[one-users] Problem with raw type on MooseFS and OpenNebula

Christoph Raible c.raible at science-computing.de
Tue May 31 05:23:48 PDT 2011


Hi Ruben,

thx for your reply. The patch works fine for me :)

It would be greate if this option will be integrated into Version 3.0 :)

Thx ;)


Regards,
Chris

Am 26.05.2011 17:10, schrieb Ruben S. Montero:
> Hi,
>
> This feature has been implemented in master, you can take a look at:
>
> http://dev.opennebula.org/issues/553
>
> It should be safe to backport the patch to your installation...
>
> Cheers
>
> Ruben
>
> On Thu, May 26, 2011 at 9:18 AM, Christoph Raible
> <c.raible at science-computing.de <mailto:c.raible at science-computing.de>>
> wrote:
>
>     HI mailinglist,
>
>     I have problems on using OpenNebula with KVM and MooseFS.
>
>     In this combination I can't use Images with the RAW filetype.
>     This is an error/Bug of MooseFS/fuse. Here some quotes from the
>     MooseFS malinglist:
>
>
>
>     ###############
>     MFS is fuse based and fuse does not support O_DIRECT.
>     You need to add cache=writeback to disk defined in
>     /etc/qemu-server/$VID.conf
>     example:
>
>     virtio0: MFS_disks:101/vm-101-disk-1.raw,cache=writeback
>
>     or
>
>     ide0: MFS_disks:101/vm-101-disk-1.raw,cache=writeback
>     #################
>
>
>
>     Now is my question how can I add the cache=writeback option to my
>     deployment file automaticly? Which file generates the deployment file?
>
>     If you need more infos please tell me. Without this "feature" I
>     can't use the contextualizing, beacuse the generated ISO file is
>     insert as raw type into the deployment file.
>
>
>     Thanks for you Help
>
>     Regards,
>
>     Christoph
>     --
>     Vorstand/Board of Management:
>     Dr. Bernd Finkbeiner, Dr. Roland Niemeier, Dr. Arno Steitz, Dr.
>     Ingrid Zech
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>     Sitz/Registered Office: Tuebingen
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>
>
>
> --
> Dr. Ruben Santiago Montero
> Associate Professor (Profesor Titular), Complutense University of Madrid
>
> URL: http://dsa-research.org/doku.php?id=people:ruben
> Weblog: http://blog.dsa-research.org/?author=7

-- 
Vorstand/Board of Management:
Dr. Bernd Finkbeiner, Dr. Roland Niemeier, 
Dr. Arno Steitz, Dr. Ingrid Zech
Vorsitzender des Aufsichtsrats/
Chairman of the Supervisory Board:
Philippe Miltin
Sitz/Registered Office: Tuebingen
Registergericht/Registration Court: Stuttgart
Registernummer/Commercial Register No.: HRB 382196 





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