- this is a standard VDI (not a VHD)
- there are no snapshots
- I followed the How to resize a Virtual Drive FAQ (I can’t post URLs)
I also tried compacting in case that made a difference.
/media/vm/VirtualBox VMs/Windows 7 64 bit$ VBoxManage showmediuminfo Windows\ 7\ 64\ bit.vdi UUID: ff2a905d-5234-4a4c-ae41-8459fe8b0818 Parent UUID: base State: created Type: normal (base) Location: /media/vm/VirtualBox VMs/Windows 7 64 bit/Windows 7 64 bit.vdi Storage format: VDI Format variant: dynamic default Capacity: 25600 MBytes Size on disk: 25520 MBytes Encryption: disabled In use by VMs: Windows 7 64 bit (UUID: 77b93170-602e-407f-8b39-06575acbc0b1) /media/vm/VirtualBox VMs/Windows 7 64 bit$ VBoxManage modifymedium Windows\ 7\ 64\ bit.vdi --compact 0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100% /media/vm/VirtualBox VMs/Windows 7 64 bit$ VBoxManage showmediuminfo Windows\ 7\ 64\ bit.vdi UUID: ff2a905d-5234-4a4c-ae41-8459fe8b0818 Parent UUID: base State: created Type: normal (base) Location: /media/vm/VirtualBox VMs/Windows 7 64 bit/Windows 7 64 bit.vdi Storage format: VDI Format variant: dynamic default Capacity: 25600 MBytes Size on disk: 25488 MBytes Encryption: disabled In use by VMs: Windows 7 64 bit (UUID: 77b93170-602e-407f-8b39-06575acbc0b1) /media/vm/VirtualBox VMs/Windows 7 64 bit$ VBoxManage modifymedium Windows\ 7\ 64\ bit.vdi --resize 51200 0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100% /media/vm/VirtualBox VMs/Windows 7 64 bit$ VBoxManage showmediuminfo Windows\ 7\ 64\ bit.vdi UUID: ff2a905d-5234-4a4c-ae41-8459fe8b0818 Parent UUID: base State: created Type: normal (base) Location: /media/vm/VirtualBox VMs/Windows 7 64 bit/Windows 7 64 bit.vdi Storage format: VDI Format variant: dynamic default Capacity: 51200 MBytes Size on disk: 25488 MBytes Encryption: disabled In use by VMs: Windows 7 64 bit (UUID: 77b93170-602e-407f-8b39-06575acbc0b1)If I attach a live Ubuntu ISO and look at the VDI with GParted it just shows as all unallocated space.
Is there something I’m missing?
Edit: VirtualBox 5.0.26 r108824