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 <[email protected]> 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 >> [email protected] >> Tel : +33 9 72 37 94 15 >> >> >> >> Le 11 avr. 2013 à 16:36, John Paul Walters <[email protected]> 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 : [email protected] >>> Unsubscribe : https://launchpad.net/~openstack >>> More help : https://help.launchpad.net/ListHelp >> >> >> >> _______________________________________________ >> Mailing list: https://launchpad.net/~openstack >> Post to : [email protected] >> Unsubscribe : https://launchpad.net/~openstack >> More help : https://help.launchpad.net/ListHelp >
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