It’s critical to save your data, HPA is part of your system and must follow your backup rules.

Backup your the whole server
Backup the live data
Backup the portal configuration
Backup the agent configuration

Backup the whole HPA Server

Follow the recommendation of your system operator, contact your support team to ensure that HPA server is backup.

Backup the live data

The live data are store in <hpa_home>/var, it contains :

agent : agent version
database-hpa : hotspot of methods, database advanced monitoring
database-introscope : metadata and configuration
em : metrics
logrotate : logrotate status

Backup the portal configuration

The modification you made are mainly in :

<hpa_home>/environment.config : HPA server ports, paths…
<hpa_home>/environment.yml : Calypso environments description
<hpa_home>/modules/Introscope/config/modules : Management modules for alert configuration

Backup the agent configuration

Save the agent archive used to deploy on the different environment. When you upgrade the agent, the following directories are copied from the old agent to new one :

<agent_home>/wily/core/config/hpacustomer : custom metrics added by the customer