On March 18th, Linux 3.3 was released and it featured a number of interesting Xen related features. * Re-engineered how tools can perform hypercalls – by using a standard interface (/dev/xen/privcmd instead of using /proc/xen/privcmd) * Backends (netback, blkback) can now function in HVM mode. This means that
The OpenStack community has recently released the Essex release, which supports XCP and XenServer. A number of vendors have worked at that support including Citrix, Internap and Rackspace Public Cloud. You can find some more information about Xen support in the OpenStack Essex release at this wiki page. If you
Fedora is planning a number of test days as part of their release cycle, including a Virtualization Test Day on April 12th (this Thursday). Information about the virtualization test day can be found here. We will have some people hanging out on IRC at #fedora-test-day and you can also get
Xen 4.2 will contain two new scheduling parameters for the credit1 scheduler which significantly increase its confurability and performance for cloud-based workloads: timeslice_ms and ratelimit_us. This blog post describes what they do, and how to configure them for best performance. Timeslice The timeslice for the credit1 has
Hi everyone! I’m Wei Liu, a graduate student who is pursuing his master’s degree from China. If you read posts on blog.xen.org from time to time, you might remember me. I was participant of Google Summer of Code 2011 and worked on “Virtio on Xen” project
Today, Citrix and the Apache Software Foundation (ASF) announced that it will relicense the CloudStack open source project under the Apache License and contribute the CloudStack code to the ASF. Before I explain why this is good for the Xen community and the Open Cloud, I wanted to congratulate CloudStack
We have hit the next milestone in the release plan for Xen 4.2: * 19 March — TODO list locked down * 2 April — Feature Freeze WE ARE HERE * Mid/Late April — First release candidate * Weekly — RCN+1 until it is ready We are therefore now in Feature
Dear Community Members, Just a quick reminder that, the CFP for XenSummit is open and that all submissions must be received before midnight May 1, 2012 PDT. You have one month to get your submissions in. Note that this is much earlier than in previous years! I will also shortly
We have another Xen document day come up next Monday. Xen Document Days are for people who care about Xen Documentation and want to improve it. We introduced Documentation Days, because working on documentation in parallel with like minded-people, is just more fun than working alone! Everybody who can contribute
Since early January I have been tracking the status of work left to do before 4.2 by posting a weekly roundup of the remaining blockers and “nice to haves”. You can find these in the xen devel list archives, posted most Monday mornings. Last week I decided that the
It took me a while to write up my impressions from the first Oracle hosted Hackathon last week: I have to apologize for not being timelier. First, I wanted to thank Oracle for hosting the event and providing a beautiful venue in Santa Clara. Special thanks go to Doan Nguyen
The XCP team would like to announce Project Zeus, our port of the XCP toolstack to Fedora and CentOS (through the EPEL). This is a follow-on to Project Kronos, which brought the XCP toolstack to Debian-based systems. This will give users the ability to do ‘yum install xcp-xapi’ to build