Archive for November 7th, 2011

Dangers of not thinking about what you’re typing

Just upgraded a domU to Fedora 15 from F14. As part of the upgrade, init essentially dies, and you have to hard reboot the VM. So I thought “Oh hey, why not use the Magic Sysrq keys to trigger a reboot. After all, I just learnt about xm sysrq.” The first command, xm sysrq 0 […]

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How I learnt to love xl block-attach

Originally, I exported one block device to each VM, then partitioned it. No fuss, everything self-contained in the one file/logical volume. Then I had a few incidences where the VM crashed, and I needed to get a file or two off the virtual drive. It was a complicated process, as detailed in one of my […]

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