openstack team mailing list archive

[Sylvain Bauza <sylvain.bauza@xxxxxxxxxxxx>]

Agree.
As for other shared FS, this is *highly* important to make sure Nova UID 
and GID are consistent in between all compute nodes.
If this is not the case, then you have to usermod all instances...

-Sylvain

Le 11/04/2013 16:49, Razique Mahroua a écrit :
> Hi JP,
> my bet is that this is a writing permissions issue. Does nova has the 
> right to write within the mounted directory?
>
> *Razique Mahroua** - **Nuage & Co*
> razique.mahroua@xxxxxxxxx <mailto:razique.mahroua@xxxxxxxxx>
> Tel : +33 9 72 37 94 15
>
>
>
> Le 11 avr. 2013 à 16:36, John Paul Walters <jwalters@xxxxxxx 
> <mailto:jwalters@xxxxxxx>> a écrit :
>
> > Hi,
> >
> > We've started implementing a Glusterfs-based solution for instance 
> > storage in order to provide live migration.  I've run into a strange 
> > problem when using a multi-node Gluster setup that I hope someone has 
> > a suggestion to resolve.
> >
> > I have a 12 node distributed/replicated Gluster cluster.  I can mount 
> > it to my client machines, and it seems to be working alright.  When I 
> > launch instances, the nova-compute log on the client machines are 
> > giving me two error messages:
> >
> > First is a qemu-kvm error: could not open disk image 
> > /exports/instances/instances/instance-00000242/disk: Invalid argument
> > (full output at http://pastebin.com/i8vzWegJ)
> >
> > The second error message comes a short time later ending with 
> > nova.openstack.common.rpc.amqp Invalid: Instance has already been created
> > (full output at http://pastebin.com/6Ta4kkBN)
> >
> > This happens reliably with the multi-Gluster-node setup.  Oddly, 
> > after creating a test Gluster volume composed of a single brick and 
> > single node, everything works fine.
> >
> > Does anyone have any suggestions?
> >
> > thanks,
> > JP
> >
> >
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