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基于逻辑卷管理的虚拟网络存储的设计
引用本文:杨一帆,刘发贵,何祖祺.基于逻辑卷管理的虚拟网络存储的设计[J].计算机工程与设计,2006,27(17):3159-3162.
作者姓名:杨一帆  刘发贵  何祖祺
作者单位:1. 华南理工大学软件学院,广东,广州,510640
2. 华南理工大学,计算机科学与工程学院,广东,广州,510640
摘    要:随着数据爆炸性的增长,虚拟网络存储已经成为目前的主流技术,它能方便地实现数据共享和统一管理。在分析了虚拟网络存储相关技术的基础上,采用逻辑卷管理(logical volume manager,LVM)和网络块设备(network block device,NBD)技术,提出了在TCP/IP网络环境下,在设备驱动层实现虚拟网络存储的新方法:通过LVM和NBD将网络上的存储设备虚拟成本地磁盘,使得用户可以透明地使用存储资源,从而实现海量存储。并给出了基于LVM虚拟网络存储的快照技术应用实例,证明了LVM虚拟网络存储的可用性。

关 键 词:虚拟存储  网络存储  逻辑卷管理  逻辑卷  网络块设备
文章编号:1000-7024(2006)17-3159-04
收稿时间:2005-07-11
修稿时间:2005-07-11

Design of virtual network storage based on logical volume manager
YANG Yi-fan,LIU Fa-gui,HE Zu-qi.Design of virtual network storage based on logical volume manager[J].Computer Engineering and Design,2006,27(17):3159-3162.
Authors:YANG Yi-fan  LIU Fa-gui  HE Zu-qi
Affiliation:1. School of Software Engineering, South China University of Technology, Guangzhou 510640, China; 2. School of Computer Science and Engineering, South China University of Technology, Guangzhou 510640, China
Abstract:With the explosive expanding of data, virtual network storage becomes the main stream technology which can realize the datasharing and unified management conveniently. After the key technology of virtual network storage is analyzed, a new method to realizevirtual network storage on the device driver layer based on LVM (logical volume manager) and NBD (network block device) using theTCP/IP network is proposed. The management host images the part or the whole LAN into a local physical disk by LVM and NBD, andthen users can access and manage the huge virtual space transparently like local disk to realize network storage. And we implement asnapshot application based on the LVM virtual network storage to prove its usability.
Keywords:virtual storage  network storage  LVM  logical volume  network block device
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