Today saw the release of Xen 4.1. Major changes include support for greater than 255 CPUs, a new credit scheduler and CPU pools.
However, the most significant change to those that use Xen will be the new XL toolstack which replaces XM/XEND and will ultimately replace xcp’s xapi and libvirt.
There’s no need to panic just yet though because XM is still included in Xen 4.1 and sits alongside XL.
Further details can be found in the Xen 4.1 release notes:
It’s good to see Xen moving forward and continuing to converge with Linux mainline kernel. What I’d really like to see though, is a pre-built up to date Xen Distro and a decent web based management front end. Now that would cause sleepless nights over at VMware HQ…
Tags: Xen virtualization