| 基于层次化请求过滤的SonD无盘Windows |
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| 引用本文： | 张海波,冯硕,张欢,黄朝晖.基于层次化请求过滤的SonD无盘Windows[J].计算机工程,2008,34(5):54-56. |
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| 作者姓名： | 张海波 冯硕 张欢 黄朝晖 |
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| 作者单位： | 1. 中国科学院计算技术研究所,北京,100080;中国科学院研究生院,北京,100039
2. 中国科学院计算技术研究所,北京,100080 |
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| 基金项目： | 国家重点基础研究发展计划(973计划) |
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| 摘 要： | 按需服务无盘Windows通过在Windows2K/XP内核中虚拟小型计算机系统接口(SCSI)设备，将SCSI设备的读写请求转化为网络磁盘的读写请求与服务器端通信，实现远程无盘启动Windows的软件解决方案。该技术有效地将存储资源和计算资源分离后动态结合，实现存储资源的统一管理和计算资源的合理分配。基于Windows的分层驱动模型，还提出了层次化请求过滤技术。
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| 关 键 词： | 无盘Windows 虚拟SCSI设备 层次化请求过滤 |
| 文章编号： | 1000-3428（2008）05-0054-03 |
| 收稿时间： | 2007-03-23 |
| 修稿时间： | 2007年3月23日 |
SonD Diskless Windows Based on Hierarchical Request Filter |
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| ZHANG Hai-bo,FENG Shuo,ZHANG Huan,HUANG Zhao-hui.SonD Diskless Windows Based on Hierarchical Request Filter[J].Computer Engineering,2008,34(5):54-56. |
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| Authors: | ZHANG Hai-bo FENG Shuo ZHANG Huan HUANG Zhao-hui |
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| Affiliation: | (1. Institute of Computing Technology, Chinese Academy of Sciences, Beijing 100080; 2. Graduate School, Chinese Academy of Sciences, Beijing 100039) |
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| Abstract: | This paper provides a software solution called SonD diskless Windows. The Windows simulates a virtual SCSI device in Windows2K/XP kernel mode to redirect local SCSI requests to network block device and performs data I/O with remote storage server. In this way, the computation and storage resources can be separated and then mapped dynamically to manage the storage resources unitedly and distribute the computation resources reasonable. In order to improve the performance of virtual SCSI device, a new request processing technique based on Windows hierarchical driver model called Hierarchical Request Filter(HRF) is presented. By exploiting this technique, the I/O performance of virtual network disk is improved. |
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| Keywords: | diskless Windows virtual Small Computer System Interface(SCSI) device Hierarchical Request Filter(HRF) |
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