[openstack-dev] [VMware][nova][cinder]an issue about single point of failure

2014-10-08 Thread LiuJeremy
Hi, I have an issue about single point of failure in OpenStack+VMware scenario. If one nova-compute or cinder-volume crush. The VCenter which connect to the nova-compute or cinder-volume will unavailable. I think we can deploy the nova-compute/cinder-volume to a VM which have the HA (High

Re: [openstack-dev] [VMware][nova][cinder]an issue about single point of failure

2014-10-08 Thread Duncan Thomas
Work is underway in cinder to allow active/active HA (or active/active/active/... for the truly paranoid) volume managers for a single backend, for remote backends that can support it. This is likely to take most of the Kilo cycle to finish. You can use pacemaker or other H/A technology (I