[Openstack-operators] Netapp volume, anyone?

Abel Lopez alopgeek at gmail.com
Fri Nov 16 22:29:06 UTC 2012


I have the rabbit_host defined in nova.conf across the whole farm. Everything else works fine, except volume.

On Nov 16, 2012, at 2:23 PM, Leandro Reox wrote:

> The server were your running the volume server its not connecting with the "controller" or the server whos running the rabbitmq. Thats generates your stacktrace. 
> 
> How your nova.conf looks like on all nodes ? 
> 
> Yo need to have a line there like : 
> 
> 
> --rabbit_host=$(YOUR RABBITMQ SERVER)
> 
> 
> On Fri, Nov 16, 2012 at 7:02 PM, Joe Topjian <joe.topjian at cybera.ca> wrote:
> Hi Abel,
> 
> What is your OpenStack setup like? Do you have everything all on one server? Or split up?
> 
> If you do "nova-manage service list" do you see nova-volume listed with a :-) ?
> 
> Thanks,
> Joe
> 
> 
> On Fri, Nov 16, 2012 at 2:23 PM, Abel Lopez <alopgeek at gmail.com> wrote:
> I am removing the netapp from the equation. I'm simply trying now with a standard lvm VG named 'nova-volumes'
> Here is a link to my log when I restart nova-volume
> http://pastebin.com/T8fnEXZ6
> 
> Here is a link to the nova-scheduler.log when I try to create a volume
> http://pastebin.com/Xnhi9v1m
> 
> Any help or advice would go a long way!
> 
> On Nov 16, 2012, at 11:56 AM, Alejandro Comisario wrote:
> 
>> Can you post the whole nova-volume.log that happens when you start/restart the nova-volume service ?
>> 
>> 
>> 
>> Alejandro Comisario 
>> #melicloud CloudBuilders
>> Arias 3751, Piso 7 (C1430CRG) 
>> Ciudad de Buenos Aires - Argentina
>> Cel: +549(11) 15-3770-1857
>> Tel : +54(11) 4640-8443
>> 
>> 
>> On Fri, Nov 16, 2012 at 3:32 PM, Abel Lopez <alopgeek at gmail.com> wrote:
>> Thanks for the tips.
>> As far as we can tell, everything in the netapp is ok. When nova-volume starts up, I can see in the logs where it gets the wsdl file fine. Also verified that nova-volume is only running on 1 host.
>> 
>> It might be interesting to note, that this site was without any prior volume service.
>> 
>> On Nov 16, 2012, at 8:01 AM, Joe Topjian wrote:
>> 
>>> Hi Abel,
>>> 
>>> I have two NetApp filers working with OpenStack, but I'm new to NetApp equipment, so I can try to help :)
>>> 
>>> I just read over the doc you linked to. It's actually quite detailed and a lot better than the docs that were available when I was doing this - lucky!
>>> 
>>> Anyway, just to confirm/review a few things, you:
>>> 
>>> * have an OnCommand server set up with the Storage Service, Provisioning Policy, and Resource Pool all configured. (Do they look OK in the nmconsole GUI?)
>>> * have the wsdl file available for download and can confirm access with wget.
>>> * have nova-volume running on only 1 server (When using LVM, it makes sense to run nova-volume on several servers, but with a central storage appliance, 1 instance of nova-volume makes sense).
>>> 
>>> For Essex, one recommendation I was given was to use NetApp's updated driver:
>>> 
>>> https://github.com/bswartz/nova/pull/1
>>> 
>>> The reason I link to a pull request is because I have a small fix that was needed for Essex.
>>> 
>>> This driver is a drop-in replacement for netapp.py
>>> 
>>> And is nova running in debug mode? If so, tail -f /var/log/nova/nova-volume.log and see if nova-volume is talking to the NetApp correctly. The conformance log (/opt/log/conformance.log) might also have some good pointers.
>>> 
>>> Hope that helps,
>>> Joe
>>> 
>>> 
>>> On Fri, Nov 16, 2012 at 1:01 AM, Abel Lopez <alopgeek at gmail.com> wrote:
>>> Hi Everyone,
>>> 
>>> Testing out netapp volume driver in Essex.
>>> Starting from "unconfigured netapp" and "no prior volume service",
>>> Having had followed the docs provided from netapp https://communities.netapp.com/docs/DOC-19826
>>> I have a "happy" nova-volume service, configured the nova.conf, appropriately, verify all network connectivity.
>>> 
>>> When I try to create a volume using nova client, I see in the scheduler logs
>>> Failed to schedule_create_volume: No valid host was found. Is the appropriate service running?
>>> 
>>> Anyone have any tips or tricks?
>>> _______________________________________________
>>> OpenStack-operators mailing list
>>> OpenStack-operators at lists.openstack.org
>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
>>> 
>>> 
>>> 
>>> -- 
>>> Joe Topjian
>>> Systems Administrator
>>> Cybera Inc.
>>> 
>>> www.cybera.ca
>>> 
>>> Cybera is a not-for-profit organization that works to spur and support innovation, for the economic benefit of Alberta, through the use of cyberinfrastructure.
>>> 
>> 
>> 
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>> 
>> 
> 
> 
> 
> 
> -- 
> Joe Topjian
> Systems Administrator
> Cybera Inc.
> 
> www.cybera.ca
> 
> Cybera is a not-for-profit organization that works to spur and support innovation, for the economic benefit of Alberta, through the use of cyberinfrastructure.
> 
> 
> _______________________________________________
> OpenStack-operators mailing list
> OpenStack-operators at lists.openstack.org
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
> 
> 

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