Details
Multiple hosts can be joined to a resource pool to provide redundancy and improve availability of the services provided by the VM guests.
http://support.citrix.com/article/CTX137828
Solution
Add at least one other compatible XenServer host to the pool, configure shared storage, and then run this command:
xe pool-ha-enable
This security hardening control applies to the following category of controls within NIST 800-53: Contingency Planning.This control applies to the following type of system Unix.