1. In a storage area network (SAN) of the type having a digital processor in communication with one or more storage devices, a plug-and-play manager that generates an event in response to a change in status of at least one of the storage devices, the improvement comprising one or more processes executing on the digital data processor, the one or more processes referencing at least a selected one of the storage devices using a previously assigned logical identification, at least a selected one of the processes responding to a said event generated by the plug-and-play by effecting querying for information the storage device, or an interface thereto, with respect to which the event was generated, and generating from that information the logical identification for that storage device.