[Openstack] [nova] [cinder] Nova-volume vs. Cinder in Folsom

Huang Zhiteng winston.d at gmail.com
Tue Jul 17 12:39:29 UTC 2012


On Tue, Jul 17, 2012 at 6:12 PM, Howley, Tom <tom.howley at hp.com> wrote:
> Will we also have a separate Cinder API server?
Yes, we have.
>
> Tom
>
> -----Original Message-----
> From: openstack-bounces+tom.howley=hp.com at lists.launchpad.net [mailto:openstack-bounces+tom.howley=hp.com at lists.launchpad.net] On Behalf Of Thomas, Duncan
> Sent: 17 July 2012 10:47
> To: Jay Pipes; openstack at lists.launchpad.net
> Subject: Re: [Openstack] [nova] [cinder] Nova-volume vs. Cinder in Folsom
>
> Jay Pipes on 16 July 2012 18:31 wrote:
>
>> On 07/16/2012 09:55 AM, David Kranz wrote:
>
>
>> Sure, although in this *particular* case the Cinder project is a
>> bit-for-bit copy of nova-volumes. In fact, the only thing really of
>> cause for concern are:
>>
>> * Providing a migration script for the database tables currently in the
>> Nova database to the Cinder database
>> * Ensuring that Keystone's service catalog exposes the volume endpoint
>> along with the compute endpoint so that volume API calls are routed to
>> the right endpoint (and there's nothing preventing a simple URL rewrite
>> redirect for the existing /volumes calls in the Compute API to be
>> routed
>> directly to the new Volumes endpoint which has the same API
>
> Plus stand up a new rabbit HA server.
> Plus stand up a new HA database server.
> Plus understand the new availability constraints of the nova<->cinder interface point
> Plus whatever else I haven't scoped yet
>
> And there are bug fixes and correctness fixes slowly going into Cinder, so it is not a bit--for-bit copy any longer...
>
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-- 
Regards
Huang Zhiteng




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