Data storage method and storage device
US8838892B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 17, 2013 |
| Grant date | Sep 16, 2014 |
| Priority date | — |
| Expiry date | Sep 17, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0685
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The embodiments of the present invention provide a data storage method, including: sending a performance level request to a storage device, which is used to query information about performance level of one or more logical unit number LUNs in the storage device; receiving a response sent by the storage device in response to the performance level request, wherein the response comprises the information about performance levels of the LUNs; and obtaining performance levels of the LUNs according to the information about performance levels of the LUNs so that data to be stored is written into a LUN of a corresponding performance level according to a accessing frequency level of the data to be stored comprised in a write-data instruction when the write-data instruction is received.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.