| 信息存储系统应用快照技术研究 |
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| 引用本文： | 白广思.信息存储系统应用快照技术研究[J].图书情报工作,2007,51(1):82-85. |
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| 作者姓名： | 白广思 |
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| 作者单位： | 郑州大学图书馆 |
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| 摘 要： | 存储系统中的主流快照技术有四种:分割镜像快照技术、按需复制快照技术、虚拟视图快照技术和增量快照技术。这四种快照技术各有长处和不足，不同的应用系统应选择不同快照技术。存储系统中快照技术有三种使用方法:冷快照拷贝、暖快照拷贝和热快照拷贝。在数字图书馆建设中，选择支持虚拟视图快照技术的存储设备不但节约资金，还可节省存储空间和保证数据安全。
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| 关 键 词： | 存储系统 快照技术 数据安全 |
| 收稿时间： | 2006-05-19 |
| 修稿时间： | 2006-05-182006-07-11 |
Study on the Application of Snapshot in the Information Storage System |
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| Bai Guangsi.Study on the Application of Snapshot in the Information Storage System[J].Library and Information Service,2007,51(1):82-85. |
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| Authors: | Bai Guangsi |
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| Institution: | Library of Zhengzhou University, Zhengzhou 450001 |
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| Abstract: | There are four kinds of popular snapshot technologies in the storage system, namely split minor, copy on demand, virtual view and increment snapshot. The different applying systems should take the advantages and disadvantages of each technology into consideration. In the storage system, the three ways of snapshot application include cold snapshot copy, warm snapshot copy and hot snapshot copy. The digital libraries should choose the storage equipment for supporting virtual view snapshot technology so as to save capital as well as space and keep the data secure. |
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| Keywords: | storage system snapshot data security |
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