1. A method comprising: creating, by a computer that includes a host input/output (I/O) processing stack within an operating system, a virtual I/O processing stack within the operating system that includes a virtual file system, a virtual physical disk device, and one or more virtual mounted volume devices, wherein the virtual I/O processing stack is configured to process I/O requests issued by one or more virtual processes and share an I/O manager with the host I/O processing stack, the I/O manager being configured to route each I/O request issued by the one or more virtual processes to the virtual I/O processing stack.