Because of that, the dynamically created storage will get larger and larger once you start using the virtual machine. Since your virtual operating system thinks that you are having more free space, it will fail to do the garbage collection on the disk for optimization (In Windows its called Disk Defragmentation).
You can actually create a virtual disk even more than the physical drive size eg: you can create 1 TB virtual disk on a 128 GB physical storage.īut here is a big drawback which many failed to consider.Actual Physical memory will not be occupied.
This type of virtual disk file will not consume the actual physical storage in your hard disk but it shows as it has that many allocated size (free memory) available to your virtual OS. And its obvious that many go for the default one Dynamically allocated.ĭid you ever thought what is the advantage of Fixed size over Dynamic size? Here is where the difference I noticed
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