Applies to ONTAP 9 FlexVol Issue Volume offline results in error: cluster1::> volume offline -vserver testvserver -volume testvol1 Warning: Volume "testvol1" on Vserver "testvserver" must be unmounted...Applies to ONTAP 9 FlexVol Issue Volume offline results in error: cluster1::> volume offline -vserver testvserver -volume testvol1 Warning: Volume "testvol1" on Vserver "testvserver" must be unmounted before being taken offline or restricted. Clients will not be able to access the affected volume and related junction paths after that. Do you still want to unmount the volume and continue? {y|n}: y vol offline: Error offlining volume "testvserver:testvol1". Error while deleting junction.