[Openstack-operators] Booting from a volume

Juan José Pavlik Salles jjpavlik at gmail.com
Fri Apr 12 15:27:20 UTC 2013


Great, so we are not loosing snapshot capabilities after all. Thanks
Sylvain!


2013/4/12 Sylvain Bauza <sylvain.bauza at digimind.com>

>  Indeed... and not :)
>
> While you loose QCOW2 snapshot capabilities with KVM, you still have
> possibility to perform a live LVM snapshot, provided the RAW volume is
> backed by LVM.
>
> -Sylvain
>
> Le 12/04/2013 16:48, Juan José Pavlik Salles a écrit :
>
> 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
>
>
> _______________________________________________
> OpenStack-operators mailing listOpenStack-operators at lists.openstack.orghttp://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
>
>
>


-- 
Pavlik Juan José
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