[Openstack-operators] Booting from a volume

Juan José Pavlik Salles jjpavlik at gmail.com
Fri Apr 12 14:48:34 UTC 2013


I was talking with a co-worker and he pointed out something... turning the
volumes from qcow2 to raw would end up loosing snapshot capabilities. Is
that accurate?


2013/4/11 Joe Topjian <joe.topjian at cybera.ca>

> You could manually convert your qcow image to raw and import it into
> Glance. I'm quite sure I tried that when I was doing my testing and it
> worked.
>
>
> On Thu, Apr 11, 2013 at 1:40 PM, Juan José Pavlik Salles <
> jjpavlik at gmail.com> wrote:
>
>> That makes sense!! I'm using qcow2 yes. I was looking for another good
>> reason to move to Grizzly and i think i just found it hahaha. I was think
>> about moving in a week or two, but... will be earlier than expected. Is
>> there any workaround for this in Folsom? Thanks Jow
>>
>>
>> 2013/4/11 Joe Topjian <joe.topjian at cybera.ca>
>>
>>> Hello,
>>>
>>> Are you using a raw image or qcow2?  Only raw images work with Folsom.
>>> Grizzly will convert qcow to raw for you.
>>>
>>> Here's a recent thread that discussed booting from volume:
>>> http://www.gossamer-threads.com/lists/openstack/operators/25632
>>>
>>> Thanks,
>>> Joe
>>>
>>>
>>>
>>> On Thu, Apr 11, 2013 at 1:32 PM, Juan José Pavlik Salles <
>>> jjpavlik at gmail.com> wrote:
>>>
>>>> Sorry, i should have written more details. I'm working with a Folsom
>>>> deploy, using Ubuntu 12.04.2 and KVM as hypervisor. Thanks!
>>>>
>>>>
>>>> 2013/4/11 Juan José Pavlik Salles <jjpavlik at gmail.com>
>>>>
>>>>> Hi guys, i'm having some problems trying to boot an instance from a
>>>>> volume. I've created a bootable volume with this sentence:
>>>>>
>>>>> root at cocinero:~# cinder --os-username demo --os-tenant-name demo
>>>>> --os-password MyPassword create --image-id
>>>>> "5fd4c15d-da66-400a-ae75-7fe2feb9a257" --display-name vol_ubuntu_12_4 3
>>>>>
>>>>> That worked great, i even see the volume in dashboard. Then i tried to
>>>>> boot an instance, with this line:
>>>>>
>>>>> nova --os-username demo --os-tenant-name demo --os-password MyPassword
>>>>> boot --image "Ubuntu-12.04.02-PSI" --flavor 1 --block_device_mapping
>>>>> vda=e25e9112-9c82-45c2-b16e-660efd0de891:::0 prueba_boot_volumen1
>>>>>
>>>>> After executing that i go to the VNC and see:
>>>>>
>>>>> Booting from hard disk...
>>>>> Boot failed, not bootable disk
>>>>>
>>>>> So... something is wrong. I checked the logs while creating the
>>>>> volumen and i havent found anything bad.
>>>>>
>>>>> I also tried using:
>>>>>
>>>>> root at cocinero:~# nova --os-username demo --os-tenant-name demo
>>>>> --os-password MyPassword volume-create --image-id
>>>>> 5fd4c15d-da66-400a-ae75-7fe2feb9a257 --display-name volumen-booteable 3
>>>>>
>>>>> Instead of going straight to cinder.
>>>>>
>>>>> Any ideas? Thanks!!!
>>>>> --
>>>>> Pavlik Juan José
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Pavlik Juan José
>>>>
>>>> _______________________________________________
>>>> 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.
>>>
>>
>>
>>
>> --
>> Pavlik Juan José
>>
>
>
>
> --
> 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.
>



-- 
Pavlik Juan José
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