Patent · US Active

Distributed file system and data block consistency managing method thereof

US8285689B2 · kind B2 · utility

30Cited by

9References

11Claims

0Family size

Assignee

ZTE CORPORATION · CN

Inventors

Shoufu Du · Nanhu, CN
Ruifeng Wang · Sammamish, US
Jian Cheng · Jingwei, CN

Key dates

Filing date	Jul 30, 2009
Grant date	Oct 9, 2012
Priority date	—
Expiry date	Jul 30, 2029

Classification

Technology area (CPC G)Physics
CPC primaryG06F2201/88
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A distributed file system and a data block consistency managing method thereof are disclosed. The method comprises: a file location register generates the values of the counters corresponding to CHUNKs and the values of the counters are simultaneously stored in file access servers and a file location register; when writing data into a CHUNK, a file access client writes data into both the main and standby file access servers and revises the values of counters of CHUNKs in the file access servers into which data is written normally; the file location register takes the CHUNK whose counter has the maximal value as the normal and valid one according to the corresponding values of the counters of corresponding CHUNK reported by the main and standby file access servers.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.