Flows are not showing up in Aria Operation for Networks
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Flows are not showing up in Aria Operation for Networks

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Article ID: 371024

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Updated On: 12-17-2024

Products

VMware Aria Operations for Networks

Issue/Introduction

  1. In Aria Operations for Networks GUI , the flows counter show "--" for the NSX-T/vCenter data sources instead of exact values.
  2. When running the query flow where bytes > 0, no results is seen.
  3. flow-processor log file latest.logs at location /varlogsarkin/flow-processor on collector node shows similar error back trace:
2024-01-22T03:46:24.531Z ERROR ipfix.v2.FiveTupleProcessingTask NFCAPD_vds run:506 exception while processing files [/var/flows/vds/nfcapd/nfcapd.202401220345, /var/flows/vds/sfcapd/nfcapd.202401220345]
java.io.IOException: Cannot run program "chmod": error=11, Resource temporarily unavailable
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1128) _[_:_]
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1071) _[_:_]
at org.apache.hadoop.util.Shell.runCommand(Shell.java:937) _[hadoop-common-3.2.4.jar:_]
at org.apache.hadoop.util.Shell.run(Shell.java:900) _[hadoop-common-3.2.4.jar:_]

 

 

Environment

VMware vRealize Network Insight 6.9
Aria Operations for Networks 6.10.0
Aria Operations for Networks 6.11.0
Aria Operations for Networks 6.12.0
Aria Operations for Networks 6.12.1
Aria Operations for Networks 6.13.0
Aria Operations for Networks 6.14.0

Cause

The exact cause of the issue has not been definitively identified. However, we suspect it may be a transient issue, potentially arising from temporary network conditions or intermittent system states that are difficult to consistently reproduce.

Resolution

  1. Navigate to vCenter.
  2. Selected the Aria Operations for Networks Collector VM.
  3. Reboot the affected collector via vCenter using Power Options>Restart guestOS.
  4. Wait for Collector services to be up and running and for few pooling cycles to complete. (Approximately 30 minutes)
  5. Flow should start appearing on Aria Operation for Networks GUI.