区块管理器会以随机的顺序处理故障，并且会一直做下去，直到没有需要处理的故障为止。

The Partition Manager processes failures in random order and does so until there are no more failures to deal with.

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当在指定的节点上发生了故障，那么区块管理器(Partition Manager)就会执行重新配置，从而处理这个故障。

When a failure occurs within a given node, a reconfiguration is carried out by the Partition Manager to handle the failure.

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首先，它要求在需要缓冲区块的任何地方进行额外的管理工作(分配和释放内存块)。

First, it requires extra management work (allocation and freeing of memory block) wherever a buffer block is required.

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