[Openstack] horizon install from devstack fails to find glanceclient/versioninfo

Doug Hellmann doug.hellmann at dreamhost.com
Wed Jun 27 14:59:35 UTC 2012


On Wed, Jun 27, 2012 at 9:44 AM, Doug Hellmann
<doug.hellmann at dreamhost.com>wrote:

>
>
> On Wed, Jun 27, 2012 at 8:23 AM, Doug Hellmann <
> doug.hellmann at dreamhost.com> wrote:
>
>>
>>
>> On Tue, Jun 26, 2012 at 8:14 PM, Dean Troyer <dtroyer at gmail.com> wrote:
>>
>>> On Tue, Jun 26, 2012 at 6:37 PM, Doug Hellmann
>>> <doug.hellmann at dreamhost.com> wrote:
>>> > OK, I got past that part but now I'm seeing an error about a missing
>>> volume
>>> > group "stack-volumes". Is that related to enabling cinder? The only
>>> settings
>>> > I have in my localrc file are passwords. Is there something else I
>>> need to
>>> > do to ensure cinder is "on"?
>>>
>>> I use this to enable cinder:
>>>
>>> ENABLED_SERVICES=$(echo $ENABLED_SERVICES | sed
>>> 's/n-vol/c-api,c-sch,c-vol/')
>>>
>>> But the volume group should be created either way.  The cinder patch
>>> did change its name from nova-volumes to stack-volumes though.
>>>
>>
>> I'm not doing anything that makes me care which volume storage I'm using,
>> so I don't necessarily need to enable cinder. For whatever reason, with the
>> defaults, the volume group isn't being created (or has the wrong name). I'm
>> using a fresh vagrant VM with all of my sandboxes updated to HEAD this
>> morning.
>>
>> I'll run it again and get a list of the volume groups that do exist and
>> see if I can figure out what's going wrong.
>>
>
> It looks like a problem creating the volume group on the loopback device.
> I get:
>
>     Device /dev/loop0 not found (or ignored by filtering).
>     Unable to add physical volume '/dev/loop0' to volume group
> 'stack-volumes'.
>
> This is on Ubuntu Precise. It was working Monday in the same image.
>

Deleting the existing backing file and letting devstack re-create it fixed
the problem. I've never had to do that before, so I have no idea what might
have caused it to be necessary this time.

Doug
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