Data recovery system and method including a disk array architecture that provides recovery of data to any point of time
US7730347B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | May 17, 2007 |
| Grant date | Jun 1, 2010 |
| Priority date | — |
| Expiry date | Jun 27, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2211/1061
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A storage architecture is disclosed for maintaining data in the event of data storage failure. The storage architecture includes a plurality of disks in a redundant disk array, a time-recovery disk, and an encoder system. Each of the plurality of disks in the redundant disk array includes a parity output bit that provides an indication of the parity of the data in each respective disk. The time-recovery disk is in communication with at least one of the redundant disk arrays. The encoder system is coupled to the parity output bit of the at least one of the disks and is coupled to the time-recovery disk for providing encoding data regarding whether a block of data in the at least one disk has been changed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.