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首页> 外文期刊>IEEE Transactions on Magnetics >Performance analysis of RAID for different communication mechanism between RAID controller and string controllers
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Performance analysis of RAID for different communication mechanism between RAID controller and string controllers

机译：RAID控制器和字符串控制器之间不同通信机制的RAID性能分析

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摘要

A Stochastic Petri Nets (SPN) model of the orthogonal RAID is constructed. After analyzing the performance of the system we can see that the performance of the system has the relationship with the choice of communication mechanism, which is the polling mechanism or interrupt mechanism, between the RAID controller and the string controllers. The faster the rate of the "Go to Communication" transition in the SPN, the higher the average utilization of the string controller, and the better the performance of RAID. The rate is larger under the polling mechanism than that under the interrupt mechanism in RAID. Thus, the polling mechanism between the RAID controller and the string controllers should be adopted to improve the performance of RAID.
机译：构建了正交RAID的随机Petri网（SPN）模型。在分析系统性能之后，我们可以看到系统性能与RAID控制器和字符串控制器之间的通信机制（轮询机制或中断机制）的选择有关。 SPN中“ Go to Communication”转换的速度越快，字符串控制器的平均利用率越高，RAID的性能就越好。在轮询机制下，该速率大于在RAID中的中断机制下的速率。因此，应该采用RAID控制器和字符串控制器之间的轮询机制来提高RAID的性能。

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