vRealize Operations Cluster fails to start with the status Waiting for Analytics
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vRealize Operations Cluster fails to start with the status Waiting for Analytics

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Article ID: 315903

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Updated On:

Products

VMware Aria Suite

Issue/Introduction

Symptoms:
After performing a disaster recovery operations or a cluster-wide reboot of vRealize Operations, you see these symptoms:
 
  • vRealize Operations Administrator interface (https://<vRealize_Operations_FQDN>/admin) may report the status message:

    Waiting for Analytics
     
  • vRealize Operations Administrator interface (https://<vRealize_Operations_FQDN>/admin) display the that nodes are not coming online:
     
  • In the vRealize Operations Primary or Primary Replica node's ntp logs (located at: /var/log/), you may observe:

    ntpd[9764]: no reply; clock not set
    ntpd[9798]: ntpd exiting on signal 15
     
  • In the vRealize Operations Primary or Primary Replica node's analytics-wrapper.log (located at: /storage/log/vcops/logs/), you may observe:

    INFO | jvm 1 | YYYY/MM/DD <time> | >>> AnalyticsMain.run failed with error: IllegalStateException: time difference between servers is 37110 ms. It is greater than 30000 ms. Unable to operate, terminating...

    </time>
Note: The time difference between servers will be unique to the time drift between the vRealize Operation nodes.


Environment

VMware vRealize Operations Manager 6.5.x
VMware vRealize Operations Manager 7.5.x
VMware vRealize Operations Manager 6.6.x
VMware vRealize Operations Manager 7.0.x
VMware vRealize Operations Manager 6.4.x

Cause

This issue occurs due to NTP time drift between the vRealize Operations nodes.

Resolution

To resolve this issue:
  1. Ensure all NTP servers configured for use with the vRealize Operations nodes (Analytics and Remote Collector Clusters) are accessible
  2. Update the ntp.conf file (located in /etc/) with new NTP server(s) in each vRealize Operations node if the original NTP servers are no longer available.
For more information, consult Configure NTP on VMware Appliances in the vRealize Operations Help Guide.


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