Method for automatically configuring additional component to a storage subsystem

A computer storage medium having a computer program product for automatically configuring a newly added component to a storage subsystem, said computer storage medium comprising:

• computer program code for, in response to a new component being connected to said storage subsystem, determining whether or not said new component is a host computer or a disk drive based on a signature of said new component;
• computer program code for, in a determination that said new component is a host computer, adding said new component to said storage subsystem as a host computer when a number of computer systems that can be supported by said storage subsystem has not been exceeded;
• and
• computer program code for, in a determination that said new component is a disk drive, allocating said new component to a pool of storage devices within said storage subsystem, wherein some of said pool of storage devices are held in reserve while some of said pool of storage devices are allocated to a host computer based on policy rules.