Top 10: Volumes with most Disk Usage showing incorrect data

Top 10: Volumes with most Disk Usage showing incorrect data

In the Home -> Top 10 view, one device is showing a volume has 383% utilization (attachment1). When I look at the device snapshot, I see that same volume at 31% utilization. Odd though that the free disk space for the same volume is 383GB (attachment2). When I view the monitor details, it does show that there was a 383% monitor value (attachment3). Has anyone seen this before? Could it be a reference issue or something specifically to do with hyper-v hosts?

This is on OpManager10 running on PGSql in Windows 08 R2. The device itself is a hyper-v host machine.

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