1 1 2 2 POPULATING A FIRST STRIDE OF TRACKS FROM A FIRST CACHE TO WRITE TO A SECOND STRIDE IN A SECOND CACHE

摘要

first cache and the second cache, and cache systems that include storage systems from A computer program product, system, and method are provided for managing data. Demoted from first cache (demote) to, a determination is achieved with the track stored in the storage system. The first stride is formed to include a track decided to downgrade determined. Achieved is determined in the second stride in the second cache to include the tracks in the first stride. Track from the first stride are added to the second stride in the second cache. Demote from the second cache, a determination is achieved with a track of a second cache in the stride. Decided to downgrade the track determined from the second cache are relegated. ;