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Xen Hypervisor, KVM Hypervisor and Oracle virtualization resources, news, and support articles.

4.5 RC3 Test Day on Thursday December 4, 2014

Our Next Round of 4.5 Release Candidate Testing is on Thursday

TestDay

The Test Day for 4.5 RC3 has been set for this Thursday, December 4, 2014.

Test Days insure that the upcoming release is ready for production. It also allows power users to test out the upcoming release in their own environment.

Using Xen Project on OpenStack “Juno” via Libvirt

By Xing Lin

This document describes steps I took to setup a compute node based on Ubuntu 14.04 for OpenStack “juno”, using the Xen Project via libvirt approach. Openstack does not support this approach well as it is in Group C of the hypervisor support matrix for Openstack. You can hardly find any tutorial online describing this approach and this might be the first. Let’s get started!

Xen Project User Summit 2014 Videos Now Available

The Year’s Biggest Xen Project User Event Now Available at Your Desk or On Your Phone

You didn’t make it to this year’s Xen Project User Summit in New York City?  Or you didn’t catch all the sessions you wanted to see because of scheduling conflicts (it happens when you have too much of a good thing…)?  Don’t fret; you can catch up on the action on a computer, tablet, or phone near you!

Xen Project 4.5 RC2 Test Day is November 13

Join in the Next Round of 4.5 Release Candidate Testing on Thursday

TestDay

The Test Day for 4.5 RC2 has been set for this Thursday, November 13, 2014.

Test Days insure that the upcoming release is ready for production.  It also allows power users to test out the upcoming release in their own environment.

LVMiSCSI cinder backend for RDO Juno on CentOS 7

Current post follows up http://lxer.com/module/newswire/view/207415/index.html RDO Juno has been intalled on Controller and Compute nodes via packstack as described in link @lxer.com. iSCSI initiator implementation on CentOS 7 differs significantly from CentOS 6.5 and is based on  CLI utility targetcli and service target.  With Enterprise Linux 7, both Red Hat and CentOS, there is a big change in the management of iSCSI targets.Software run as part of the standard systemd structure.

RDO Juno Set up Two Real Node (Controller+Compute) Gluster 3.5.2 Cluster ML2&OVS&VXLAN on CentOS 7

Post bellow follows up http://cloudssky.com/en/blog/RDO-OpenStack-Juno-ML2-VXLAN-2-Node-Deployment-On-CentOS-7-With-Packstack/ however answer file provided here allows in single run create Controller && Compute Node.Based oh RDO Juno release as of 10/27/2014 it doesn’t require creating OVS bridge br-ex and OVS port enp2s0 on Compute Node. It also doesn’t install nova-compute service on Controller.

NetApp LUN Serial and SCSI Word 83

I was wandering for a long while about the connection between NetApp’s LUN Serial and the identifier the host sees, aka “Word 83″. There was an obvious connection, but I figured it out only today.
The LUN Serial is an ASCII representation of the hexadecimal Word 83, or, to be exact, the last 22 hex characters of it.
See:
lun serial /vol/volume/qtree/lun
Serial#:  7S1PW?Bym7B
When querying the multipath device represented there, we get:

Clone corrupted disk in XenServer

Following some unknown problems, I had recently several XenServer machines (different clusters, different sites and customers, and even different versions) with a VDI-END-of-File issues. It means that while you can start the VM correctly, perform XenMotion to another server you are unable to do any storage-migration task – neither Storage XenMotion, nor VDI copy or VM-move commands. In some cases, snapshots taken from the “ill” disks were misbehaving just the same. This is rather frustrating, because the way to solve it is by cloning the disk into a new one, and your hands are bound.

Xen Project Developer Summit Videos and Slides

It has been a while since we held the Xen Project Developer Summit. All slides have been posted on our slideshare channel (prefixed with XPDS14) and are also available on youtube. Slides and videos are also available on the presentation & video page of our website (again, just search for XPDS14).

October 29: Xen Project 4.5 RC1 Test Day

TestDay

The Xen Project team is pleased to announce the first Test Day for 4.5 Release Candidate 1 will be held on October 29, 2014.  The 4.5 release is just a few weeks away, so this is an important event in our development calendar.

Test Days insure that the upcoming release is ready for production.  It also allows power users to test out the upcoming release in their own environment.

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