Patent ID: 8417592

Claim:
A system comprising: a processor configured to: retrieve a stored inventory record, wherein an inventory record includes, for each item of physical media in a robotic data storage media library: 1) an item identifier representing a machine readable label on the item of physical media; and 2) a slot number of the item of physical media within the robotic data storage library; determine a first number computed by applying a hash function to each item identifier and its corresponding slot number in the stored inventory record; receive a re-inventory indication; determine a second number computed by applying the hash function to each item identifier and its corresponding slot number in a new inventory record for the robotic data storage media library; determine whether the first number is the same as the second number; and initiate an update of the stored inventory record if it is determined that the first number is not the same as the second number; and a memory coupled to the processor and configured to provide instructions to the processor.