Re: resizing root partition
On Fri, Apr 04, 2003 at 07:31:51PM +0200, Frank Gevaerts wrote:
> On Fri, Apr 04, 2003 at 11:13:20AM -0500, Matthew Weier O'Phinney wrote:
> > When I originally created my disk partitions, I figured 3GB would be
> > plenty for my root partition, and gave the rest of my 30GB disk over to
> > my /home partition. However, my root now shows 90% usage, and I'd like
> > to expand it -- or move my /usr area off onto another partition. Is this
> > possible, and if so, can somebody point me to a howto?
>
> The easiest way is probably to put /usr somewhere else. A possible way
> is:
>
> make a new partition and filesystem for /usr
> make a directory /mnt/newusr
> mount the new partition at /mnt/newusr
> cd /
> find usr|cpio -pmd /mnt/newusr
> umount /mnt/newusr
> init 1 (go to single-user)
> cd /
> mv usr usr.old
> mkdir usr
> mount the new partition at /usr
> change /etc/fstab
> (optional) reboot and check that everything works (after changing
> partition tables, it is always a good idea to reboot to see if the
> system comes up correctly. If you reboot 3 months later and it doesn't
> work, you won't remember why)
> rm -rf /usr.old
>
> To resize your root partition (I tried it, and it seems to work, but I'm
> still not sure if I just was lucky)
>
> make sure there is room to expand (use parted to move other partitions
> out of the way)
> go single-user
> mount / -o ro,remount (important!)
> umount everything else
> use parted to expand the root partition (it will complain that it is in
> use. Ignore the complaint)
> when it is done, hard reset the computer (I'm not sure a clean shutdown
> wouldn't write to the disk with old assumptions, and with everything
> readonly, you should be safe)
> hope for the best...
> if /boot is on the same partition, have a boot floppy ready, just in
> case.
Sorry to followup on my own post. Im just remembered that there are some
ready-to-use parted boot and root floppies available. Using those
probably makes much more sense than what I suggested.
Frank
>
> Frank
>
> >
> > --
> > Matthew Weier O'Phinney
> > matthew@weierophinney.net
> > http://matthew.weierophinney.net
> >
> >
> > --
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>
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