Red Hat Enterprise Linux 5.4 beta with KVM

Red Hat has released a beta version of Red Hat Enterprise Linux (RHEL) 5.4. The new version's most prominent new feature is KVM (Kernel-based Virtual Machine), a virtualisation technology which was integrated into the main development branch of Linux quite some time ago. In the beta of RHEL 5.4, KVM supports various versions of RHEL as well as Microsoft Windows XP, Windows Server 2003 and Windows Server 2008 as guest systems. Paravirtualised drivers are provided to enhance I/O performance. However, KVM requires processors with virtualisation functionality (as offered by the majority of the current AMD and Intel processors); it does not provide complete paravirtualisations of modified guest systems like Xen. All of Red Hat's announcements regarding the beta emphasise that Xen virtualisation will also continue to be supported... [read full story]                    

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