描述
冗余设计时,必须考虑工作、备用部件之间的故障应该做到尽可能互不影响或影响的概率相当小(0.01%),即可认为故障是隔离的。这样可以保证:处于备用状态的部件发生故障时,不会影响冗余工作部件或其他关联部件的正常运行,保证冗余的有效性。
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