在开始排除故障之前，应该提出一些诊断问题，从而判断问题是否是由某些明显的原因造成的。
Before beginning the troubleshooting process, there are some diagnostic questions you should ask to determine whether there any obvious causes of a problem.
在关键的计算机应用程序的生存期中，日志记录是一件非常重要的活动，特别是当故障的症状并不十分明显时。
Logging is a very important activity in the lifetime of critical computer applications, especially when symptoms of failures aren't readily apparent.
尽管所有的工作都已完成，但是，应用程序并没有明显的改善，这主要是因为引入了更多的单点故障。
Despite all the work you did, however, the application was no better off, largely because more single points of failure were introduced.
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