A Novel Network RAID Architecture with Out-of-Band Virtualization and Redundant Management

Wen-wu, Na; Meng, Xiangwu; Si, Chengxiang; Ke, Jau‐Chuan; Zhu, Xudong; Bu, Qingzhong; Lu, Xu

doi:10.1109/icpads.2008.94

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Technologies For Solving the Small-write Problem1

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“…BW-RAID [23] uses a data Redundancy Server (RS) to manage the RAID system. The RS is responsible for managing the data redundancy relationships among Storage Nodes (SNs).…”

Section: Technologies For Solving the Small-write Problemmentioning

confidence: 99%

Improvement of Small-write Performance Using the ECL-based Technique

Zhu

Lee

2014

Proceedings of the 12th International Conference on Advances in Mobile Computing and Multimedia

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Though erasure codes are widely adopted in high fault tolerance storage systems, there exists a serious small-write problem. Many algorithms are proposed to improve the small-write performance in RAID systems, but not considering the network bandwidth usage. However, the network bandwidth is expensive in cloud distributed storage systems. In this paper, we proposed an ECLbased (E-MBR codes, Caching and Logging-based) technique to improve the small-write performance without using extra network bandwidth. Experimental results show that the proposed algorithm outperforms the competing algorithm.

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“…BW-RAID [23] uses a data Redundancy Server (RS) to manage the RAID system. The RS is responsible for managing the data redundancy relationships among Storage Nodes (SNs).…”

Section: Technologies For Solving the Small-write Problemmentioning

confidence: 99%