Applies to Active IQ Unified Manager 9.x ONTAP 9 Description This article describes how to calculate volume thresholds size in Active IQ Unified Manager. Nearly Full Threshold: Specifies the percentag...Applies to Active IQ Unified Manager 9.x ONTAP 9 Description This article describes how to calculate volume thresholds size in Active IQ Unified Manager. Nearly Full Threshold: Specifies the percentage at which a volume is nearly full. Full Threshold: Specifies the percentage at which a volume is full.