Restart Data Aggregator (DA) in Fault Tolerance Setup

Products

• Network Observability
• CA Performance Management

Issue/Introduction

• Data Aggregator Data source show unable to contact out of nowhere.

• How to Restart Data Aggregator (DA) and related services in Fault Tolerance Setup

Environment

All supported releases of Performance Management

Resolution

Stop the services:

• In DA hosts set both the DAs to maintenance and stop both consul and consul-ext services:

  • /opt/IMDataAggregator/scripts/dadaemon maintenance

  • systemctl stop consul

  • systemctl stop consul-ext

  • Use "systemctl status <serviceName>" for daedaemon, activemq, consul and consul-ext, as well as "ps -ef | grep IMD" to confirm the services are down.

 

• Proxy Host:

  • systemctl stop consul

  • systemctl stop proxy

 

Start the services:

• Proxy Host:

  • systemctl start proxy

  • systemctl stop consul

 

• Both theDA hosts:

  • systemctl start consul

  • systemctl start consul-ext

  • Run activate on both the DAs to set it to a Ready state.

    • /opt/IMDataAggregator/scripts/dadaemon activate