openstack team mailing list archive

[Sébastien Han <han.sebastien@xxxxxxxxx>]

Hi,

For the cloud controller, use 2 machines with a pacemaker setup with those
resource agents. Simple as that.
We have 2 branches, one for Essex and one for Folsom.

https://github.com/madkiss/openstack-resource-agents

Cheers!


On Wed, Nov 21, 2012 at 9:59 AM, Razique Mahroua
<razique.mahroua@xxxxxxxxx>wrote:

> Hey Edwards,
> that is a concern many arise, today, there is not any both answer and
> implementations that would allow you to setup such.
> One approach is to work with stateless instances - using an orchestration
> tool such a Puppet of Chef, which would take care by itself of the spawning
> and restoration. It supposes to relegate all the data to the orchestration
> tool. In case a node fails, or even an instance - redeploying would take
> less time.
> I myself encountered though some customers topology which don't fit such
> approach (critical databases, etc...) for such case, you can either prep. a
> sleeping instance in one another node or setup a data replication between X
> instances. Network-wise you can automate the floating ip allocation using a
> detection solution.
> I think that feature (auto respawn) would come up soon (guys feel free to
> correct me), since this is a real concern.
> Regards,
> Razique
>
> *Nuage & Co - Razique Mahroua** *
> razique.mahroua@xxxxxxxxx
>
>
> Le 21 nov. 2012 à 08:51, <Edward_Doong@xxxxxxxxxx> a écrit :
>
> Dear****
> I find H.A for openstack nova-network****
>
> http://docs.openstack.org/trunk/openstack-compute/admin/content/existing-ha-networking-options.html
> ****
>
> Openstack instance support NFS migrate by all compute node.****
> Swift have Zone and backup objects.****
> MySql have Cluster.****
>
> How about all openstack H.A or Failover?****
> If Openstack controller physical machine crash.****
> (Dashboard, nova-api, nova information, glance, keystone, etc…)****
> All service will disappear.****
> Could we recover openstack controller automatically?****
>
> Thanks all.****
>
> Edward****
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