Open Stack

Hi,

There is an official document for HA setup of openstack:
http://docs.openstack.org/high-availability-guide/content/ch-intro.html

BTW, do you anybody have the interest to find a job related to Openstack 
and cloud computing especially in China location? Please contact us. The 
job details:
http://www.nsbeta.info/jobs

(OK the devops from HW could take a look here.)

> I am dealing with large amount of legacy application(MediaWiki, Joomla,
> ...) running on openstack. I am looking for the best way to improve high
> availability of my instances. All applications are not designed for
> fail(Non-Cloud-Ready Apps). So, what is the best way of improving HA on
> my non-clustered instances(Stateful Instances)?