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1. (WO2016061956) DATA PROCESSING METHOD FOR DISTRIBUTED FILE SYSTEM AND DISTRIBUTED FILE SYSTEM

Pub. No.:    WO/2016/061956    International Application No.:    PCT/CN2015/072772
Publication Date: Fri Apr 29 01:59:59 CEST 2016 International Filing Date: Thu Feb 12 00:59:59 CET 2015
IPC: G06F 17/30
Applicants: ZTE CORPORATION
中兴通讯股份有限公司
Inventors: ZHU, Peng
朱鹏
LIN, Jian
林健
HU, Jianhua
胡剑华
Title: DATA PROCESSING METHOD FOR DISTRIBUTED FILE SYSTEM AND DISTRIBUTED FILE SYSTEM
Abstract:
A data processing method for a distributed file system, and the distributed file system the method comprising: Fac acquiring file data and pushing the file data to Fas; the Fas recording the file data pushed by the Fac, recording in a buffer area modification of corresponding metadata on the Fas this time, writing the modification into a log file, and returning a file data push completion message to the Fac; the Fac sending a metadata modification change request to Flr; the Flr modifying the corresponding metadata according to the metadata modification change request, and recording the modification in a log file system; and when an abnormal restart of the Fas is detected, the Flr performing a rollback operation of the corresponding modified data according to log records.