I have a Virtualbox VM, with a .vdi that is taking 49gb in the host machine.
I may have used that much space inside the VM once, but now I'm only really using about 6gb.
I tried this command for virtualbox:
vboxmanage modifyhd /path/to/disk.vdi --compact
It started working 0%..10%.....100%. But nothing really happened, the .vdi was still 49gb.
Then I run 'df -h' in the VM and found this:
root@mypc# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/mypc-root 2.0T 38G 1.9T 2% / udev 1.3G 4.0K 1.3G 1% /dev tmpfs 502M 784K 501M 1% /run none 5.0M 0 5.0M 0% /run/lock none 1.3G 160K 1.3G 1% /run/shm /dev/sda1 228M 31M 185M 15% /boot /home/someuser/.Private 2.0T 38G 1.9T 2% /home/someuser
I don't know why it is using 38gb there.
I cleaned the Trash but it didn't help.
Any ideas on what else I can do?
The VM has Ubuntu 12, with encrypted LVM and home (that's the .Private dir). The host has Windows 7.
I was able to free space for /dev/sda1, but not for /dev/mapper/mypc-root. Zerofree starts and never ends, though I can tell the disk has stopped writting because it stops doing noise after a minute.
Here's the output for 'df -ih'
root@mypc:/home/someuser# df -ih Filesystem Inodes IUsed IFree IUse% Mounted on /dev/mapper/mypc-root 128M 208K 128M 1% / udev 311K 495 310K 1% /dev tmpfs 314K 428 314K 1% /run none 314K 4 314K 1% /run/lock none 314K 7 314K 1% /run/shm /dev/sda1 122K 230 122K 1% /boot /home/someuser/.Private 128M 208K 128M 1% /home/someuser