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研究了一种基于DAGs模型的自动执行的冗余磁盘阵列技术,描述了这种模型的优点以及DAG的执行机制和Roll away错误恢复策略。在此基础上讨论了RAID系统实现,并结合实际课题讨论了在实际中运用这种模型开发RAID系统的好处与优势。
A redundant disk array based on DAGs model is studied. The advantages of this model are described, as well as the execution mechanism of DAG and Roll away error recovery strategy. On this basis, we discussed the implementation of RAID system and discussed the advantages and benefits of using this model to develop RAID system in practice.