为了让这一场景变得更加真实，我将一些日志文件复制到存储器中，以模拟降级状态。
To make this scenario a bit more realistic, I copied some log files into the storage to simulate a degraded state.
您可以在服务器之间拉起 Fibre Channel 电缆和交换机，以模拟坏掉的 FC 电缆；您可以禁用服务器/存储器的某个交换机端口，以模拟交换机失败。
And you can pull a Fibre Channel cable between your servers and switch to simulate a broken FC cable; you can disable one switch port of your server/storage to simulate a switch failure.
一组机器代码指令，存放在操作系统内，有时也存放在只读存储器中，用来模拟硬件的一些功能。
A sequence of machine code instructions stored within the operating system, and sometimes in read-only memory, which is used to simulate hardware functions.
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