Openstack Zoning – Region/Availability Zone/Host Aggregate
Openstack cloud can be zoned from top to down levels, into Regions, Availability Zones and Host Aggregates -Region Each Region has its own full Openstack deployment, including its own API endpoints, networks and compute resources. Different Regions share one set of Keystone and Horizon to provide access control and Web portal. -Availability Zone Inside a Region, compute nodes can be logically grou
Openstack VM live migration
Block live migration Shared storage based live migration 1.Setup GlusterFS cluster for nova-compute nodes 2.Configure libvirt and nova.conf on every nova-compute node 3.Volume backed VM live migration VM recovery from failed compute node Notes This post is based assumption that KVM as hypervisor, and Openstack is running in Grizzly on top of RHEL6.4. Openstack VM live migration can have 3 categori
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