For example, if you have a fixed disk of 50 GB in size with only 20 GB of data on it and you convert it to a dynamic disk, you should be able to shrink it to take up only 20 GB of space.
Incorrect use or use of an outdated configuration can lead to total loss of data on the physical disk. Warning Raw hard disk access is for expert users only. If you have a fixed size disk you want to shrink, you can first convert it to a dynamic disk and then follow the below instructions. 1 Answer Sorted by: 2 Direct disk access isn't for the faint of heart. Related: How to Convert Between Fixed and Dynamic Disks in VirtualBox Fixed size disks will always be their maximum size. Dynamic disks may be up to a certain maximum size-50 GB, for example-but they only actually grow to that maximum size when they contain that much data. This process only works for dynamic disks, which can grow and shrink in size.
Right click on the VM from the list and click on Settings. Step One: Ensure You're Using a Dynamic Disk Steps to add new hard disk to VirtualBox VM: Launch VirtualBox. But, if you've created a dynamic disk, downloaded 10 GB of data into it, and then deleted that 10 GB of data afterwards, you should be able to shrink the disk by about 10 GB. So, if you just created a dynamic disk, this won't shrink it. From within VirtualBox I am using Xubuntu as a virtual OS. Background: I am using VirtualBox installed on Windows 7. Remember that this will only shrink the disk if it's grown in size and you've since removed data. 42 This question already has answers here : Use physical harddisk in Virtual Box (10 answers) Closed 4 years ago.
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