> The size you see for the VDI file is what was ever written to the disk. So
> while Windows
> see 150GB free, it has written at some point across 452GB worth of sectors.
> VDI have a chunck size of 1MB, so any sector which hasn't been written yet
> would trigger
> this if not within a 1MB chunck.
Thanks for the feedback, but I am still puzzled. We have about 30 VMs, and only
this one behaves this way. My understanding is that the physical image size
grows to fit the logical image size, so if I create a 500 GB dynamic image, but
the logical partition inside the VM is only 100 GB, then the physical size
should never exceed 100 GB. That's the way all of my other VMs behave.
If I understand you correctly, then if I ran a script in the VM that writes
random characters to a file and then deletes the file over and over, then the
usage of the logical disk in the VM would stay the same, but the physical disk
image on the host would continue to grow? That makes no sense to me.
--
Eric Robinson
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