Re: [openstack-dev] [vmware][nova] Prevent HA configuration with different hostnames

2015-02-11 Thread Gary Kotton
I posted a fix that does not break things and supports HA. https://review.openstack.org/154029 On 2/11/15, 5:55 PM, Matthew Booth mbo...@redhat.com wrote: On 11/02/15 15:49, Gary Kotton wrote: Hi, I do not think that that is a healthy solution. That effectively would render a cluster down if

Re: [openstack-dev] [vmware][nova] Prevent HA configuration with different hostnames

2015-02-11 Thread Sylvain Bauza
Le 11/02/2015 17:04, Gary Kotton a écrit : I posted a fix that does not break things and supports HA. https://review.openstack.org/154029 Just let's be clear, HA is *not* supported by Nova now. The main reason is that compute *nodes* are considered given by the hypervisor (ie. the virt

Re: [openstack-dev] [vmware][nova] Prevent HA configuration with different hostnames

2015-02-11 Thread Matthew Booth
On 11/02/15 15:49, Gary Kotton wrote: Hi, I do not think that that is a healthy solution. That effectively would render a cluster down if the compute node goes down. That would be a real disaster. The ugly work around is setting the host names to be the same value. I don't think that's an

Re: [openstack-dev] [vmware][nova] Prevent HA configuration with different hostnames

2015-02-11 Thread Gary Kotton
On 2/11/15, 6:35 PM, Sylvain Bauza sba...@redhat.com wrote: Le 11/02/2015 17:04, Gary Kotton a écrit : I posted a fix that does not break things and supports HA. https://review.openstack.org/154029 Just let's be clear, HA is *not* supported by Nova now. That is not correct. It is actually

Re: [openstack-dev] [vmware][nova] Prevent HA configuration with different hostnames

2015-02-11 Thread Matthew Booth
On 11/02/15 16:40, Gary Kotton wrote: On 2/11/15, 6:35 PM, Sylvain Bauza sba...@redhat.com wrote: Le 11/02/2015 17:04, Gary Kotton a écrit : I posted a fix that does not break things and supports HA. https://review.openstack.org/154029 Just let's be clear, HA is *not* supported by

[openstack-dev] [vmware][nova] Prevent HA configuration with different hostnames

2015-02-11 Thread Matthew Booth
I just posted this: https://review.openstack.org/#/c/154907/ as an alternative fix for critical bug: https://bugs.launchpad.net/nova/+bug/1419785 I've just knocked this up quickly for illustration: it obviously needs plenty of cleanup. I have confirmed that it works, though. Before I take it

Re: [openstack-dev] [vmware][nova] Prevent HA configuration with different hostnames

2015-02-11 Thread Gary Kotton
Hi, I do not think that that is a healthy solution. That effectively would render a cluster down if the compute node goes down. That would be a real disaster. The ugly work around is setting the host names to be the same value. This is something that we should discuss at the next summit and I