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Latest Xen Project Blog Posts

Recap of LinuxCon China and Xen Project’s Growth in the Region

It’s been a very busy month or so for the Xen Project. During mid-June, I was lucky to attend and speak at LinuxCon + ContainerCon China held in Beijing. There I spoke on the topic of securing embedded systems with the hypervisor and live patching, virtual machine introspection and vulnerability management alongside my colleague Cheng Zhang of Citrix. […]

Xen Project 4.6.6 and 4.7.3 are available

I am pleased to announce the release of 4.6.6 and 4.7.3. Xen Project Maintenance releases are released in line with our Maintenance Release Policy. We recommend that all users of the 4.6 and 4.7 stable series update to the latest point release. 4.6.6 The release is available from its git repository http://xenbits.xen.org/gitweb/?p=xen.git;a=shortlog;h=refs/heads/stable-4.6 (tag RELEASE-4.6.6) or […]

What’s New in the Xen Project Hypervisor 4.9?

I am pleased to announce the release of the Xen Project Hypervisor 4.9. As always, we focused on improving code quality, security hardening as well as enabling new features. Our approach to security is also the reason why we delayed this release by 3 weeks: security issues that were discovered during the hardening phase of […]

Latest Planet Blog Posts

XenServer High-Availability Alternative HA-Lizard

WHY HA AND WHAT IT DOES XenServer (XS) contains a native high-availability (HA) option which allows quite a bit of flexibility in determining the state of a pool of hosts and under what circumstances Virtual Machines (VMs) are to be restarted on alternative hosts in the event of the loss of the ability of a host to be able to serve VMs. HA is a very useful feature that protects VMs from staying failed in the event of a server crash or other incident that makes VMs inaccessible. Allowing a XS pool to help itself maintain the functionality of VMs is...

PCI Pass-Through on XenServer 7.0

Plenty of people have asked me over the years how to pass-through generic PCI devices to virtual machines running on XenServer. Whilst it isn't officially supported by Citrix, it's none the less perfectly possible to do; just note that your mileage may vary, because clearly it's not rigorously tested with all the possible different types of device people might want to pass-through (from TV cards, to storage controllers, to USB hubs...!). The process on XenServer 7.0 differs somewhat from previous releases, in that the Dom0 control domain is now CentOS 7.0-based, and UEFI boot (in addition to BIOS boot) is supported....