Partition resize

Chadley Wilson chadleyw at
Wed Feb 3 06:03:34 UTC 2010

> On 02/02/2010 09:03 AM, Alfredo De Luca wrote:
> > Hi all.
> >
> > Scenario
> > Dual boot with Windows 7 and Ubuntu 9.10.
> >
> > I'd like to resize Ubuntu partition in order to take all disk (of
> > course Win
> > 7 included) without reinstall Ubuntu.
> >
> > Does anybody know if and how to do that?
> Just to be absolutely crystal clear; are you asking how to:
> - Resize the existing Ubuntu partition *and* in the process remove Win7 so
> that you can use the entire disk for Ubuntu?
> - Or, are you wishing to keep Win7 so that you can still dual-boot Win7 and
> Ubuntu?

Hi Alfredo,
What you trying to do is actually rather hard and unnecessary, but I like challenges so I will be glad to assist you.
I have found in many cases that the Windows X partitions are never really removed by the Linux partitioners. So you might need to run diskpart from your Windows X installation medium. And manually delete the Windows X partitions.

You can't resize an already mounted partition. So it is best to just boot from your Ubuntu disc and select rescue. You will eventually be prompted for your root file system, at this point choose no root file system.  You will then be asked if you wish to select an alternative root file system , a console or reboot. Choose the console option and run partman.

Partman gives you a text based gui and works wonderfully. Just follow the instructions on screen... and if it prints really scary looking stuff on the screen just leave it. Sometimes it can take as long as 30 minutes, so just hang in there...

I hope this helps you and Good luck.

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