可用性是以正常运行时间除以总时间的百分比来测量的。
Availability is measured in percent uptime divided by the total time.
最后，该电子表格还以总的集群大小的百分比来计算冗余容量——亦即包括额外部署的以支持可用性的服务器。
Finally, the spreadsheet also calculates the redundant capacity as a percentage of the total cluster size — i.e. including the additional servers deployed to support availability.
最后，您需要决定为支持可用性为每个组提供的总的冗余容量。
Finally, you need to decide on the amount of redundant capacity to provide each group to support availability.
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