Re: RBD I/O errors with QEMU [luminous upgrade/osd change]

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Well, we basically needed to fix it, that's why did it :-)


Blair Bethwaite <blair.bethwaite@xxxxxxxxx> writes:

> Great to see this issue sorted.
>
> I have to say I am quite surprised anyone would implement the
> export/import workaround mentioned here without *first* racing to this
> ML or IRC and crying out for help. This is a valuable resource, made
> more so by people sharing issues.
>
> Cheers,
>
> On 12 September 2017 at 07:22, Jason Dillaman <jdillama@xxxxxxxxxx> wrote:
>> Yes -- the upgrade documentation definitely needs to be updated to add
>> a pre-monitor upgrade step to verify your caps before proceeding -- I
>> will take care of that under this ticket [1]. I believe the OpenStack
>> documentation has been updated [2], but let me know if you find other
>> places.
>>
>> [1] http://tracker.ceph.com/issues/21353
>> [2] http://docs.ceph.com/docs/master/rbd/rbd-openstack/#setup-ceph-client-authentication
>>
>> On Mon, Sep 11, 2017 at 5:16 PM, Nico Schottelius
>> <nico.schottelius@xxxxxxxxxxx> wrote:
>>>
>>> That indeed worked! Thanks a lot!
>>>
>>> The remaining question from my side: did we do anything wrong in the
>>> upgrade process and if not, should it be documented somewhere how to
>>> setup the permissions correctly on upgrade?
>>>
>>> Or should the documentation on the side of the cloud infrastructure
>>> software be updated?
>>>
>>>
>>>
>>> Jason Dillaman <jdillama@xxxxxxxxxx> writes:
>>>
>>>> Since you have already upgraded to Luminous, the fastest and probably
>>>> easiest way to fix this is to run "ceph auth caps client.libvirt mon
>>>> 'profile rbd' osd 'profile rbd pool=one'" [1]. Luminous provides
>>>> simplified RBD caps via named profiles which ensure all the correct
>>>> permissions are enabled.
>>>>
>>>> [1] http://docs.ceph.com/docs/master/rados/operations/user-management/#authorization-capabilities
>>>
>>> --
>>> Modern, affordable, Swiss Virtual Machines. Visit www.datacenterlight.ch
>>
>>
>>
>> --
>> Jason
>> _______________________________________________
>> ceph-users mailing list
>> ceph-users@xxxxxxxxxxxxxx
>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com


--
Modern, affordable, Swiss Virtual Machines. Visit www.datacenterlight.ch
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