Global correlation is a powerful tool for monitoring and troubleshooting problems in distributed systems. It can be used to analyze communication between clusters, track performance of different components, and identify potential problems. However, configuring global correlation safely is critical to ensure the accuracy of the data being collected. 

Here at Fixwebnode, we shall look into Zabbix global event correlation.

What to observe when configuring global correlation ?

1. Define a Correlation Scope

The first step in configuring global correlation is to define the scope of the correlation. This is important because it helps ensure that only relevant data is being collected and analyzed. Additionally, defining a correlation scope helps limit the amount of data that needs to be processed and stored, which can help improve performance.

2. Use Secure Connections

When configuring global correlation, it is important to use secure connections to ensure the data being collected is kept safe. This includes using secure protocols, such as TLS/SSL, when connecting to remote systems. Additionally, access should be restricted to only those users who need it, and all connections should be monitored for suspicious activity.

3. Monitor Performance

When configuring global correlation, it is important to monitor the performance of the system. This includes monitoring the amount of data being collected, the amount of storage space being used, and the response time of the system. If any of these metrics are showing signs of degradation, it may indicate a problem with the global correlation configuration.

4. Tune the Correlation Rules

The correlation rules define how the data is processed and analyzed. When configuring global correlation, it is important to tune these rules to ensure the accuracy of the data being collected. This includes ensuring that the rules are optimized for the specific data being collected and that any potential false positives are filtered out.

5. Test the Configuration

Once the global correlation configuration has been configured, it is important to test it to ensure it is working correctly. This includes testing the accuracy of the data being collected and the performance of the system. Additionally, it is important to periodically test the configuration to ensure it is still working correctly.

How Does Event Correlation Work ? 

Event correlation begins by collecting data from all monitored components of an IT infrastructure. This includes servers, networks, applications, and other IT-related hardware and software. The data is then analyzed to identify patterns. When a pattern is detected, Zabbix can respond by sending out alerts or taking other pre-defined actions.

How to Set Up Event Correlation ?

Setting up event correlation requires a few steps:

• Configure Zabbix to collect data from all components of the IT infrastructure.
• Define the conditions that will trigger an event.
• Set the actions to be taken in response to an event.
• Monitor the system to ensure that the event correlation is working correctly.

How to configure Zabbix global event correlation ?

Configuring Zabbix global event correlation is a simple process that requires only a few steps:

• Log in to the Zabbix web interface and navigate to the Configuration tab.
• Select the Global Event Correlation option from the menu.
• Select the “Create Global Event Correlation” button.
• Fill out the required fields, such as the correlation name, conditions, and actions.
• Click the “Add” button to save the new global event correlation.
• Select the “Enable” checkbox to enable the global event correlation. 
• Finally, click the “Update” button to save the changes.
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