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List:       linux-nfs
Subject:    Re: [NFS] RELEASE CANDIDATE - nfs-utils-1.1.0-rc1
From:       "J. Bruce Fields" <bfields () fieldses ! org>
Date:       2007-03-29 16:35:21
Message-ID: 20070329163521.GB6143 () fieldses ! org
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On Thu, Mar 29, 2007 at 10:20:43AM -0400, Trond Myklebust wrote:
> On Thu, 2007-03-29 at 14:44 +0200, Jan Rekorajski wrote:
> 
> > >   - idmapd and svcgssd should be started before nfsd
> > 
> > Here I must disagree, my experience shows that idmapd must be started (or
> > at least restarted) after mountd (or exportfs) is run.
> > I had no id mapping when I started idmapd before mountd/nfsd.
> 
> The only reason I can think of why you might have to restart idmapd
> after mountd is if your idmapd init script is failing to
> mount /proc/fs/nfsd.
> 
> > >  idmapd/svcgssd/gssd:
> > >    simply provide service to the kernel modules.   So they should
> > >    be running before the kernel wants them.
> > 
> > What's troubling me here is svcgssd - does it behave like idmapd and
> > requires mountd? My quick investigation in the source telss me it is so.
> 
> Ditto. svcgssd also assumes that you have mounted /proc/fs/nfsd. Fix
> your svcgssd init script if this is not already the case.

That's been a common source of errors in the past.  Maybe svcgssd and
idmapd should be taught to watch for changes to the /proc/ directories
it cares about, maybe using dnotify or inotify.

--b.

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