Xapi Project Docs

The xapi toolstack

manages clusters of Xen hosts with shared storage and networking
allows running VMs to be migrated between hosts (with or without storage) with minimal downtime
automatically restarts VMs after host failure (High Availability)
allows cross-site Disaster Recovery
simplifies maintainence through Rolling Pool Upgrade
collects performance statistics for historical analysis and for alerting
has a full-featured XML-RPC based API, used by clients such as XenCenter, Xen Orchestra, OpenStack and CloudStack

The xapi toolstack is developed by the xapi project: a sub-project of the Linux Foundation Xen Project.

The easiest way is to install open-source XenServer.

Otherwise, you can

You're welcome to