Chris Elvidge  wrote:
> On 04/10/2020 01:56 pm, NY wrote:
>> On my Pi 4, I installed RaspiOS from NOOBS and configured everything. I
>> installed to the 16 GB SD card which was supplied, but there isn't much
>> free disk space so I'd like to copy the image to a 32 GB card and use
>> the extra 16 GB on that card as root filesystem.
>>
>> Using Windows, I've copied the image from the 16 GB card to a .IMG file,
>> and then from that .IMG file to the 32 GB card, using Win32 Disk Imager
>> (should I be using a different tool to do this?).
>>
>> The Pi boots fine. df -k shows that the root partition is still 16 GB,
>> as I'd expect.
>>
>> I run sudo raspi-config and select Advanced | Expand Filesystem - but I
>> get an error "Your partition layout is not currently supported by this
>> tool. You are probably using NOOBS in which case your root filesystem is
>> already expanded anyway".
>>
>> How do I proceed from here? Will I have to start from scratch, putting
>> NOOBS on the 32 GB card and then installing everything again. Or would a
>> different disk imaging tool create the 32 GB card in such a way that
>> raspi-config can expand the filesystem?
>
> One way that gets over the need to expand it would be to make a
> filesystem on /dev/mmcblk0p3 and then use that as /home.
> Mount the new filesystem to /mnt and then rsync -av /home/ /mnt/
> Unmount and mount the new filesystem on /home to check.
> Then you can unmount and remove the old /home/* and remount the new one
> on /home/
>
> Alternatively (assuming you have the full desktop) install gparted and
> use that to remove mmcblk0p3 and expand mmcblk0p2 to the fullest extent.
>
> You can probably do it with parted from the command line - but I've
> never tried.

And then remember to never ever use Noobs again.

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