红帽全球峰会6.8. 在节点失败时恢复 RWO 卷
在出现节点故障时，ReadWriterOnce (RWO)卷可能需要很长时间才能恢复。
要使集群自动解决节点故障并更快地恢复 RWO 卷，请手动将以下污点之一添加到节点：
node.kubernetes.io/out-of-service=nodeshutdown:NoExecute
node.kubernetes.io/out-of-service=nodeshutdown:NoSchedule
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