32.6. 更新 RHEL 高可用性集群
可以使用两种通用方法之一，单独或作为一个整体更新组成 RHEL High Availability Add-On 的软件包：
- 滚动更新：从服务中删除一个节点，更新其软件，然后将其重新集成到集群中。这可让集群在更新每个节点时继续提供服务和管理资源。
- 更新整个集群：停止整个集群，对所有节点应用更新，然后重新启动集群。
警告
当为 Red Hat Enterprise Linux High Availability 集群执行软件更新流程时，请确保在启动更新前，任何将进行更新的节点都不是集群的活跃成员。
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