由于此原因，无法将集群添加到 Active IQ Unified Manager MTU 大小配置

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适用于

OnCommand Unified Manager 7.2 （ UM ）
OnCommand Unified Manager 7.3 （ UM ）
OnCommand Unified Manager 9.4 （ UM ）
OnCommand Unified Manager 9.5 （ UM ）
Active IQ Unified Manager 9.6 （ AIQUM ）
Active IQ Unified Manager 9.7+ （ AIQUM ）

问题

将集群数据源添加到 Unified Manager 时，将发生错误，指示系统上的时钟未同步，并且 Unified Manager HTTPS 证书开始日期晚于集群上的日期。或者集群已达到 EMS 通知目标的最大数量。应注意以下日志：

ocumserver.log

ocum-error.log

server_acq.log

server_mega.log

这些日志可能会显示以下消息：

2019-09-11 16:43:57,773 ERROR [default task-2] c.n.o.n.e.EmsZapiManager (EmsZapiManager.java:156) - Failed to call security-certificate-install -- : java.io.EOFException

2019-09-11 16:43:57,844 ERROR [dsaum] [default task-2] [c.n.o.r.m.e.GlobalExceptionHandler] GenericRestApiException: /rest/datasources Unable to add cluster data source. This can occur if the clocks on the systems are not synchronized and the UM HTTPS certificate start date is later than the date on the cluster, or if the cluster has reached the maximum number of EMS notification destinations.

2021-03-31 11: 37: 49,284 ERROR [umadmin] [default task-45] [c.n.o.r.c.s.i.ClusterConnectionService] Certificate fetch error: connect timed out 2021-03-31 11: 37: 49,286 ERROR [umadmin] [default task-45] [c.n.o.r.m.e.GlobalExceptionHandler] Unable to fetch certificate for xx.xx.xx.xx. com.netapp.ocf.rest.mvc.exceptions.ClusterConnectionException: Unable to fetch certificate for xx.xx.xx.xx.