Write-back storage cache based on fast persistent memory
US10592416B2 · kind B2 · utility
4Cited by
29References
4Claims
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Key dates
| Filing date | Nov 3, 2011 |
| Grant date | Mar 17, 2020 |
| Priority date | — |
| Expiry date | Jan 11, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/502
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A storage device uses non-volatile memory devices for caching. The storage device operates in a mode referred to herein as write-back mode. In write-back mode, a storage device responds to a request to write data by persistently writing the data to a cache in a non-volatile memory device and acknowledges to the requestor that the data is written persistently in the storage device. The acknowledgement is sent without necessarily having written the data that was requested to be written to primary storage. Instead, the data is written to primary storage later.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.