SMART critical warning
critical

Description Disk controller has critical warning on {{ $labels.instance }} drive {{ $labels.device }})
Query
>>>
	
				
					
				
			
				
					 > 0
				
			
    
Query Explanation

The rule fires when the metric smartctl_device_critical_warning for a given instance and device reports a value greater than 0, indicating the SMART subsystem has detected a critical warning on that disk. As soon as any non‑zero value appears, the SMART critical warning alert is triggered.

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