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Host CPU high iowait
warning

Description CPU iowait > 10%. Your CPU is idling waiting for storage to respond.
Query 
>>>
	
				
					avg by (instance) (
				
			
				
					
					
						rate
					
				
			
				
					(
				
			
				
					
				
			
				
					{mode="iowait"}[5m])) > .10
Query Explanation

The query computes, per instance, the average rate of CPU time spent in iowait over the past 5 minutes; if that average exceeds 10 % (i.e., > 0.10), the alert triggers, indicating the host is idling while waiting for storage I/O.

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