Five Out of 4S Servers Using One Particular Enterprise Storage

question 56

Multiple Choice

Five out of 4S servers using one particular enterprise storage system are experiencing performance degradation during normal working hours. All 48 servers have similar workload characteristics. There are multiple disk groups that make up your enterprise storage. What should be monitored to determine the root cause?

• A) IOPS per RAID array
• B) Cache read hit ratio
• C) Traffic levels on the SAN switches
• D) Clone sessions

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Definitions:

Data

Information collected in numerical form for analysis or used to make decisions, often gathered from observations, experiments, or surveys.

R-chart

R-chart is a type of control chart used to monitor the range of variation within a process based on sample measurements.

Control Limits

Boundaries in control charts within which a process statistic is considered to be in control and outside of which it is deemed out of control.

Sample Size

The number of observations or data points used in a study or experiment, critical for the reliability and accuracy of results.