I'm running DSM 6.2.3-25426 Update 3, with Jun's Loader v1.04b DS918+ on a Dell T20 server for 6 years I think.
Recently I added 2x8TB HDD and I wanted to remove 2x2,5TB HDD. So I uninstalled app so I can delete de first volume. But it said it can not be deleted. So I gave it a restart.
And now this is all I can see: