Empty agent graphs in PD for the Secondary Manager OBM in MoM setup
There is tenant OBM and a MOM OBM to monitor the environment. Agents are managed by the tenant OBM which forwards the events to the MOM OBM. The issue is that despite MOM OBM is configured as a secondary manager for the agents, in some of the Nodes the performance perspective shows empty graphs while in tenant OBM the graphs are OK. From that MoM OBM jcodautil ping to the nodes work fine (telnet on 383 as well) when no graphs are shown. So, there is a secure connection in general.
Things that needs to be considered in such setup. To graph from PD, a node CI requires to have an Agent CI and the “Monitored by” set to “OM”. If the node CIs had something in the Monitored By attribute which didn’t include “OM” then the solution is to set “Operation Agent as Default Data Source” to true in Infra Settings. Also if the nodes on the MoM OBM have Primary DNS attribute populated with FQDN while in the local/tenant OMi the DNS is with short name one needs to change the DNS in RTSM for the MoM OBM to short name for the graphs to show. One also should clear the PD cache.
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