-29 23:48 ` J. Bruce Fields
2011-07-29 23:48 ` J. Bruce Fields
2011-07-30 4:08 ` Eric Dumazet
2011-07-30 4:08 ` Eric Dumazet
2011-07-30 4:08 ` Eric Dumazet
2011-07-30 6:06 ` NeilBrown [this message]
2011-07-30 6:06 ` NeilBrown
2011-07-30 6:23 ` Eric Dumazet
2011-07-30 6:23 ` Eric Dumazet
2011-07-31 6:58 ` Eric Dumazet
2011-07-31 6:58 ` Eric Dumazet
2011-08-27 0:02 ` J. Bruce Fields
2011-08-28 10:02 ` Eric Dumazet
2011-08-28 10:02 ` Eric Dumazet
2011-08-02 1:06 ` J. Bruce Fields
2011-08-02 1:06 ` J. Bruce Fields
2011-07-29 16:45 ` Fw: " J. Bruce Fields
2011-07-29 20:24 ` Greg Banks
2011-07-29 16:48 ` Fw: " J. Bruce Fields
2011-07-29 16:48 ` J. Bruce Fields
2011-07-28 18:04 Eric Dumazet
2011-07-29 16:42 ` J. Bruce Fields
2011-07-29 16:42 ` J. Bruce Fields
2011-07-29 18:02 ` Eric Dumazet
2011-07-29 18:02 ` Eric Dumazet
2011-07-29 18:08 ` J. Bruce Fields
2011-07-29 18:08 ` J. Bruce Fields
2011-07-29 20:39 ` Greg Banks
2011-07-29 20:39 ` Greg Banks
2011-08-05 21:28 ` J. Bruce Fields
2011-08-05 21:28 ` J. Bruce Fields
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