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High Availability (HA) is the ability of a system to operate continuously without failure for a designated period of time. HA works to ensure a system meets an agreed-upon operational performance level.
There are four main criteria that need to be verified and fulfilled when implementing the HA in FortiAnalyzer:
1) Platform:
- The most importing before implementing HA is the Platform type.
- The platform is divided into two which are Physical and Virtual.
- For the virtual appliance, there are a few types such as VMware, HV, KVM, AWS, Azure and etc.
- When implementing the HA, check what platform to be used. If platforms are different, it is impossible to implement the HA.
- Example of the platform type combination when implementing a HA:
Hardware ---- Hardware.
VMware ----VMware.
KVM ---- KVM .
Azure ----Azure.
2) License:
- Licenses are different for each Physical and Virtual.
- The license count for both primary and secondary should be tallied.
3) Firmware version:
- Firmware versions need to be the same.
- The firmware needs to be the same due to different syntax for each version. If the HA uses a different firmware version, it will cause a config file error where the HA will fail to establish.
4) Disk size:
- Recommended to be the same size between primary and secondary.
Related article:
Technical Tip: FortiAnalyzer HA Configuration and Troubleshooting
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