Saturday, July 16, 2016

12.04 - Unknown Filesystem Error after VirtualBox Disk resize







I was using Ubuntu 12.04 x64 as a Virtual Box guest. Because I started with it just to do some tests, the VM was created just with 10 GB but grown fast, then I wanted resizing it. Of course, I was a fully noob... No backup before doing it.




After some reading, I thought it would be so simple as:



VBoxManage modifyhd MY_DISK.vdi --resize 81920


Unfortunately, no boot:



error: unknown filesystem.
grub rescue>



Then I tried many suggestions, including Boot-Repair as described here: grub rescue prompt after install installing Ubuntu in a dual boot.



Nothing has worked. It seens that my Linux partition isn't there anymore?!
Here is the Pastebin with all the information collected by Boot-Repair.



And the last try, the GParted Live CD can't also recover any data, saying that there isn't data on any partition. Well, I should just give up? Or some way to recover this disk?

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