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Latest Xen Project Blog Posts

Q&A: Xen Project Release Strengthens Security and Pushes New Use Cases

The following Q&A with Lars Kurth, the Xen Project chairperson, was first published on Linux.com. Xen Project technology supports more than 10 million users and is a staple in some of the largest clouds in production today, including Amazon Web Service, Tencent, and Alibaba’s Aliyun. Recently, the project announced the arrival of Xen Project Hypervisor […]

Xen Project 4.7 and 4.6.3 Release

I’m pleased to announce the release of Xen Project Hypervisor 4.7 and Xen Project Hypervisor 4.6.3. Xen Project Hypervisor 4.7 This new release focuses on improving code quality, security hardening, security features, live migration support, usability improvements and support for new hardware features — this is also the first release of our fixed term June […]

Xen Project Community Hosts Annual Developers Summit in August

We recently announced the program and speakers for our Xen Project Developer Summit happening in Toronto, Canada from August 25-26, 2016. The event will be co-located with LinuxCon North America. The Xen Project hypervisor powers the new needs of computing and virtualization through a rich ecosystem of community members that focus on everything from security, […]

Latest Planet Blog Posts

XenServer 7.0 performance improvements part 3: Parallelised plug and unplug VBD operations in xenopsd

The XenServer team has made a number of significant performance and scalability improvements in the XenServer 7.0 release. This is the third in a series of articles that will describe the principal improvements. For the first two, see here: http://xenserver.org/blog/entry/dundee-tapdisk3-polling.html http://xenserver.org/blog/entry/dundee-networking-multi-queue.html The topic of this post is control plane performance. XenServer 7.0 achieves significant performance improvements through the support for parallel VBD operations in xenopsd. With the improvements, xenopsd is able to plug and unplug many VBDs (virtual block devices) at the same time, substantially improving the duration of VM lifecycle operations (start, migrate, shutdown) for VMs with many VBDs, and making it...

TripleO QuickStart HA Setup && Keeping undercloud persistent between cold reboots

This post follows up http://lxer.com/module/newswire/view/230814/index.html and might work as timer saver unless status undecloud.qcow2 per http://artifacts.ci.centos.org/artifacts/rdo/images/mitaka/delorean/stable/ requires fresh installation to be done from scratch So, we intend to survive VIRTHOST cold reboot (downtime) and keep previous version of undercloud VM been able to bring it up avoiding build via quickstart.sh and restart procedure from logging into […]