Unmounting FlexVol volumes
You can use the Junction Path option of Storage pane in System Manager to unmount FlexVol volumes from a junction in the storage virtual machine (SVM) namespace.
Click Storage > Junction Path.
From the drop-down menu in the SVM field, select the SVM from which you want to unmount a volume.
Select the volumes that have to be unmounted, and then click Unmount.
Select the confirmation check box, and then click Unmount.