[Lustre-discuss] Future of lustre 1.8.3+
Ramiro Alba Queipo
raq at cttc.upc.edu
Wed May 26 08:31:59 PDT 2010
Hi Guy,
On Wed, 2010-05-26 at 14:59 +0100, Guy Coates wrote:
> >>
> >>> The SLES11 kernel is at 2.6.27 so it could be usable for this. Also, I
> >>>
> >> Ok, I am getting
> >> http://downloads.lustre.org/public/kernels/sles11/linux-2.6.27.39-0.3.1.tar.bz2
> >>
> >> but, please. Where can I get a suitable config file to apply both for
> >> servers and clients?
>
> One thing to watch out for in your kernel configs is to make sure that:
>
> CONFIG_SECURITY_FILE_CAPABILITIES=N
OK. But the question is if this issue still applies for lustre-1.8.3 and
SLES kernel linux-2.6.27.39-0.3.1.tar.bz2. I mean, is quite surprising
that if this problems persist, Oracle is offering lustre packages for
SLES11 with CONFIG_SECURITY_FILE_CAPABILITIES=y ???????
I am just about to start testing, so I'd like to clarify this.
Cheers
>
> otherwise you will run into:
>
> https://bugzilla.lustre.org/show_bug.cgi?id=21439
>
> (each write call causes 2 getxattr calls, which will pound your MDS into
> the ground).
>
> The SLES11, debian/lenny and ubuntu kernels all have this feature set,
> so if you are building clients against those kernels, you may be in
> trouble.
>
>
> Cheers,
>
> Guy
>
> --
> Dr. Guy Coates, Informatics System Group
> The Wellcome Trust Sanger Institute, Hinxton, Cambridge, CB10 1HH, UK
> Tel: +44 (0)1223 834244 x 6925
> Fax: +44 (0)1223 496802
>
>
> --
> The Wellcome Trust Sanger Institute is operated by Genome Research
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> company registered in England with number 2742969, whose registered
> office is 215 Euston Road, London, NW1 2BE.
>
--
Ramiro Alba
Centre Tecnològic de Tranferència de Calor
http://www.cttc.upc.edu
Escola Tècnica Superior d'Enginyeries
Industrial i Aeronàutica de Terrassa
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