Planet Hypervisor

Xen Orchestra backup concurrency

Backup concurrency is a vast topic. Since we added new features in XO 5.20 to handle it, we wanted to give a recap on how it works. There are multiple concurrency levels, for a lot of reasons. But first lets explain some basics. Backup process 1. Snapshot creation When

XenServer 7.5

One release per quarter - this is the CR cycle of Citrix. And now the latest release is available: XenServer 7.5! What's new? The official changelog is here, but here is a simple recap. Increased pool size You can now run pools with up to 64 hosts! That's really

XCP-ng updates from Xen Orchestra

You may already know: we decided to include a better update mechanism in XCP-ng (vs XenServer). We are using the CentOS method with yum. However it would also be interesting to update directly from a UI, and also to avoid updating each host one by one. Guess what? That's why

qcontrol 0.5.6

Fix for kernels which have permissions 0200 (write-only) on gpio export device. Updates to systemd unit files. Update to README for (not so) new homepage (thanks to Martin Michlmayr). Add a configuration option in the examples to handle QNAP devices which lack a fan (Debian bug #712841, thanks to Martin Michlmayr for the patch and to Axel Sommerfeldt). Get it from git or The Debian package will be uploaded shortly.

Citrix Announces General Availability of XenServer 7.5 CR

Hello everyone, This week Citrix released the latest version of XenServer: 7.5 CR. For those unfamiliar with the LTSR and CR release models offered by Citrix, please refer to the recent article published on the Citrix blogs that explains the difference between the two release models. So what’s new in 7.5 you may be asking? Great question! Before I answer this question however, I’d like to remind everyone of the many features we’ve introduced since the release of 7.1 (LTSR) back in February 2017, starting with 7.1 itself. 7.1 LTSR features: Automated updates to simplify host maintenance Delivering Windows VM drivers via Windows updates (WSUS) Health Check (via Citrix...

XOA without commitment

The yearly commitment for Xen Orchestra does not exist anymore. You can now decide to subscribe monthly and leave when you want.

Xen Project Announces Schedule for its Annual Developer and Design Summit

Today, we are excited to announce the program and speakers for the Xen Project Developer and Design Summit. The summit brings together developers, engineers, and Xen Project power users for in-person collaboration and educational presentations. The event will take place in Nanjing Jiangning, China from June 20 -22, 2018. This is the fifth annual Xen […]

Xen Project 4.10.1 Available

I am pleased to announce the release of 4.10.1. Xen Project Maintenance releases are released in line with our Maintenance Release Policy. We recommend that all users of the 4.10 stable series update to the latest point release. These releases are available from their git repositories;a=shortlog;h=refs/heads/stable-4.10 (tag RELEASE-4.10.1) or from the XenProject download page […]

Xen Orchestra 5.19

New month, new release! And right on time with latest XCP-ng too. This release is relatively important, with new features available from UI and improvements in backup-ng. Backup-ng It's now compatible with reports plugins, allowing to get notified about your backup status, by email, Slack or XMPP. Logs are also

Visiting the camels - MirageOS spring hack retreat 2018

Original posted on linse's blog. Image by Luc Viatour / In March 2018, I attended my first MirageOS hack retreat in Morrocco. MirageOS is a library operating system which allows everyone to build very small, specialized operating system kernels that are intended to run directly on the virtualization layer. The application code itself is the guest operating system kernel, and can be deployed at scale without the need for an extra containerization step in between. It is written in OCaml and each kernel is built only with exactly the code that is necessary for the particular application. A pretty different approach from traditional operating systems....