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Dir : ~/usr/local/src/netdata/health/guides/vcsa/

View File Name : vcsa_database_storage_health.md

### Understand the alert

The `vcsa_database_storage_health` alert monitors the health of database storage components in a VMware vCenter Server Appliance (vCSA). When this alert is triggered, it indicates that one or more components have a health status of Warning, Critical or Unknown.

### What do the different health statuses mean?

- Unknown (`-1`): The system is unable to determine the component's health status.
- Healthy (`0`): The component is functioning correctly and has no known issues.
- Warning (`1`): The component is currently operating but may be experiencing minor problems.
- Critical (`2`): The component is degraded and might have significant issues affecting functionality.
- Critical (`3`): The component is unavailable or expected to stop functioning soon, requiring immediate attention.
- No health data (`4`): There is no health data available for the component.

### Troubleshoot the alert

1. **Identify the affected components**: To begin troubleshooting the alert, you need to identify which components are experiencing health issues. You can check the vCenter Server Appliance Management Interface (VAMI) to review the health status of all components.

   - Access the VAMI by navigating to `https://<appliance-IP>/ui` in your web browser.
   - Log in with your vCenter credentials.
   - Click on the `Health` tab in the left-hand menu to view the health status of all components.

2. **Investigate the issues**: Once you have identified the affected components, review the alarms and events in vCenter to determine the root cause of the problems. Pay close attention to any recent changes or updates that may have impacted system functionality.

3. **Review the vCenter Server logs**: If necessary, examine the logs in vCenter Server to gather more information about any possible issues. The logs can be accessed via SSH, the VAMI, or using the Log Browser in the vSphere Web Client.

4. **Take corrective actions**: Based on your findings from the previous steps, address the issues affecting the health status of the components.

   - In the case of insufficient storage, increasing the storage capacity or deleting unnecessary files might resolve the problem.
   - If the issues are caused by hardware failures, consider replacing or repairing the affected hardware components.
   - For software-related issues, ensure that all components are up-to-date and properly configured.

5. **Monitor the component health**: After taking corrective actions, continue to monitor the health statuses of the affected components through the VAMI to ensure that the issues have been successfully resolved.