Cache management
US9495292B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2013 |
| Grant date | Nov 15, 2016 |
| Priority date | — |
| Expiry date | Dec 18, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/313
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A computer-executable method, system, and computer program product of managing a hierarchical data storage system, wherein the data storage system includes a first level of one or more hosts, a second level of one or more storage appliances, and a data storage array, the computer-executable method, system, and computer program product comprising receiving an I/O request from a first host of the one or more hosts, wherein the I/O request relates to a portion of data on the data storage array, analyzing the I/O request to determine a status of the portion of data on the data storage system, based on the determination, providing an update to a second host of the one or more hosts based on the I/O request, wherein the portion of data is cached on the second host of the one or more hosts, and processing I/O request by sending I/O request to data storage array.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.