Conclusion Virtualization using KVM and QEMU on Ubuntu Server offers a powerful, efficient, and flexible environment for running VMs. Whether for a small business or a large data center, mastering ...

I use kpartx to expose partitions that are inside a raw disk image. qemu-nbd will also expose partitions, and works with any disk image format that qemu-img supports.

I use qemu-KVM very extensively and see native or near-native access speeds, particularly when exporting an LV as raw storage to the guest. But I haven't the foggiest about what you're doing or ...