An example calculation: a Linux virtual machine for developers — 8192 (base OS) + 1000 (compiler tools) + 20000 (space to check out and compile software in home directory) = 29192 MB. File, logical volume or SAN? Storing the disk as a plain host file is the easiest option. As long as you have enough free space, you can put the file anywhere, and move it around later. However file access isn't very