ARRAY: A Non-application-Related, Secure, Wide-Area Disaster Recovery Storage System

2009 IEEE International Symposium on Parallel and Distributed Processing with Applications Pub Date : 2009-08-18 DOI:10.1109/ISPA.2009.54

Lingfang Zeng, D. Feng, B. Veeravalli, Q. Wei

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Abstract

With our society more information-driven, we have begun to distribute data in wide-area storage systems. At the same time, both physical failure and logic error have made it difficult to bring the necessary recovery to bear on remote data disaster, and understanding this proceeding. We describe ARRAY, a system architecture for data disaster recovery that combines reliability, storage space, and security to improve performance for data recovery applications. The paper presents an exhaustive analysis of the design space of ARRAY systems, focusing on the trade-offs between reliability, storage space, security, and performance that ARRAY must make. We present RSRAII (Replication-based Snapshot Redundant Array of Independent Imagefiles) which is a configurable RAID-like data erasure-coding, and also others benefits come from consolidation both erasure-coding and replication strategies. A novel algorithm is proposed to improve snapshot performance referred to as SMPDP (Snapshot based on Multi-Parallel Degree Pipeline).

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ARRAY:一种与应用无关、安全的广域容灾存储系统

随着我们的社会越来越多的信息驱动，我们已经开始在广域存储系统中分布数据。同时，物理故障和逻辑错误使得在远程数据灾难中进行必要的恢复变得困难，并且很难理解这一过程。我们描述ARRAY，这是一种用于数据灾难恢复的系统架构，它结合了可靠性、存储空间和安全性，以提高数据恢复应用程序的性能。本文对ARRAY系统的设计空间进行了详尽的分析，重点讨论了ARRAY必须在可靠性、存储空间、安全性和性能之间做出的权衡。我们提出了RSRAII(基于复制的独立映像文件快照冗余阵列)，它是一种可配置的类似raid的数据擦除编码，并且其他好处来自于擦除编码和复制策略的整合。提出了一种改进快照性能的新算法SMPDP (snapshot based on Multi-Parallel Degree Pipeline)。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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