| 基于原子事务组的备份方案的研究与设计 |
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| 引用本文： | 王娟.基于原子事务组的备份方案的研究与设计[J].航空计算技术,2009,39(5):72-75. |
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| 作者姓名： | 王娟 |
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| 作者单位： | 中国航空计算技术研究所,陕西,西安,710068 |
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| 摘 要： | 备份两大主流技术：镜像技术和快照技术。镜像技术能够高速有效地访问数据,快照技术能够以较小容量迅速地存储数据。存储对象作为这两种技术的基础,对数据的完整性和高可用性起着至关重要的作用。针对单盘和磁盘组作为存储对象的不足,阐述了原子事务组作为存储对象的备份方案,较好地解决了在大型的业务系统中数据的一致性和完整性。
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| 关 键 词： | 原子事务组 高可用性 快照 镜像 |
Backup Solution Based on Atomic Transaction Group |
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| WANG Juan.Backup Solution Based on Atomic Transaction Group[J].Aeronautical Computer Technique,2009,39(5):72-75. |
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| Authors: | WANG Juan |
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| Institution: | WANG Juan (Aeronautical Computing Technique Research Institute, Xi ＇an 710068, China) |
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| Abstract: | The main technologies about backup：split- mirror and Snapshot. Split- mirror can access data effective. Snapshot can store data with highspeed and take up the space is smaller than split- mirror. But the storage is conseuence. Finally, aim at solving the problem that the logic disk and disk group can not ensure the strong expansibility, good fault- tolerance ability, and high usability. With technologies presents in this paper, Atomic Transaction Group as a storage which can protected against not only soft-failure but also hard-failure efficiently is introduced. |
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| Keywords: | atomic transaction group（ATG） highly usability snapshot split-mirror |
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