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Home > Success Center > Virtualization Manager (VMAN) > Free space from Component Volumes does not correspond with the VM capacity and usage in VMan

Free space from Component Volumes does not correspond with the VM capacity and usage in VMan

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Created by Maciej Klasa, last modified by MindTouch on Jun 23, 2016

Views: 85 Votes: 0 Revisions: 3


The total of free disk space in the Component Volumes resource in IVIM does not correspond with the capacity and used space in VMan VM view.


  • VMan 6.3.1
  • IVIM 2.1.1


There is a misunderstanding on the information regarding polling from different resources.

The Capacity information displayed in VMan is basically the sum of all VMDK files assigned to a VM. If this is a thin provisioned storage, not all of the storage will be allocated at the time of creation. Currently, used disk space by all VMDK files is represented as "Used" in the VMan Web Console (or "Total Used Storage" on your report). 


Information which you can see in the Component Volumes resource or in the Volumes section in VMan comes from a  Guest OS. A Guest OS needs to create partitions on the assigned disks and create file systems. So free disk space in that resource will not correlate with capacity-usage on VMDK files.



Last modified
04:09, 23 Jun 2016