Applies to Cloud Volume ONTAP (CVO) Issue EMS reports error: [xxxxxx:mgmtgwd.rootvolrec.low.space:EMERGENCY]: The root volume on node xxxxxx is dangerously low on space. Less than 10 MB of free space ...Applies to Cloud Volume ONTAP (CVO) Issue EMS reports error: [xxxxxx:mgmtgwd.rootvolrec.low.space:EMERGENCY]: The root volume on node xxxxxx is dangerously low on space. Less than 10 MB of free space remaining. Upgrade causes MGMT cluster app to go down on one node, and all cluster apps down on another. One node of a two node cluster cannot run any clustershell commands: cluster::> cluster show Error: "show" is not a recognized command