| START_TIME | TIMESTAMP(6) |  | Start time of the most recent I/O calibration | 
| END_TIME | TIMESTAMP(6) |  | End time of the most recent I/O calibration | 
| MAX_IOPS | NUMBER |  | Maximum number of data block read requests that can be sustained per second | 
| MAX_MBPS | NUMBER |  | Maximum megabytes per second of maximum-sized read requests that can be sustained | 
| MAX_PMBPS | NUMBER |  | Maximum megabytes per second of large I/O requests that can be sustained by a single process | 
| LATENCY | NUMBER |  | Latency for data block read requests | 
| NUM_PHYSICAL_DISKS | NUMBER |  | Number of physical disks in the storage subsystem (as specified by the user) |