[openstack-dev] [nova] Host health monitoring

Andrew Beekhof abeekhof at redhat.com
Mon Jan 5 03:08:46 UTC 2015


> On 9 Dec 2014, at 1:20 am, Roman Dobosz <roman.dobosz at intel.com> wrote:
> 
> On Wed, 3 Dec 2014 08:44:57 +0100
> Roman Dobosz <roman.dobosz at intel.com> wrote:
> 
>> I've just started to work on the topic of detection if host is alive or
>> not: https://blueprints.launchpad.net/nova/+spec/host-health-monitoring
>> 
>> I'll appreciate any comments :)
> 
> I've submitted another blueprint, which is closely bounded with previous one: 
> https://blueprints.launchpad.net/nova/+spec/pacemaker-servicegroup-driver
> 
> The idea behind those two blueprints is to enable Nova to be aware of host 
> status, not only services that run on such. Bringing Pacemaker as a driver for 
> servicegroup will provide us with two things: fencing and reliable information 
> about host state, therefore we can avoid situations, where some actions will 
> misinterpret information like service state with host state.
> 
> Comments?

Sounds like an excellent idea, is there code for these blueprints? If so, how do I get to see it?


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