Let's see what an actual full upgrade involves. As the upgrade process differs depending on what level upgrade is performed, let's look at what steps are required in each case.
This is the simplest case. As mentioned, no database patching is required, so only the Zabbix code has to be updated. To perform an upgrade, follow these steps:
- Review the release notes. This is important, because even a change level upgrade can introduce some minor difference that might be good to know beforehand. Look for suggested database changes like adding new indexes or updating existing ones, and determine whether those would be of interest to you.
- Retrieve the new version from the Zabbix homepage.
- Compile Zabbix, create a package. ...