Re: Cinder volume creation issues

[johnu <johnugeorge109@xxxxxxxxx>]

Greg,
Yes, the outputs match

master node:

ceph auth get-key client.volumes
AQC/ze1R2EOWNBAAmLUE4U7zO1KafZ/CzVVTqQ==

virsh secret-get-value bdf77f5d-bf0b-1053-5f56-cd76b32520dc
AQC/ze1R2EOWNBAAmLUE4U7zO1KafZ/CzVVTqQ==
 

/etc/cinder/cinder.conf

volume_driver=cinder.volume.drivers.rbd.RBDDriver
rbd_pool=volumes
glance_api_version=2
rbd_user=volumes
rbd_secret_uuid=bdf77f5d-bf0b-1053-5f56-cd76b32520dc

slave1

/etc/cinder/cinder.conf

volume_driver=cinder.volume.drivers.rbd.RBDDriver
rbd_pool=volumes
glance_api_version=2
rbd_user=volumes
rbd_secret_uuid=62d0b384-50ad-2e17-15ed-66bfeda40252


virsh secret-get-value 62d0b384-50ad-2e17-15ed-66bfeda40252
AQC/ze1R2EOWNBAAmLUE4U7zO1KafZ/CzVVTqQ==

slave2

/etc/cinder/cinder.conf

volume_driver=cinder.volume.drivers.rbd.RBDDriver
rbd_pool=volumes
glance_api_version=2
rbd_user=volumes
rbd_secret_uuid=33651ba9-5145-1fda-3e61-df6a5e6051f5

virsh secret-get-value 33651ba9-5145-1fda-3e61-df6a5e6051f5
AQC/ze1R2EOWNBAAmLUE4U7zO1KafZ/CzVVTqQ==

Yes, Openstack horizon is showing same host for all volumes. Somehow, if volume is attached to an instance lying on the same host, it works otherwise, it doesn't. Might be a coincidence. And I am surprised that no one else has seen or reported this issue. Any idea?

On Fri, Jul 26, 2013 at 9:45 AM, Gregory Farnum <greg@xxxxxxxxxxx> wrote:

On Fri, Jul 26, 2013 at 9:35 AM, johnu <johnugeorge109@xxxxxxxxx> wrote:
> Greg,
>         I verified in all cluster nodes that rbd_secret_uuid is same as
> virsh secret-list. And If I do virsh secret-get-value of this uuid, i
> getting back the auth key for client.volumes.  What did you mean by same
> configuration?. Did you mean same secret for all compute nodes?

If you run "virsh secret-get-value" with that rbd_secret_uuid on each
compute node, does it return the right secret for client.volumes?

>         when we login as admin, There is a column in admin panel which gives
> the 'host' where the volumes lie. I know that volumes are striped across the
> cluster but it gives same host for all volumes. That is why ,I got little
> confused.

That's not something you can get out of the RBD stack itself; is this
something that OpenStack is showing you? I suspect it's just making up
information to fit some API expectations, but somebody more familiar
with the OpenStack guts can probably chime in.

-Greg
Software Engineer #42 @ http://inktank.com | http://ceph.com

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