[corosync] If you want High Availability on OpenStack check out Heat (details inside)

Vladimir Voznesensky voznesensky at rts.ru
Thu Jun 28 05:44:57 GMT 2012

Dear Steven,

Do these cloud projects use Pacemaker as a clustering solution, i.e. EVS 
messaging, configuration, quorum, etc? If so, how scalable such cloud 
could be?

Thank you.

27.06.2012 22:32, Steven Dake пишет:
> As some may know, Angus and I were working previously on a project
> called pacemaker-cloud, with the intention of adding high availbility to
> guests in cloud environments.  We stopped developing that project in
> March 2012 and took our experiences to a new project called Heat.  For
> more details of why that decision was made, have a look at:
> http://sdake.wordpress.com/2012/04/24/the-heat-api-a-template-based-orchestration-framework/
> We have just released Heat API (v4) which has a really nice HA feature
> for users moving work to OpenStack cloud environments.  Heat API uses
> templates that describe a cloud application.  Our goal is to provide
> parity with Amazon's AWS CloudFormation API and template specification
> and we are closing in.
> Heat's High Availability feature set will restart failed applications
> and escalate repeated failures by restarting the entire VM.  All of this
> is defined in one template file with the rest of the application
> definition, and can be launched via our AWS CloudFormation API
> implementation.
> Heat does a ton of great things, which is why I ask you to give it a
> spin, especially if you are evaluating OpenStack.
> Check out our docs here:
> https://github.com/heat-api/heat/wiki
> Esepcially the using HA guide:
> https://github.com/heat-api/heat/wiki/Using-HA
> Our github project is here:
> https://github.com/heat-api
> Our mailing list is here:
> http://lists.heat-api.org/mailman/listinfo/discuss
> Even if your not immediately able to try out the software, follow our
> project on github by using the github Watch feature.  If you have other
> feedback, feel free to send to this list or join the heat-api mailing
> list and respond there.
> Thanks!
> -steve
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