Utilizing a rotating randomly accessible mass storage medium as a caching device for another rotating mass storage medium
US5694571A · kind A · utility
18Cited by
2References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 31, 1995 |
| Grant date | Dec 2, 1997 |
| Priority date | — |
| Expiry date | Oct 31, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0656
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A computer memory system and method utilizes a disk drive as a caching device to overcome the size and cost limitations of conventional semiconductor cache memory. Despite providing somewhat slower access times than semiconductor cache memory, utilizing one or more disk drives as a caching device allows enhanced performance to be maintained for longer times under sustained loads by effectively decreasing the latency of the primary storage device, combining relatively small random requests into larger sequential requests, balancing the input/output ("I/O") load over several disk devices and/or canceling duplicate writes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.