[ovirt-devel] [ovirt-users] oVirt HA.

[Christopher Pereira]

On 29-04-2015 20:17, Yaniv Dary wrote:
> On 04/29/2015 10:39 AM, Sven Kieske wrote:
>>
>> On 28/04/15 16:20, Dan Yasny wrote:
>>> HA does not mean multiple running instances of the same service. It 
>>> means
>>> if the service is gone, it will automatically be restored on a working
>>> server.
>> That is a pretty narrow definition of HA, which is not shared by
>> most parts of the community (and the world), leading to much confusion
>> of users on this very ML.
>>
>> HA in general means your service downtime gets minimized, today mostly
>> realized through load balancing and clustering software services.
>>
>> just restarting a service (in this case ovirt-engine vm) on a different
>> host is not what todays user expect under the term "HA" imho.
>>
>> in theory it should be possible as a design goal to make multiple
>> ovirt-engine share one remote data base (remote database support is
>> already there).
>>
>> I think this would be a huge feature for ovirt, but also requires quite
>> some design and coding to be done.
>>
>> thus adding the devel list.
>>
> Please open RFE with this and we can consider that for future versions.

See: http://www.ovirt.org/Features/Engine_High_Availability

Engine's PostgreSQL DB should also be replicated in a master-master fashion.