[Rdo-list] OS Liberty + Ceph Hammer: Block Device Mapping is Invalid.

David Moreau Simard dms at redhat.com
Sun Dec 13 16:10:09 UTC 2015 

What format is the image you are creating a volume from ? Are you able to
reproduce the problem with both qcow2 and raw formats ?

David Moreau Simard
Senior Software Engineer | Openstack RDO

dmsimard = [irc, github, twitter]
On Dec 13, 2015 4:47 AM, "Kevin" <rdo at dolphin-it.de> wrote:

>
>
> Can someone help me?
> Help would be highly appreciated ;-)
>
>
> Last message on OpenStack mailing list:
>
> Dear OpenStack-users,
>
> I just installed my first multi-node OS-setup with Ceph as my storage
> backend.
> After configuring cinder, nova and glance as described in the Ceph-HowTo (
> http://docs.ceph.com/docs/master/rbd/rbd-openstack/), there remains one
> blocker for me:
>
> When creating a new instance based on a bootable glance image (same ceph
> cluster), it fails with:
>
> Dashboard:
> > Block Device Mapping is Invalid.
>
> nova-compute.log (http://pastebin.com/bKfEijDu):
> > 2015-12-06 16:44:15.991 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3] Traceback (most recent call last):
> > 2015-12-06 16:44:15.991 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]   File
> "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1738, in
> _prep_block_device
> > 2015-12-06 16:44:15.991 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]
>  wait_func=self._await_block_device_map_created)
> > 2015-12-06 16:44:15.991 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]   File
> "/usr/lib/python2.7/site-packages/nova/virt/block_device.py", line 476, in
> attach_block_devices
> > 2015-12-06 16:44:15.991 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]     map(_log_and_attach,
> block_device_mapping)
> > 2015-12-06 16:44:15.991 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]   File
> "/usr/lib/python2.7/site-packages/nova/virt/block_device.py", line 474, in
> _log_and_attach
> > 2015-12-06 16:44:15.991 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]     bdm.attach(*attach_args,
> **attach_kwargs)
> > 2015-12-06 16:44:15.991 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]   File
> "/usr/lib/python2.7/site-packages/nova/virt/block_device.py", line 385, in
> attach
> > 2015-12-06 16:44:15.991 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]     self._call_wait_func(context,
> wait_func, volume_api, vol['id'])
> > 2015-12-06 16:44:15.991 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]   File
> "/usr/lib/python2.7/site-packages/nova/virt/block_device.py", line 344, in
> _call_wait_func
> > 2015-12-06 16:44:15.991 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]     {'volume_id': volume_id, 'exc':
> exc})
> > 2015-12-06 16:44:15.991 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]   File
> "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 195, in
> __exit__
> > 2015-12-06 16:44:15.991 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]     six.reraise(self.type_,
> self.value, self.tb)
> > 2015-12-06 16:44:15.991 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]   File
> "/usr/lib/python2.7/site-packages/nova/virt/block_device.py", line 335, in
> _call_wait_func
> > 2015-12-06 16:44:15.991 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]     wait_func(context, volume_id)
> > 2015-12-06 16:44:15.991 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]   File
> "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1426, in
> _await_block_device_map_created
> > 2015-12-06 16:44:15.991 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]     volume_status=volume_status)
> > 2015-12-06 16:44:15.991 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3] VolumeNotCreated: Volume
> eba9ed20-09b1-44fe-920e-de8b6044500d did not finish being created even
> after we waited 0 seconds or 1 attempts. And its status is error.
> > 2015-12-06 16:44:15.991 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]
> > 2015-12-06 16:44:16.034 2333 ERROR nova.compute.manager
> [req-8a7e1c2c-09ea-4c10-acb3-2716e04fe214 051f7eb0c4df40dda84a69d40ee86a48
> 3c297aff8cb44e618fb88356a2dd836b - - -] [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3] Build of instance
> 83677788-eafc-4d9c-9f38-3cad8030ecd3 aborted: Block Device Mapping is
> Invalid.
> > 2015-12-06 16:44:16.034 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3] Traceback (most recent call last):
> > 2015-12-06 16:44:16.034 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]   File
> "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1905, in
> _do_build_and_run_instance
> > 2015-12-06 16:44:16.034 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]     filter_properties)
> > 2015-12-06 16:44:16.034 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]   File
> "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2025, in
> _build_and_run_instance
> > 2015-12-06 16:44:16.034 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]     'create.error', fault=e)
> > 2015-12-06 16:44:16.034 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]   File
> "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 195, in
> __exit__
> > 2015-12-06 16:44:16.034 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]     six.reraise(self.type_,
> self.value, self.tb)
> > 2015-12-06 16:44:16.034 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]   File
> "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1996, in
> _build_and_run_instance
> > 2015-12-06 16:44:16.034 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]     block_device_mapping) as
> resources:
> > 2015-12-06 16:44:16.034 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]   File
> "/usr/lib64/python2.7/contextlib.py", line 17, in __enter__
> > 2015-12-06 16:44:16.034 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]     return self.gen.next()
> > 2015-12-06 16:44:16.034 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]   File
> "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2143, in
> _build_resources
> > 2015-12-06 16:44:16.034 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]     reason=e.format_message())
> > 2015-12-06 16:44:16.034 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3] BuildAbortException: Build of
> instance 83677788-eafc-4d9c-9f38-3cad8030ecd3 aborted: Block Device Mapping
> is Invalid.
> > 2015-12-06 16:44:16.034 2333 ERROR nova.compute.manager [instance:
> 83677788-eafc-4d9c-9f38-3cad8030ecd3]
>
> Glance seems to work well. I was able to upload images.
> Creating non-bootable disks seem to work, as soon as I try to make one
> bootable, it fails.
>
> This seems to be related to the known threads I found online but the
> mentioned fix was merged long before Liberty so I am finaly stuck at this
> point.
>
> How can I fix this problem?
>
> Thanks.
>
> Kind regards
> Kevin
>
>
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