Tape library mirrored redundant controllers
US6636779B2 · kind B2 · utility
1Cited by
6References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 26, 2001 |
| Grant date | Oct 21, 2003 |
| Priority date | — |
| Expiry date | Mar 20, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/2092
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention provides two redundant tape library controllers that mirror each other's function. A secondary controller can immediately take over from the primary controller if the primary unit fails or if a redundant path leading to the primary controller fails.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.