Handling HDD failures with Ganeti

Recently I had one of the nodes in a Ganeti cluster go down because of a faulty hard drive. Normally we would have RAID on machines in our ganeti clusters, but this particular machine didn't. Having a machine go offline like that would usually be a big deal, but with …

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Power Outage: A true test for Ganeti

Nothing like a power outage gone wrong to test a new virtualization cluster. Last night we lost power in most of Corvallis and our UPS & Generator functioned properly in the machine room. However we had an unfortunate sequence of issues that caused some of our machines to go down, including …

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Creating a scalable virtualization cluster with Ganeti

Creating a virtualization cluster that is scalable, cheap, and easy to manage usually doesn't happen in the same sentence. Generally it involves a combination of a complex set of tools tied together, expensive storage, and difficult to scale. While I think that the suite of tools that use libvirt are …

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