Proactive technique for reducing occurrence of long write service time for a storage device with a write cache
US8024517B2 · kind B2 · utility
13Cited by
4References
21Claims
0Family size
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Key dates
| Filing date | Jan 30, 2009 |
| Grant date | Sep 20, 2011 |
| Priority date | — |
| Expiry date | Mar 15, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/502
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Provided are techniques for introducing a delay in responding to host write requests. A percentage of fullness of a write cache is determined. Based on the determined percentage of fullness of the write cache (f), a low cache threshold (L), alpha (α), and k, an amount of delay to introduce into responding to a host write request is determined. Techniques wait the amount of the delay before responding to the host write request although the host write request processing has completed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.