Patent ID: 9069678
Filing Date: 2015-06-30
Classification: G06F

Abstract:
1. A system, comprising: a memory; and a processor coupled to the memory, wherein the processor performs operations, the operations comprising: receiving a request that corresponds to an access of a track; determining whether the track corresponds to data stored in a solid state disk; and performing, record staging to a cache from the solid state disk, in response to determining that the track corresponds to data stored in the solid state disk, wherein each track is comprised of a plurality of records, and wherein: the record staging to the cache from the solid state disk is performed in response to determining that a historical alternate record access ratio is less than a first predetermined value, wherein the record staging is a default staging mechanism for the solid state disk; and partial track staging is performed in response to determining that the historical alternate record access ratio is greater than the first predetermined value and a historical front end access ratio is less than a second predetermined value, wherein the partial track staging is the default staging mechanism for hard disks.