Idempotent journal mechanism for file system
US7809778B2 · kind B2 · utility
14Cited by
14References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 8, 2006 |
| Grant date | Oct 5, 2010 |
| Priority date | — |
| Expiry date | Oct 18, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/1815
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Use and maintenance of an idempotent journal in a system having multiple metadata servers. A data modification operation is performed by a metadata server. A journal entry corresponding to the data modification operation is generated. The journal entry includes a file identifier and a journal sequence number corresponding to a data modification operation that created the file.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.