International Business Machines Corporation
INTEGRATION OF APPLICATION INDICATED MINIMUM AND MAXIMUM TIME TO CACHE FOR A TWO-TIERED CACHE MANAGEMENT MECHANISM

Abstract:

Indications of a minimum retention time and a maximum retention time in a cache comprising a first type of memory and a second type of memory are received from a host application for a first plurality of tracks, wherein the minimum retention time or the maximum retention time are not indicated for a second plurality of tracks. In response to accessing a track of the first plurality of tracks, the minimum retention time is set for the track for the first type of memory, and the maximum retention time is set for the track for the second type of memory.