@limetech   Testing carried out.   Remove UD plugin, SAS Spindown plugin and the two iscsi ones.   Reboot system.   After reboot no temps showing, press spinup, all now showing temps and all disks spinning.   run /usr/local/sbin/emcmd 'cmdHotplug=apply'    No change in displays either Dash or Main. Connect flash drive, run cmd flash drive appears, remove flash run cmd flash disappears.    Spindown all drives.   call