Which is the best way to identify the root cause of long read latencies using monitors?
A) Check if the %CPU Busy is above 50%
B) Check to see if all volumes are in at least 1 Consistency Group
C) Check the ratio of cache.rhit to cache.miss
D) Check the difference between fe-director.read-lat and storage-volume.read-latency

Question

Quizplus · Accepted Answer

The difference between fe-director.read-lat and storage-volume.read-latency can help identify if the latency is due to front-end processing or back-end storage issues, thus pinpointing the root cause of long read latencies.

Which Is the Best Way to Identify the Root Cause