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

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You're the OP, so for that, thanks! Our upgrade plan (for Thursday
this week) was modified today to include prep work to double-check the
caps.

On 12 September 2017 at 21:26, Nico Schottelius
<nico.schottelius@xxxxxxxxxxx> wrote:
>
> 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



-- 
Cheers,
~Blairo
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