大华云存储技术白皮书云计算产品线2014年7月目录目录........................................................................................................................................................2第一章概述.......................................................................................................................................41.背景...........................................................................................................................................42.设计思想...................................................................................................................................43.系统架构...................................................................................................................................5第二章关键技术...............................................................................................................................71.负载自动均衡技术...................................................................................................................72.高速并发访问技术...................................................................................................................73.高可靠性保证技术...................................................................................................................84.高可用技术...............................................................................................................................8第三章分布式文件系统设计...........................................................................................................81.数据存储功能...........................................................................................................................92.海量存储能力.........................................................................................................................103.统一命名空间管理.................................................................................................................104.节点间数据冗余.....................................................................................................................115.数据恢复机制.........................................................................................................................126.元数据管理的高可用性保障.................................................................................................137.存储服务的高可用性保障.....................................................................................................148.动态负载均衡.........................................................................................................................149.在线扩容.................................................................................................................................1510.磁盘热插拔和漂移.............................................................................................................1511.高速并发访问.....................................................................................................................15第四章客户端接口设计.................................................................................................................161.基础SDK.........................................................................................................................
