Data storage system having two disk drive controllers each having transmit and receive path connected in common to single port of disk drive via buffer or multiplexer
US6993610B2 · kind B2 · utility
10Cited by
25References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 2002 |
| Grant date | Jan 31, 2006 |
| Priority date | — |
| Expiry date | May 24, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B20/1816
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A data storage apparatus arranged to provide redundancy in a storage enclosure containing multiple Serial ATA disk drives is disclosed. The apparatus comprises at least one disk drive of a kind having a single port for the input and output of serial data and at least two disk drive controllers each having data transmit and receive paths connected in common to the single port. The apparatus then switches control to either controller if the other should fail.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.