公开(公告)号：DE3279161D1

公开(公告)日：1988-12-01

申请号：DE3279161

申请日：1982-08-25

Applicant: IBM

Inventor： BASTIAN ARLON LEWIS ,  GOLDFEDER MARC ETHAN ,  HARTUNG MICHAEL HOWARD

IPC: G06F12/08 ,  G06F13/00

Abstract: A storage hierarchy has a backing store (14) and a cache (15). During a series of accesses to the hierarchy by a user (10) write commands are monitored and analysed. Writing data to the hierarchy results in data being selectively removed from the cache. Space in the cache not being allocated to data being written, results in such data being written to the backing store to the exclusion of the cache. Writing as part of a chain or sequential set of commands causes further removal of the data from the cache at the end of the chain or sequence. Removal of data increases the probability of writing data directly to the backing store with data readings from the cache.