Applies to Active IQ Unified Manager 9.6+ ( AIQUM ) ONTAP 9.X Issue Performance data is missing when reviewing volume performance charts. Charts will instead show No data to display. When viewing the ...Applies to Active IQ Unified Manager 9.6+ ( AIQUM ) ONTAP 9.X Issue Performance data is missing when reviewing volume performance charts. Charts will instead show No data to display. When viewing the Performance / Volumes page in the UM web interface the columns Latency, IOPS, MBps display N/A instead of performance data