Well, first of all, execute the calibrate command on all available cell storage.
We are doing testing on Exadata Database Machine X3-2 1/8th
rack. Same procedure can be followed on any configuration of Exadata.
Cell Server 1
CellCLI> calibrate force
Calibration will take a few minutes...
Aggregate random read throughput across all hard disk LUNs: 1521 MBPS
Aggregate random read throughput across all flash disk LUNs: 8048.46 MBPS
Aggregate random read IOs per second (IOPS) across all hard disk LUNs: 2380
Aggregate random read IOs per second (IOPS) across all flash disk LUNs:
113116
Controller read throughput: 1974.08 MBPS