Maintaining write cache and parity update footprint coherency in multiple storage adaptor configuration
US7925837B2 · kind B2 · utility
1Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2008 |
| Grant date | Apr 12, 2011 |
| Priority date | — |
| Expiry date | Jul 11, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/286
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method, computer program product and computer system for maintaining write cache and parity update footprint coherency in a multiple storage adaptor configuration for storage adaptors in a storage subsystem, which includes providing atomic updating of the storage adaptors and the attached disk drives, enabling runtime addition and runtime subtraction of a storage adaptor in the multiple storage adaptor configuration, and maintaining write cache and parity update footprint coherency using atomic updating, runtime addition and runtime subtraction of a storage adaptor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.