公开(公告)号：US20160274980A1

公开(公告)日：2016-09-22

申请号：US15073072

申请日：2016-03-17

Applicant: Electronics and Telecommunications Research Institute

Inventor： Young Chul KIM ,  Young Kyun KIM ,  Sang Min LEE

IPC: G06F11/14 ,  G06F17/30

CPC classification number: G06F11/1464 ,  G06F11/1451 ,  G06F11/1453 ,  G06F2201/825 ,  G06F2201/84

Abstract: Provided herein is a distributed file system including a meta data server configured to store and manage meta data of a file; and a data server configured to store and manage data and attribute information of the file, wherein, in response to a writing request from a client, the meta data server stores data requested to be changed in a delta chunk of a read-only snapshot file, and connects the original file and the read-only snapshot file in an inode structure.

Abstract translation: 本文提供了一种分布式文件系统，包括配置为存储和管理文件的元数据的元数据服务器; 以及数据服务器，被配置为存储和管理文件的数据和属性信息，其中响应于来自客户端的写入请求，元数据服务器将请求改变的数据存储在只读快照文件的增量块中 ，并且以inode结构连接原始文件和只读快照文件。