Method and system for extra redundancy in a raid system
US8417989B2 · kind B2 · utility
6Cited by
14References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2010 |
| Grant date | Apr 9, 2013 |
| Priority date | — |
| Expiry date | Oct 20, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/1658
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system and method of creating an extra redundancy in a RAID system is disclosed. In one embodiment, one or more RAID arrays are created. Each RAID array comprises a plurality of disk drives. Further, a respective dedicated hot spare is created for each RAID array. Furthermore, data is copied from each RAID array to the respective dedicated hot spare using a copyback process based on a predetermined controller usage threshold value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.