A determination is made as to whether or not storage devices of a storage array are positioned in their proper physical locations in the array. To make the determination, a device identifier for each of the storage devices is utilized, together with a generated logical identifier. In a preferred...http://www.google.de/patents/US5751936?utm_source=gb-gplus-sharePatent US5751936 - Checking for proper locations of storage devices in a storage device array 
