简短声明:分布式存储上的共享磁盘

Proceedings of the 29th ACM SIGACT-SIGOPS symposium on Principles of distributed computing Pub Date : 2010-07-25 DOI:10.1145/1835698.1835718

Stefan Vijzelaar, H. Bos, W. Fokkink

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引用次数: 0

摘要

分布式存储上的共享磁盘实现需要磁盘操作的一致行为。当单个存储节点可能出现故障时，对此类行为的确定性共识是不可能的。原子寄存器显示了如何在不达成一致的情况下实现一致性，但会遇到崩溃一致性问题。所提出的基于原子寄存器和概率一致性的共享磁盘算法，只要大多数节点响应，就可以在多个存储节点故障中存活下来。

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Brief announcement: a shared disk on distributed storage

A shared disk implementation on distributed storage requires consistent behavior of disk operations. Deterministic consensus on such behavior is impossible when even a single storage node can fail. Atomic registers show how consistency can be achieved without reaching consensus, but suffer from a crash consistency problem. The presented shared disk algorithm, based on atomic registers and probabilistic consensus, can survive multiple storage node failures, as long as a majority of nodes respond.

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Proceedings of the 29th ACM SIGACT-SIGOPS symposium on Principles of distributed computing

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