In the previous recipe, we created a blank raw image. In this recipe, we are going to make a partition and a filesystem on it, getting the image ready for full guest OS installation. When creating the partition and file system, you should consider the type of load that the virtual instance will create. If your applications running inside VM are IO bound, you might consider XFS for the image filesystem. For this recipe, we are going to use EXT4, as most Linux distributions support it out of the box.
Preparing images for OS installation with qemu-nbd
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