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If you have a disk or partition that you can use to create that volume group then it might very well start working.

From: Ashutosh Narayan [mailto:aashutoshnarayan at gmail.com]
Sent: Thursday, May 09, 2013 5:20 AM
To: Smith, Eric E
Cc: openstack at lists.launchpad.net
Subject: Re: [Openstack] [Grizzly] Unable to create volumes

Hi Eric,

Output of pvscan throws - "No matching physical volumes found"

Where else can I see ?
On Thu, May 9, 2013 at 3:40 PM, <Eric_E_Smith at dell.com<mailto:Eric_E_Smith at dell.com>> wrote:
Does pvscan show any disks assigned to the "cinder-volumes" volume group on any of your cinder nodes?  That's the default volume group used for new volume creation.

From: Openstack [mailto:openstack-bounces+eric_e_smith<mailto:openstack-bounces%2Beric_e_smith>=dell.com at lists.launchpad.net<mailto:dell.com at lists.launchpad.net>] On Behalf Of Ashutosh Narayan
Sent: Thursday, May 09, 2013 4:58 AM
To: OpenStack
Subject: [Openstack] [Grizzly] Unable to create volumes

Hi folks,

Am all set to launch an instance after getting good
response from this mailing list for most of my queries.
I am now facing issues in creating volumes from the
dashboard. Here is volume log file for reference :

2013-05-09 15:24:49    ERROR [cinder.service] Unhandled exception
Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/cinder/service.py", line 224, in _start_child
    self._child_process(wrap.server)
  File "/usr/lib/python2.6/site-packages/cinder/service.py", line 201, in _child_process
    launcher.run_server(server)
  File "/usr/lib/python2.6/site-packages/cinder/service.py", line 95, in run_server
    server.start()
  File "/usr/lib/python2.6/site-packages/cinder/service.py", line 342, in start
    self.manager.init_host()
  File "/usr/lib/python2.6/site-packages/cinder/volume/manager.py", line 143, in init_host
    self.driver.check_for_setup_error()
  File "/usr/lib/python2.6/site-packages/cinder/volume/drivers/lvm.py", line 78, in check_for_setup_error
    raise exception.VolumeBackendAPIException(data=exception_message)
VolumeBackendAPIException: Bad or unexpected response from the storage volume backend API: volume group cinder-volumes doesn't exist

It says - volume group cinder-volume does not exist.
But /etc/cinder/cinder.conf has volume group set to cinder-volumes.
Here is a snippet of cinder.conf :
[..]
verbose=False
rabbit_port=5672
rabbit_password=
volume_group=cinder-volumes
rabbit_host=127.0.0.1
iscsi_ip_address=192.168.105.67
[..]

Any pointers on how to trouble shoot this issue.
I have also followed this bug - https://bugs.launchpad.net/openstack-manuals/+bug/1078353

Thank you,

--
Ashutosh Narayan

http://ashutoshn.wordpress.com/



--
Ashutosh Narayan

http://ashutoshn.wordpress.com/
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