The additional investment required to achieve even higher levels of availability will be wasted and availability levels unmet if these base products and components are unreliable and prone to failure.

• 如果这些基础产品和组件不可靠并且容易出现故障,则会浪费为了获得更高级别的可用性而需要的其他投资,并且无法达到相应的可用性级别。