Patent · US Expired

Cache system of external storage device

US5586290A · kind A · utility

22Cited by
11References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 4, 1994
Grant dateDec 17, 1996
Priority date
Expiry dateApr 4, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F12/0891
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

In a cache system for executing a cache operation for an external storage device, there is disposed a block number table for stopping a cache function for an external storage device, for which a storage medium is exchanged, when the storage medium of the external storage device is exchanged, and stores the number of data stored from each external storage device into the cache memory when all the data cached from a certain external storage device are purged out by a purging process or an LRU process, so as to restore the cache function of this external storage device.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.