[Openstack] "nova zone" and "availability_zone"

Anne Gentle anne at openstack.org
Tue Mar 20 14:57:19 UTC 2012


I believe we have doc tools now that would enable a shared glossary for all
documents. Let me investigate and report back to the list.

Anne

On Tue, Mar 20, 2012 at 6:21 AM, Tim Bell <Tim.Bell at cern.ch> wrote:

> ** **
>
> It would be useful if there was a glossary of terms related to Openstack.
> It is easy to get confused as many words are overloaded or slightly
> different between different parts of Openstack.****
>
> ** **
>
> There is also the page on identity at
> http://docs.openstack.org/diablo/openstack-identity/admin/content/Identity-Service-Concepts-e1362.htmlwhich defines some concepts.
> ****
>
> ** **
>
> From http://wiki.openstack.org/Glossary, there is a pointer to
> http://cloudglossary.com/ but the openstack terms are not in there.****
>
> ** **
>
> There is also
> http://docs.openstack.org/incubation/openstack-network/developer/quantum-api-1.0/content/Glossary.htmlfor networking.
> ****
>
> ** **
>
> Tim****
>
> ** **
>
> *From:* openstack-bounces+tim.bell=cern.ch at lists.launchpad.net [mailto:
> openstack-bounces+tim.bell=cern.ch at lists.launchpad.net] *On Behalf Of *Sandy
> Walsh
> *Sent:* 20 March 2012 12:07
> *To:* Nicolae Paladi; openstack at lists.launchpad.net
> *Subject:* Re: [Openstack] "nova zone" and "availability_zone"****
>
> ** **
>
> Availability Zone is an EC2 concept. Zones were a sharding scheme for
> Nova. Zones are being renamed to Cells to avoid further confusion.
> Availability Zones will remain the same. ****
>
> ** **
>
> Hope it helps!****
>
> -S****
> ------------------------------
>
> *From:* openstack-bounces+sandy.walsh=rackspace.com at lists.launchpad.net[openstack-bounces+sandy.walsh=
> rackspace.com at lists.launchpad.net] on behalf of Nicolae Paladi [
> n.paladi at gmail.com]
> *Sent:* Tuesday, March 20, 2012 6:55 AM
> *To:* openstack at lists.launchpad.net
> *Subject:* [Openstack] "nova zone" and "availability_zone"****
>
> Hi all,  ****
>
> ** **
>
> What is the difference between "nova zone(s)" and "availability_zone"?****
>
> In a new deployment, the *services* table in the nova db contains an
> "availability_zone"****
>
> column (which is 'nova', but default). ****
>
> ** **
>
> If that is not the same as "nova zones"  (which are logical deployments,
> as far as I understood), where is information****
>
> about zones stored?****
>
> ** **
>
> The only documentation about "zones" in openstack that I could find is
> here:****
>
> http://nova.openstack.org/devref/zone.html****
>
> ** **
>
> ** **
>
> is there anything on availability zones?****
>
> ** **
>
> Cheers, ****
>
> /Nicolae.****
>
> ** **
>
> ** **
>
> ** **
>
> ** **
>
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