Patent ID: 7505224
Filing Date: 2009-03-17
Classification: G11B

Abstract:
1. A method for managing data cartridges in an automated data storage library, comprising: providing a plurality of multi-cartridge storage cells arranged in a two-demensional array, data cartridges being retained in positions in a cell from a front position to a rear position; providing a lead screw along a length of each cell, the lead screw having a tab movable in response to rotation of the lead screw; providing a data drive for reading/writing data from/to media within data cartridges; providing a gripper for transporting cartridges within the library; assigning a priority to each cartridge to be stored in a cell, whereby a frequently accessed cartridge has a higher priority than a less frequently accessed cartridge; storing a cartridge with a higher priority in a position closer to the front of a cell than a cartridge with a lower priority; if there are one or more open positions in a cell between a desired cartridge and the front position: