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Xen to KVM disk image migration

Latest improvements in the EMOTIVE Cloud development have been focused in expanding the platform to new virtualization technologies such as KVM or others thanks to Libvirt.

During the research and deployment of this new features, we’ve found several difficulties in order to migrate disk images. The platform was using a single raw .img image, the one used by Xen and our goal was to maintain this structure, but it seemed that KVM was only working with partitioned images and a boot loader.

For this reason, KVM virtual machines base system had to be created, partitioned, formatted, and have a grub-enabled boot record. … Continue Reading