ABC.com migrated OLTP applications from servers with direct-attached storage to new servers
using a CLARiiON array. Users are complaining about poor application performance. The
following information is available for your review:
Performance Manager data on CLARiiON and SAN switches
Current CLARiiON configuration information
Oracle statistics for the applications
EMC Grabs on the new servers
You suspect that cache settings on the CLARiiON array are not appropriate. What is the best
method to validate your suspicions?

A.
Compare the currentCLARiiON configuration with installation settings made by Professional
Services

B.
Run HEAT reports on the Grabs

C.
Review the overall LUN performance mixture to determine if cache settings are appropriate

D.
Ask the Customer Engineer to disable read caching and see if that helps