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Logging is an important and commonly-used approach to improving energy efficiency and performance of storage systems. Reliability is one of the most important metrics to evaluate the storage systems. However, reliability modeling of energy-efficient logging architectures based on RAID10 systems have not yet been explored much. In this paper, we model the reliability of two typical energy efficient...
RAID10 storage system suffers the relatively poor write performance due to the write request must be served by both disks in a mirror set. To address this problem, in this paper we propose a novel RAID10 storage architecture, called RAID10L, which extends the data mirroring redundancy of RAID10 by incorporating a dedicated log disk. The goal of RAID10L is to significantly improve the write performance...
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