[INS-20802] Oracle Cluster Verification Utility failed
[INS-20802] Oracle Cluster Verification Utility failed
INFO: Check failed on nodes:
INFO: vzgray2a,vzgray3a,vzgray4a,vzgray1a
INFO: PRVF-5436 : The NTP daemon running on one or more nodes lacks the slewing option "'slewalways yes' & 'disable pll'"
INFO: Clock synchronization check using Network Time Protocol(NTP) failed
INFO: PRVF-9652 : Cluster Time Synchronization Services check failed
INFO: Checking VIP configuration.
INFO: Checking VIP Subnet configuration.
INFO: Check for VIP Subnet configuration passed.
INFO: Checking VIP reachability
INFO: Check for VIP reachability passed.
INFO: Post-check for cluster services setup was unsuccessful on all the nodes.
INFO:
WARNING:
INFO: Completed Plugin named: Oracle Cluster Verification Utility
导致这个错误的原因是NTP设置问题，可以忽略。
还有一种报错是关于SCAN 的， 可能是在/etc/hosts中配置了SCAN的地址，尝试ping这个地址信息，如果可以成功，则这个错误可以忽略。
如果尝试ping scan ip可以ping通，那么暂时可以忽略这个[INS-20802]错误。
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