Column Name  | Data Type  | Description  | 
ARRAY_NAME  | STRING  | Array name  | 
BUSY_PCT  | NUMBER  | Percentage of time that there are commands outstanding on the indicated array target port from this controller.  | 
CUM_INTERVAL_SEC  | NUMBER  | Time interval, in seconds, for which the NetApp Cluster target port performance history data was collected.  | 
EXTN_ARRAY_PROFILE_NAME  | STRING  | External array profile name  | 
INTERVAL_TYPE  | STRING  | Target port performance history collection interval type.  | 
LOG_DATE  | DATE  | Timestamp at which the performance data was collected. This is not a counter and is returned as an additional element in the output.  | 
NTC_EXTN_ARRAY_PROFILE_ID  | NUMBER  | ID of the external array name in the array record.  | 
NTC_STORAGE_SYSTEM_ID  | NUMBER  | Storage system ID, for internal use by the Hitachi Storage Viewer database.  | 
READ_KBPS  | NUMBER  | The average read throughput in K bytes per second read by this controller from the indicated array target port.  | 
READ_LATENCY_MS  | NUMBER  | The average latency for I/O read operations performed by this controller on the indicated array target port.  | 
READ_OPS  | NUMBER  | The number of I/O read operations per second performed by this controller on the indicated.  | 
TOTAL_KBPS  | NUMBER  | The average total throughput in K bytes per second read or written by this controller to or from the indicated array target port.  | 
TOTAL_LATENCY_MS  | NUMBER  | The average latency for I/O operations performed by this controller on the indicated array target port.  | 
TOTAL_OPS  | NUMBER  | The total number of I/O read and write operations per second performed by this controller on the indicated array target port.  | 
USEC_SINCE_BOOT_SEC  | NUMBER  | Time base for the disk-busy calculation.  | 
WAITING_PCT  | NUMBER  | Percentage of time that there are commands queued waiting to be sent to the indicated array target port from this controller.  | 
WRITE_KBPS  | NUMBER  | The average write throughput in K bytes per second written by this controller to the indicated array target port.  | 
WRITE_LATENCY_MS  | NUMBER  | The average latency for I/O write operations performed by this controller on the indicated array target port.  | 
WRITE_OPS  | NUMBER  | The number of I/O write operations per second performed by this controller on the indicated array target port.  | 
WWN_ID  | NUMBER  | Internally generated sequence that identifies the World Wide Name (WWN).  | 
WWN_NAME  | STRING  | WWN name  |