You can change the disk volume space size in it. Then click Resize… menu item to open the Resize Volume popup dialog.
#How to get a virtual optical disk file free#
Click the VBOX HARDDISK item on left, then you can find the unallocated disk space ( Free Space ) on right.Click the Disks utility tool to open it.Then search keyword disk in the Show Applications area ( Click the bottom left icon in ubuntu-desktop to show all applications).Allocate Additional Space Size In Virtual Machine OS. Right-click the old Ubuntu.vdi file, click Remove Attachment menu item to remove the old virtual machine disk file.ģ.vdi file, you can find the Virtual Size and Actual Size are all 30.00 GB. Open the virtual machine Settings window, click the Storage tab at the top then click the Adds hard disk icon(the last icon in Controller: SATA item like the below picture), and choose the newly cloned virtual machine disk file ( Ubuntu-clone.vdi ).In the above command line, we use the VBoxManage command to clone the Ubuntu.vdi to Ubuntu-clone.vdi, and pass -variant Fixed argument to make the new virtual machine disk file Fixed storage allocation mode.$ VBoxManage clonemedium disk "/Users/jerry/VirtualBox VMs/Ubuntu/Ubuntu.vdi" "/Users/jerry/VirtualBox VMs/Ubuntu/Ubuntu-clone.vdi" -variant Fixed Open a terminal and run the below command. Clone virtual disk file to convert storage allocation mode from Standard( Dynamic) to Fixed size.So we need first to clone the virtual disk to another one and then set the storage allocate mode to Fixed size. From the above picture, we can find our virtual disk file storage allocation mode is Dynamically allocated storage in the right panel Details line.Otherwise, you can not find the place to allocate newly added disk space in virtual machine os. If the storage allocation mode is Dynamic, you should first convert the Dynamic mode to Fixed size storage mode.Before you can allocate additional space size in virtual machine os, you should make sure that your virtual machine storage allocation mode is Fixed size storage.Convert Virtual Machine Disk File Storage Allocation Mode From Dynamic To Fixed. Now the virtual disk file’s virtual size has been increased, we need to allocate the newly added space in the virtual machine os.Ģ. From the below picture, we can see that the new Virtual Size is 30 GB, but the Actual Size is 5.71 GB.Now right-click the Ubuntu virtual machine in VirtualBox, click Settings menu item, then click Storage and select the virtual disk file ( Ubuntu.vdi ) on left, you can see its detailed information on the right side.You can also run the VBoxManage command in the terminal to resize the virtual disk file size as below.ġ92:Ubuntu$ VBoxManage modifymedium "/Users/jerry/VirtualBox VMs/Ubuntu/Ubuntu.vdi" -resize 30000Ġ%.10%.20%.30%.40%.50%.60%.70%.80%.90%.100%.Do not forget to click the Apply button to save the changes.
You can only increase the disk file size, can not decrease the file size.
Then you can select the virtual disk file( Ubuntu.vdi) and change the file size use the bottom slider bar.Open VirtualBox and click Global Tools -> Virtual Media Manager menu item on the Oracle VM VirtualBox Manager window top right corner.
Increase Virtual Machine Disk Virtual Size.
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