Dot Hill/Seagate CCSG Assigned Patent

Dot Hill Systems Corporation, part of Seagate CCSG, Longmont, CO, has been assigned a patent (9,513,843) developed by Davies, Ian Robert, Longmont, CO, for a “method and apparatus for choosing storage components within a tier.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A method for a storage controller to write a data block to one of a plurality of storage components is provided. The storage controller receives a write request from a host computer, and determines at least a portion of the data block includes a Logical Block Address, (LBA) that is not currently mapped to a physical page of storage. The storage controller calculates availability for each storage component within the plurality of storage components, and selects the storage component with a highest calculated availability from the plurality of storage components. The storage controller next determines a next available physical page within the selected storage component. Finally, the storage controller writes the at least a portion of the data block including LBAs that are not currently mapped to a physical page of storage to the next available physical page.“

The patent application was filed on October 5, 2010 (12/897,948).