Open Stack

As shown in the output of "vgs" there is no volume group named "stack-volumes-lvmdriver-1" on your setup but your
configuration requires that.



Am 22.03.2015 um 15:03 schrieb Kamsali, RaghavendraChari (Artesyn):
> When am installing cinder-volume as a saperate node as storage am getting error as follows :
> 
>  
> 
> =================================================================================================================================================_
> 
> 2015-03-22 19:16:48.665 ERROR cinder.volume.manager [-] Unexpected error while running command.
> 
> Command: env LC_ALL=C vgs --noheadings -o name stack-volumes-lvmdriver-1
> 
> Exit code: 5
> 
> Stdout: u''
> 
> Stderr: u'  Volume group "stack-volumes-lvmdriver-1" not found\n  Cannot process volume group stack-volumes-lvmdriver-1\n'
> 
> 2015-03-22 19:16:48.665 TRACE cinder.volume.manager Traceback (most recent call last):
> 
> 2015-03-22 19:16:48.665 TRACE cinder.volume.manager   File "/opt/stack/cinder/cinder/volume/manager.py", line 301, in
> init_host
> 
> 2015-03-22 19:16:48.665 TRACE cinder.volume.manager     self.driver.check_for_setup_error()
> 
> 2015-03-22 19:16:48.665 TRACE cinder.volume.manager   File "/usr/lib/python2.7/site-packages/osprofiler/profiler.py",
> line 105, in wrapper
> 
> 2015-03-22 19:16:48.665 TRACE cinder.volume.manager     return f(*args, **kwargs)
> 
> 2015-03-22 19:16:48.665 TRACE cinder.volume.manager   File "/opt/stack/cinder/cinder/volume/drivers/lvm.py", line 263,
> in check_for_setup_error
> 
> 2015-03-22 19:16:48.665 TRACE cinder.volume.manager     lvm_conf=lvm_conf_file)
> 
> 2015-03-22 19:16:48.665 TRACE cinder.volume.manager   File "/opt/stack/cinder/cinder/brick/local_dev/lvm.py", line 86,
> in __init__
> 
> 2015-03-22 19:16:48.665 TRACE cinder.volume.manager     if self._vg_exists() is False:
> 
> 2015-03-22 19:16:48.665 TRACE cinder.volume.manager   File "/opt/stack/cinder/cinder/brick/local_dev/lvm.py", line 123,
> in _vg_exists
> 
> 2015-03-22 19:16:48.665 TRACE cinder.volume.manager     run_as_root=True)
> 
> 2015-03-22 19:16:48.665 TRACE cinder.volume.manager   File "/opt/stack/cinder/cinder/utils.py", line 143, in execute
> 
> 2015-03-22 19:16:48.665 TRACE cinder.volume.manager     return processutils.execute(*cmd, **kwargs)
> 
> 2015-03-22 19:16:48.665 TRACE cinder.volume.manager   File
> "/usr/lib/python2.7/site-packages/oslo_concurrency/processutils.py", line 233, in execute
> 
> 2015-03-22 19:16:48.665 TRACE cinder.volume.manager     cmd=sanitized_cmd)
> 
> 2015-03-22 19:16:48.665 TRACE cinder.volume.manager ProcessExecutionError: Unexpected error while running command.
> 
> 2015-03-22 19:16:48.665 TRACE cinder.volume.manager Command: env LC_ALL=C vgs --noheadings -o name stack-volumes-lvmdriver-1
> 
> 2015-03-22 19:16:48.665 TRACE cinder.volume.manager Exit code: 5
> 
> 2015-03-22 19:16:48.665 TRACE cinder.volume.manager Stdout: u''
> 
> 2015-03-22 19:16:48.665 TRACE cinder.volume.manager Stderr: u'  Volume group "stack-volumes-lvmdriver-1" not found\n 
> Cannot process volume group stack-volumes-lvmdriver-1\n'
> 
> 2015-03-22 19:16:48.665 TRACE cinder.volume.manager
> 
>  
> 
> Can anyone help to resolve this issue
> 
>  
> 
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> 
>  
> 
> [stack at Storage devstack]$ sudo lvs
> 
>   LV   VG            Attr       LSize  Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
> 
>   home fedora-server -wi-ao---- 76.62g                                                   
> 
>   root fedora-server -wi-ao---- 50.00g                                                    
> 
>   swap fedora-server -wi-ao----  9.81g       
> 
>  
> 
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> 
>  
> 
> [stack at Storage devstack]$ sudo vgs
> 
>   VG            #PV #LV #SN Attr   VSize   VFree
> 
>   fedora-server   1   3   0 wz--n- 136.49g 64.00m
> 
>  
> 
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> 
>  
> 
>  
> 
> Thanks and Regards,
> 
> *Raghavendrachari kamsali *| Software Engineer II  | Embedded Computing
> 
> *Artesyn Embedded Technologies***|**5th Floor, Capella Block, The V, Madhapur| Hyderabad, AP 500081 India
> 
> T +91-40-66747059 | M +919705762153
> 
>  
> 
>  
> 
>  
> 
> *From:*Ivan Kolodyazhny [mailto:e0ne at e0ne.info]
> *Sent:* Friday, March 20, 2015 10:29 PM
> *To:* Kamsali, RaghavendraChari [ENGINEERING/IN]
> *Cc:* openstack at lists.openstack.org
> *Subject:* Re: [Openstack] what are the services required to setup for openstack storage node(cinder)
> 
>  
> 
> Hi,
> 
>  
> 
> You need to setup only cinder-volume service on storage node. You can find guidelines in the Install Guide [1] for
> OpenStack in common and in the DevStack manual [2] for DevStack multi node environment.
> 
>  
> 
> [1] http://docs.openstack.org/juno/install-guide/install/yum/content/cinder-install-storage-node.html
> 
> [2] http://docs.openstack.org/developer/devstack/guides/multinode-lab.html
> 
> 
> Regards,
> Ivan Kolodyazhny,
> Software Engineer,
> 
> Mirantis Inc.
> 
>  
> 
> On Thu, Mar 19, 2015 at 3:57 PM, Kamsali, RaghavendraChari (Artesyn) <RaghavendraChari.Kamsali at artesyn.com
> <mailto:RaghavendraChari.Kamsali at artesyn.com>> wrote:
> 
> Hi,
> 
>  
> 
> I would like to setup openstack as a multi-node setup as follows.
> 
> 1.       Controller Node
> 
> 2.       Compute Node
> 
> 3.       Storage Node(block storage—cinder).
> 
>  
> 
>  
> 
> My question is:
> 
> ·         what are the services needed  to start when openstack block storage as a saperate node apart from controller
> and compute node.
> 
> ·         Could anyone help me how to setup manually and how to set up via devstack (configurations in local.conf file
> for cinder-volume only)
> 
>  
> 
>  
> 
> Thanks and Regards,
> 
> *Raghavendrachari kamsali *| Software Engineer II  | Embedded Computing
> 
> *Artesyn Embedded Technologies***|**5th Floor, Capella Block, The V, Madhapur| Hyderabad, AP 500081 India
> 
> T +91-40-66747059 <tel:%2B91-40-66747059> | M +919705762153 <tel:%2B919705762153>
> 
>  
> 
> 
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>  
> 
> 
> 
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