Data mirroring method
US7822715B2 · kind B2 · utility
52Cited by
15References
18Claims
0Family size
Inventor
Key dates
| Filing date | Jul 24, 2006 |
| Grant date | Oct 26, 2010 |
| Priority date | — |
| Expiry date | Apr 27, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/2071
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system includes a primary storage unit connected to a secondary storage unit such that data written to the primary storage unit is replicated on the secondary storage unit. The primary storage unit in at least one exemplary embodiment includes the capability to intercept input/output instructions for routing to a buffer and/or directly to the secondary storage unit. The system in at least one exemplary embodiment includes a backup storage unit for backing up data from at least the secondary storage unit offline and the capability to update the secondary storage unit once it returns to an online status.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.