[openstack-dev] [nova][cinder] create server from a volume snapshot, 180 reties is sufficient?

Lingxian Kong anlin.kong at gmail.com
Wed Apr 9 01:54:49 UTC 2014


yes, the bp also make sense to nova-cinder interaction, may I submmit
a blueprint about that?

Any comments?



2014-04-09 3:58 GMT+08:00 Mike Perez <thingee at gmail.com>:

> On 23:58 Tue 08 Apr     , Lingxian Kong wrote:
> > hi there:
> >
> > According to the patch https://review.openstack.org/#/c/80619/, Nova
> > will wait for volume creation for 180s, the config option is rejected by
> > Russell and Nikola. But the reason I raise it up is, we found the server
> > creation failed due to timeout in our deployment, with LVM as Cinder
> > backend.
> >
> > So, I wander is 180s really suitable here? Are there some guidences
> > about when should we add an option? But at least, we should not avoid an
> > option, just because of the existing overwhelming number of them, right?
> >
> > Thoughts?
>
> It looks like this was a temporary accepted solution and the long term
> solution
> is with event callbacks [1].
>
> [1] - https://blueprints.launchpad.net/nova/+spec/admin-event-callback-api
>
> --
> Mike Perez
>
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-- 
*---------------------------------------*
*Lingxian Kong*
Huawei Technologies Co.,LTD.
IT Product Line CloudOS PDU
China, Xi'an
Mobile: +86-18602962792
Email: konglingxian at huawei.com; anlin.kong at gmail.com
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