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Netdata low disk space
warning

Description Netdata low disk space (> 80%)
Query for 5m 
>>>
	
				
					100 / 
				
			
				
					
				
			
				
					 * 
				
			
				
					
				
			
				
					{dimension=~"avail|cached"} < 20
Query Explanation

The rule computes the percentage of free (or cached) disk space by evaluating 100 / total_disk_GB * free_or_cached_GB; when this percentage falls below 20 % (i.e., less than 20 % of the disk is available or cached), the alert is triggered.

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