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#1 2018-09-05 17:27:46

Registered: 2017-11-25
Posts: 29  

Converting Jessie VM to KVM and initrd requirements

We use a Devuan Jessie VM (VMware) and were attempting to convert a copy of it for KVM. We converted it using qemu-img.exe under Windows using the flat VMware VMDK file. The issue we ran into was that initially on boot the main LVM volume group (containing the / file system) couldn't be read at all. From what I've read I'm fairly sure that this is because the initrd of the source VM probably doesn't have the virtio drivers, or something else that's required. In fact, a customer was apparently able to get it to boot by rebuilding the initrd, which supports that, though they weren't actually clear how they did that.

Our /etc/initramfs-tools/initramfs.conf currently has the default configuration with MODULES=most. Does anyone have any idea as to a configuration that would end up working for this after that conversion? I'm guessing that it might just be a matter of adding modules to /etc/initramfs-tools/modules, which was part of what we had to do to convert to Hyper-V.



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