In DA Drive Analyzer, whenever you see a drive with an Alert, you may want to back up your data or take other precautions. Alerts can be triggered by any of three warning systems. These warning systems consist of the following: AI-Based Drive Health Predictions, Faulty Drives (with NAS-Detected Errors), and Threshold-Based Alerts.
You can find Alerts, AI-Based Drive Health Predictions, and Faulty Drives (with NAS-Detected Errors) by going to DA Portal >> All Systems View:
You can find Threshold Based Alerts by going to DA Portal >> Slot View >> Threshold Based Alerts tab: