Aria Operations for Networks Collector not Collecting Flows

Products

• VMware Aria Operations for Networks

Issue/Introduction

Flows are not being collected or are extremely low and no data being brought up in dashboard.

Environment

Aria Operations for Networks 6.x

Cause

The Flow-Processor Service tasks have run out and crashed the service preventing new flows from being processed.

You can check the service by running command below

Login to Collector with Support User. 

Run:

sudo systemctl status flow-processor

If you see below that it is dead or deactivating then the Flow-processor service needs to be restarted. 

Resolution

You can restart the Collector VM from vCenter which will restart and clear out old tasks for the Flow-Processor service.

or

Restart the flow-processor service by running below commands:

Login to Collector with Support user

sudo systemctl stop flow-processor

sudo systemctl start flow-processor

sudo systemctl status flow-processor <-- Make sure the Flow-processor service is ACTIVE

After service has been restarted, please wait at least 24 hours for flows to begin processing. You will see them start to increase after a few hours. If after 24 hours and there is no change, please open a Support Ticket.