You may have realized the importance of a complete suite of monitoring solutions for your private OpenStack Cloud environment. Chapter 9, Monitoring OpenStack – Ceilometer and Zabbix, demonstrated a mixed approach by adopting an inbox telemetry solution named Ceilometer, which works in tandem with an external monitoring solution such as Zabbix for a more advanced monitoring strategy in order to store detailed information of what is happening in the Cloud. On the other hand, we have mainly focused on the first part of the equation, namely the exposing of alerts and warnings. The second part of the equation involves reacting to the issues. Troubleshooting a complex suite of software such as OpenStack might not be an easy task for system administrators. The issues can be resolved by relying on the logs that help you track down the root cause of errors...