If you want to enable High Availability for your cloud, please contact your account manager.
OnApp Cloud runs on CentOS. Please note that the required CentOS versions can vary, depending which virtualization method you choose, Xen or KVM.
CloudBoot is not compatible with CentOS 5 KVM compute resources.
Supported server configuration
Recommended server configuration
We highly recommend using the following server configuration:
Installation Guide for High Availability Clusters
5.0 Get Started - installation and upgrade guide for OnApp clouds without High Availability