Moving paritions around
Ian Smith
smithi at nimnet.asn.au
Fri Mar 30 09:46:00 UTC 2007
On 30 Mar 2007 02:50:31 -0000 John Levine <johnl at iecc.com> wrote:
> I set up my laptop to dual boot between W1nd at ws and FreeBSD. When I
> first set it up I made the partitions the same size, but since then I
> found I do a lot more with FreeBSD so I'd rather give it more space.
>
> So the last time I had to reinstall Windows from scratch, I made its
> partition smaller. Now there's a big chunk of free space between
> the two partitions. Should I expect the following to work?
>
> (back everything up, duh)
>
> Boot from a CD, change the partition table to make the FreeBSD partition
> start right after the Windows partition
>
> Use dd to move down the existing FreeBSD partition data so it starts
> at the beginning of the new partition
>
> Use growfs to give the extra space to my /usr filesystem, which is at
> the end of the existing partition
That all sounds a bit scary, and I don't know if it might work.
> Or should I just back it all up to a USB disk, reformat, and restore it,
> which will take considerably longer?
You could, or you could do as Garrett suggested, but what I'd likely do
(have done) in the same situation is to make a new FreeBSD slice with
fdisk, occupying the area you've freed above the 'doze slice, and mount
it on, say, /data. Or you could mount it on say /usr/data, whatever.
One caveat: if you use sysinstall to setup the fdisk/newfs/labeling of a
new slice that's _before_ your boot slice, be sure to write your changes
and bail out of sysinstall before it thinks you want to install there :)
Cheers, Ian
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