Expert Advice

OS390_Cache_Read_HitPct_Warn  
Situation Description
Suggested Actions
Situation Description

DASD Cache Read Hit Warning Situation

 

Suggested Actions

The Cache read hit ratio for the indicated device is less than the Warning threshold. If so, a performance specialist should do further research to see if I/O tuning (data set placement) is necessary. If no goals are being missed the threshold might have to be adjusted.

 

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