LinuxQuestions.org - [SOLVED] Cannot create VirtualBox hd image - VBoxManage: error: Failed to create hard disk

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Cannot create VirtualBox hd image - VBoxManage: error: Failed to create hard disk

Code:

VBoxManage createhd --filename hard_drive --size 6144 --format VDI --variant Split2G

0%...

Progress state: VBOX_E_FILE_ERROR

VBoxManage: error: Failed to create hard disk

VBoxManage: error: Could not create the medium storage unit 'hard_drive.vdi' (VERR_VD_INVALID_TYPE)

VBoxManage: error: Details: code VBOX_E_FILE_ERROR (0x80bb0004), component Medium, interface IMedium

VBoxManage: error: Context: "int handleCreateHardDisk(HandlerArg*)" at line 423 of file VBoxManageDisk.cpp

This is actually a SOLUTION and not a problem, as I spent a few hours this morning wondering why this was failing and could not google anything that gave me an answer.

You can't use the Split2G variant with a .VDI format. You need to use another (I chose .VHD). The error message is rather uninformative and didn't point to the answer. I hope this helps someone else to a quick resolution.

I caught later that, while .VHD format stops the errors and creates a disk file, you need to choose .VMDK to accomplish what I wanted, the Split2G.