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Title: 使用前溯與多對一管理方法的遠端快照備份技術
A Novel Technique for Remote Snapshot Using Rollforward and Multiple-to-One Snapshot Management
Authors: 林慶鴻
Lin, Ching-Hung
Hwang, Wen-Shyang
Tsai, Tsung-Lin
Su, Chin-Pei
Wey, Shou-Jen
Keywords: 備份;快照;回溯;前溯
backup Snapshot Rollback Rollforward
Date: 2005
Issue Date: 2017-10-05 12:00:47 (UTC+8)
Abstract: 現今高度電腦化作業的企業中,資料為最重要的資產之一,因此資料的備份十分重要;快照(Snapshot)屬於線上備份技術,具有快速、免中斷服務與所需儲存空間小的優勢,成為現在資料備份的主流技術之一,除了考慮資料的備份技術外,還需考慮資料的存放地點,遠端備份(Remote Backup)提供最佳的安全性,有效避免地域性的災難;此兩項技術結合起來便成為遠端快照(Remote Snapshot),但是由於傳統的Remote Snapshot的效能會受到網路的延遲時間的影響,本文即針對此課題做研究,提出一個改善的機制將網路延遲的影響減至最小,此外還提供了改良的回溯功能(Rollback),與往前回溯(Rollforward)的功能;在Snapshot管理的方面,也提供了高管理性的架構,達到Multiple-to-One Snapshot Management,可降低管理成本的效果。
Nowadays, data is one of the most invaluable assets in enterprises. Therefore, data maintenance is extremely important. Snapshot is a primary online backup technique with the advantages of interrupt-free, backup-fast, and space-few. Besides, remote backup became an important issue after 911 attack; it provides the highest safety to avoid regional disaster. However, the throughput of traditional remote snapshot is decreased for the increasing communication time. This paper proposes a novel technique to minimize the influence of communication time, and provide rollback, and rollforward capabilities. It also proposes improved mechanism of snapshot management: “Multiple-to-One Snapshot Management (Multiple host’s snapshots store in a single snapshot volume)” to reduce the cost of management.
Relation: TANET 2005 台灣網際網路研討會論文集
Data Type: conference
Appears in Collections:[TANET 台灣網際網路研討會] 會議論文

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