Column Name  | Data Type  | Description  | 
ARRAY_NAME  | STRING  | Array name  | 
CUM_INTERVAL_SEC  | NUMBER  | Time interval in seconds for the day for which the data was collected.  | 
DISK_BUSY_PCT  | NUMBER  | Average disk busy percent for the day.  | 
DISK_LATENCY_MS  | NUMBER  | Average disk latency(milliseconds) for the day.  | 
DISK_RATE_IN_BPS  | NUMBER  | Disk rate: Average disk write performance(bytes/second) for the day.  | 
DISK_RATE_OUT_BPS  | NUMBER  | Disk rate: Average disk read performance(bytes/second) for the day.  | 
DRIVE_BAY_NBR  | NUMBER  | Drive Bay number.  | 
INTERVAL_TYPE  | STRING  | Interval type of the collection.  | 
ISI_DRIVE_BAY_ID  | NUMBER  | Drive Bay ID, for internal use by the Hitachi Storage Viewer database.  | 
ISI_NODE_ID  | NUMBER  | Node ID, for internal use by the Hitachi Storage Viewer database.  | 
ISI_STORAGE_SYSTEM_ID  | NUMBER  | Storage system ID, for internal use by the Hitachi Storage Viewer database.  | 
LOG_DATE  | DATE  | Midnight time stamp of the day the record was aggregated for.  | 
NODE_NAME  | STRING  | Node name  | 
OPERATION_RATE_IN_OPS  | NUMBER  | Disk rate: Average disk write performace(IOPS) for the day.  | 
OPERATION_RATE_OUT_OPS  | NUMBER  | Disk rate: Average disk read performance(IOPS) for the day.  |