It's qcow2 and increasing size is not what the problem is. The problem is, if the forked image is smaller than the base image. In that case, qemu-img should not create the image in first place.
-- qemu-img baseimage creation doesn't warn for image being smaller https://bugs.launchpad.net/bugs/565659 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in ubuntu. -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs