Patent attributes
A read-disturb-based logical storage read temperature information maintenance system includes a global read temperature identification subsystem coupled to storage device(s). Each storage device identifies, from a physical block in that storage device, current read disturb information associated with a row provided by the physical block in that storage device, and maps the current read disturb information to logical storage element(s) included in a logical-to-physical storage element mapping for that storage device along with previous read disturb information that was previously mapped to those logical storage element(s) included in the logical-to-physical storage element mapping for that storage device. Based on the current read disturb information and the previous read disturb information mapped to the logical storage element(s) included in the logical-to-physical storage element mapping for that storage device, each storage device generates a current local logical storage element read temperature map that it provides to the global read temperature identification subsystem.
