Logical interface for contextual storage
US8966191B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2012 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | Nov 3, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0634
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A storage layer presents logical address space of a non-volatile storage device. The storage layer maintains logical interfaces to the non-volatile storage device, which may include arbitrary, any-to-any mappings between logical identifiers and storage resources. Data may be stored on the non-volatile storage device in a contextual format, which includes persistent metadata that defines the logical interface of the data. The storage layer may modify the logical interface of data that is stored in the contextual format. The modified logical interface may be inconsistent with the existing contextual format of the data on the non-volatile storage media. The storage layer may provide access to the data in the inconsistent contextual format through the modified logical interface. The contextual format of the data may be updated to be consistent with the modified logical interface in a write out-of-place storage operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.