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At the end of last week, I spied an exciting tweet about oVirt: Not long after I started using oVirt and Gluster together, the projects started talking about a way to improve Gluster performance by enabling virtualization hosts to access Gluster volumes directly, using Gluster’s libgfapi, rather than through a FUSE-mounted location on the virtualization host. There was a little bit of fit and finish work to be done, and then we’d all be basking in the glow of ~30%…
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I’ve written an updated version of this howto for oVirt 3.3 at the Red Hat Community blog. The latest version of the open source virtualization platform, oVirt, has arrived, which means it’s time for the third edition of my “running oVirt on a single machine” blog post. I’m delighted to report that this ought to be the shortest (and least-updated, I hope) post of the three so far. When I wrote my first “Up and Running” post last year, getting…
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I’m a big fan of virtualization — the ability to take a server and slice it up into a bunch of virtual machines makes life trying out and writing about software much, much easier than it’d be in a one instance per server world. Things get tricky, however, when the software you want to try out is itself intended for hosting virtual machines. These days, all of the virtualization work I do centers around the KVM hypervisor, which relies on…
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I’ve been installing oVirt 3.1 on some shiny new lab equipment, and I came across a pair of interesting snags with engine-iso-uploader, a tool you can use to upload iso images to your oVirt installation. I installed the tool on a F17 client machine and festooned the command with the many arguments required to send an iso image off through the network to the iso domain of my oVirt rig. The command failed with the message, “ERROR:root:mount.nfs: Connection timed out.”…
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One of the cooler new features in oVirt 3.1 is the platform’s support for creating and managing Gluster volumes. oVirt’s web admin console now includes a graphical tool for configuring these volumes, and vdsm, the service for responsible for controlling oVirt’s virtualization nodes, has a new sibling, vdsm-gluster, for handling the back end work. Gluster and oVirt make a good team — the scale out, open source storage project provides a nice way of weaving the local storage on individual compute nodes…
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Yesterday I removed Fedora 17 from the server I use for oVirt testing, mainly, because I’ve been experiencing random reboots on the server, and I haven’t been able to figure out why. I’m pretty sure I wasn’t having these issues on Fedora 16, but I can’t go back to that release because the official packages for oVirt are built only for F17. There are, however, oVirt packages built for Enterprise Linux (aka RHEL and its children), and I know that some…
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Update: I’ve written an updated version of this guide for oVirt 3.2. Last February or so, I wrote a post about getting up and running with oVirt, the open source virtualization management project, on a single test machine. Various things have changed since then, such as a shiny new oVirt 3.1 release, so I’m going to update the process in this post. What you need: A test machine, ideally an x86_64 system with multiple cores, hardware virtualization extensions and plenty…
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There’s work underway over at the oVirt Project to produce some screencasts of the open source virtualization management platform in action. Since you can find oVirt in action each day in my home office, I set out to chip in and create an oVirt screencast, using tools available on my Fedora 17 desktop. Here’s the five minute screencast, which focuses on creating VMs on oVirt, with a bit of live migration thrown in: The first step was getting my oVirt…
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We’re about one week away from the release of oVirt 3.1, and I’m getting geared up by sifting through the current Release Notes Draft, in search of what’s working, what still needs work, and why one might get excited about installing or updating to the new version. Web Admin In version 3.1, oVirt’s web admin console has picked up a few handy refinements, starting with new “guide me” buttons and dialogs sprinkled through the interface. For example, when you create a…
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Having reached a good break point in my Gluster/Openstack/Fedora tests, I thought I’d preupgrade the F16 VM I’ve been using for ovirt engine to F17, en route to the oVirt 3.1 beta. That didn’t go so well. During the post-preupgrade part (uh, the upgrade), the installer balked at upgrading the jboss-as package that shipped with oVirt 3.0. Afterward, the VM wouldn’t boot correctly. Fortunately, I was prepared for failure, detaching my iso domain in advance, and shuttling the templates and VMs…
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