滚动升级流程的第一步是检查辅助服务器是否能够转换为 ER 服务器。

The rolling upgrade process starts with a check to see if the secondary server can be transformed into an ER server.

youdao

此外，验证还提供了一个基准功能，可以始终检查页面的更改和升级。

Additionally, validation provides a baseline functionality that you can always check changes and updates to your page against.

youdao

还在升级之前检查和同步了每个集群的HACMP配置。

The HACMP configuration for each cluster was also verified and synchronized prior to the upgrade.

youdao