ecglass1 Contributor.
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Details about NNMi Logs

Can someone give me an explanation of the following logs. What they log, when to look at them, etc?

health.log

initdb.log

nnm.log 

nnmcluster-history.log

nnmcluster-status.log

nnm-trace.log

ovjboss.log

ovspmd.log

 

Also, can someone tell me the difference between nnm.log and nnm-trace.log? In version 10.X they were differentiated by the CONFIG log level, but this level isn't in the 2018.X documentation anymore. 

 

Much Appreciated. Thank you.

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Acclaimed Contributor.. asoloperto Acclaimed Contributor..
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Re: Details about NNMi Logs

Hello,

 

health.log:

Contains a history of the health report. Looking at our 2018.11 system shows that a report is saved at 12 pm and 12 am. As it contains many statistics it can be used to analyze previous values (e.g. for JBOSS memory usage) if NNMi detects a health problem.

init.db:

Currently not on our system, but it should be the log file from the installation, when the database is created. Not needed later.

nnm.log:

The main log file while NNMi is running. You should check it for errors and warnings.

nnmcluster-*:

These files are used in Application Level Failover and cluster environments.

nnm-trace.log:

The content is very similar to what is logged in nnm.log, but when you enable tracing, you will need this file.

ovjboss.log:

It logs some starting parameters of the jboss server.

ovspmd.log:

It contains messages about starting, status and stopping NNMi processes (ovstart, ovstatus, ovstop). You should look here when a NNMi process does not start or stop.

 

The difference between nnm.log and nnm-trace.log is obvious when you enable tracing. Without that, nnm-trace.log has not more use as nnm.log.

 

BTW: In most cases I look at boot.log (when NNMi is starting I check that no errors are shown), then I look at nnm.log and as most customers are using auto actions I have an eye on incidentActions.0.0.log (in sub folder public).

 

HTH and best regards

 

Allessandro

ecglass1 Contributor.
Contributor.

Re: Details about NNMi Logs

Thank you Allessandro!!!

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