You should check your syslog for app armor denied messages. It is possible app armor is getting in the way here.
Vish On Apr 11, 2013, at 8:35 AM, John Paul Walters <jwalt...@isi.edu> wrote: > Hi Sylvain, > > I agree, though I've confirmed that the UID and GID are consistent across > both the compute nodes and my Glusterfs nodes. > > JP > > > On Apr 11, 2013, at 11:22 AM, Sylvain Bauza <sylvain.ba...@digimind.com> > wrote: > >> 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.mahr...@gmail.com >>> Tel : +33 9 72 37 94 15 >>> >>> >>> >>> Le 11 avr. 2013 à 16:36, John Paul Walters <jwalt...@isi.edu> 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 >>>> >>>> >>>> _______________________________________________ >>>> Mailing list: https://launchpad.net/~openstack >>>> Post to : openstack@lists.launchpad.net >>>> Unsubscribe : https://launchpad.net/~openstack >>>> More help : https://help.launchpad.net/ListHelp >>> >>> >>> >>> _______________________________________________ >>> Mailing list: https://launchpad.net/~openstack >>> Post to : openstack@lists.launchpad.net >>> Unsubscribe : https://launchpad.net/~openstack >>> More help : https://help.launchpad.net/ListHelp >> > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp
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