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

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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
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