This chapter covers additional support and product limitations of the virtualization packages in Red Hat Enterprise Linux 6.
4.1. General limitations for virtualization
For the list of all other limitations and issues affecting virtualization read the Red Hat Enterprise Linux 6 Release Notes. The Red Hat Enterprise Linux 6 Release Notes cover the present new features, known issues and limitations as they are updated or discovered.
Test before deployment
You should test for the maximum anticipated load and virtualized network stress before deploying heavy I/O applications. Stress testing is important as there are performance drops caused by virtualization with increased I/O usage.