OpManager and ESXi

OpManager and ESXi

I've got an installation with 12 ESXi hosts monitored with the latest build of OpManager.
 
One og my ESXi hosts doesn't update the storage area, telling me that some storage LUN's are out of diskspace when they are not.
 
How can I make OpManager to show or update the actual disk usage?
 
Regards
Kaspar Brygger
Rambøll Informatik A/S

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