Yes, we still need a patch to make live-migration work.
On Thu, Nov 14, 2013 at 8:12 PM, Matt Thompson <watering...@gmail.com>wrote:
> Hi Dinu,
>
> Initial tests for me using Ubuntu's 2013.2-0ubuntu1~cloud0 indicate that
> live migrations do not work when using libvirt_images_type=rbd ("Live
> migration can not be used without shared storage.") I'll need to dig
> through LP to see if this has since been addressed.
>
> On a side note, live migrations now appear to work for me when booting
> instances from a cinder volume.
>
> -Matt
>
>
> On Tue, Nov 12, 2013 at 11:44 PM, Dinu Vlad <dinuvla...@gmail.com> wrote:
>
>> Out of curiosity - can you live-migrate instances with this setup?
>>
>>
>>
>> On Nov 12, 2013, at 10:38 PM, Dmitry Borodaenko <dborodae...@mirantis.com>
>> wrote:
>>
>> > And to answer my own question, I was missing a meaningful error
>> > message: what the ObjectNotFound exception I got from librados didn't
>> > tell me was that I didn't have the images keyring file in /etc/ceph/
>> > on my compute node. After 'ceph auth get-or-create client.images >
>> > /etc/ceph/ceph.client.images.keyring' and reverting images caps back
>> > to original state, it all works!
>> >
>> > On Tue, Nov 12, 2013 at 12:19 PM, Dmitry Borodaenko
>> > <dborodae...@mirantis.com> wrote:
>> >> I can get ephemeral storage for Nova to work with RBD backend, but I
>> >> don't understand why it only works with the admin cephx user? With a
>> >> different user starting a VM fails, even if I set its caps to 'allow
>> >> *'.
>> >>
>> >> Here's what I have in nova.conf:
>> >> libvirt_images_type=rbd
>> >> libvirt_images_rbd_pool=images
>> >> rbd_secret_uuid=fd9a11cc-6995-10d7-feb4-d338d73a4399
>> >> rbd_user=images
>> >>
>> >> The secret UUID is defined following the same steps as for Cinder and
>> Glance:
>> >> http://ceph.com/docs/master/rbd/libvirt/
>> >>
>> >> BTW rbd_user option doesn't seem to be documented anywhere, is that a
>> >> documentation bug?
>> >>
>> >> And here's what 'ceph auth list' tells me about my cephx users:
>> >>
>> >> client.admin
>> >> key: AQCoSX1SmIo0AxAAnz3NffHCMZxyvpz65vgRDg==
>> >> caps: [mds] allow
>> >> caps: [mon] allow *
>> >> caps: [osd] allow *
>> >> client.images
>> >> key: AQC1hYJS0LQhDhAAn51jxI2XhMaLDSmssKjK+g==
>> >> caps: [mds] allow
>> >> caps: [mon] allow *
>> >> caps: [osd] allow *
>> >> client.volumes
>> >> key: AQALSn1ScKruMhAAeSETeatPLxTOVdMIt10uRg==
>> >> caps: [mon] allow r
>> >> caps: [osd] allow class-read object_prefix rbd_children, allow
>> >> rwx pool=volumes, allow rx pool=images
>> >>
>> >> Setting rbd_user to images or volumes doesn't work.
>> >>
>> >> What am I missing?
>> >>
>> >> Thanks,
>> >>
>> >> --
>> >> Dmitry Borodaenko
>> >
>> >
>> >
>> > --
>> > Dmitry Borodaenko
>> > _______________________________________________
>> > ceph-users mailing list
>> > ceph-users@lists.ceph.com
>> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>
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--
Best Regards,
Wheat
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