[OpenAFS] Possible problem with openafs-client or modules 1.4.2

Jose Calhariz jose.calhariz@tagus.ist.utl.pt
Mon, 13 Nov 2006 23:10:09 +0000


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On Mon, Nov 13, 2006 at 02:07:23PM -0500, Derrick J Brashear wrote:
> >>Except that code path can't cause a corrupted file. It may be related b=
ut
> >>that error message (in the fileserver) is not a cause of that client
> >>problem.
> >
> >In my tests the compilation sometimes abort, because of a timeout
> >comunicating with the fileserver, usually happened during a vos
> >backupsys of all volumes.
>=20
> Can you get tcpdump from the client's point of view? Basically, at some=
=20
> point the client is marking the server down, I assume. The question is on=
=20
> the basis of what.

Yes I can. How much detail do you need?  I may need run the tcpdump
for hours to catch the error and the capture file needs to fit on the
empty space of the disk.


>=20
> >Looking for errors in the fileserver I had seen "FindClient: stillborn
> >client" in some of the cases.  Can it be possible when a client is
> >hitting very hard a fileserver, with reads and writes, for this error
> >to happen?
>=20
> Yes. But, that's not necessarily related to the problem you're
> having.

Ok

>=20
> >What I can do to pinpoint the cause of the problem?
>=20
> As above.

I am running it, now.

>=20
> >I can think this problem can hit my prodution clients and servers if I
> >do an upgrade to 1.4.2, now they use 1.3.81, 1.4.0, 1.4.1.
>=20
> There's no new code in 1.4.2 which would cause this. That server log=20
> message was also in 1.4.1, for instance.
>=20
> Derrick
>=20

    Jos=E9 Calhariz

--=20
	A beleza e uma carta de recomendacao a curto prazo.
		-- Ninon de Lenclos=20

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