[cinder] setting `rbd_exclusive_cinder_pool = True` with multiple cinder-volume writing to the same pool

Gorka Eguileor geguileo at redhat.com
Mon Mar 18 18:00:27 UTC 2019


On 13/03, Krzysztof Klimonda wrote:
> Hi,
>
> Just doing a quick sanity check - I can set `rbd_exclusive_cinder_pool = True` (in pike, where the change landed first) even if more than one cinder-volume is writing to the same Ceph pool, right? Assuming nothing writes to the pool outside of cinder, we should be good as far as I understand the code.
>
> -Chris

Hi Chris,

It's best not to share your pools, but your assessment is correct
regarding the rbd_exclusive_cinder_pool configuration option.  The code
ruled by that option will work as expected even when sharing the pool
between different cinder-volume services.

Cheers,
Gorka.



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