Re: [Openstack] Nova Pacemaker Resource Agents

2012-07-03 Thread Sébastien Han
Ok thanks! I will have a look :D We keep in touch ;) On Tue, Jul 3, 2012 at 4:09 PM, Christian Parpart wrote: > On Tue, Jul 3, 2012 at 1:35 PM, Sébastien Han wrote: > >> Hi, >> >> Managing a resource via LSB only checks the PID. If the PID exists the >> service is running but it's not enough b

Re: [Openstack] Nova Pacemaker Resource Agents

2012-07-03 Thread Christian Parpart
On Tue, Jul 3, 2012 at 1:35 PM, Sébastien Han wrote: > Hi, > > Managing a resource via LSB only checks the PID. If the PID exists the > service is running but it's not enough because it doesn't mean that the > service is truly functionnal. However OCF agents offer more features like > fine monitor

Re: [Openstack] Nova Pacemaker Resource Agents

2012-07-03 Thread Sébastien Han
Hi, Managing a resource via LSB only checks the PID. If the PID exists the service is running but it's not enough because it doesn't mean that the service is truly functionnal. However OCF agents offer more features like fine monitoring (scripting). I'm not sure to understand your question about R

Re: [Openstack] Nova Pacemaker Resource Agents

2012-07-03 Thread Christian Parpart
Hey, that's great, but how do you handle RabbitMQ in-between? I kind of achieved it w/o OCF agents but used native upstart support of Pacemaker, however, OCF's are much more nicer, and still, I'd be interested in how you solved the RabbitMQ issue. Best regards, Christian Parpart. On Mon, Jul 2,

[Openstack] Nova Pacemaker Resource Agents

2012-07-02 Thread Sébastien Han
Hi everyone, For those of you who want to achieve HA in nova. I wrote some resource agents according to the OCF specification. The RAs available are: - nova-scheduler - nova-api - novnc - nova-consoleauth - nova-cert The how-to is available here: http://www.sebastien-han.fr/blog/2