[CentOS] Resize all partitions bigger

Fri Jun 25 16:25:01 UTC 2010
Jerry McAllister <jerrymc at msu.edu>

On Fri, Jun 25, 2010 at 09:24:24AM -0700, Robert Arkiletian wrote:

> On Fri, Jun 25, 2010 at 6:44 AM, Jerry McAllister <jerrymc at msu.edu> wrote:
> > On Thu, Jun 24, 2010 at 11:05:52PM -0700, Robert Arkiletian wrote:
> >
> >> I effectively have 1 drive /dev/sda  (it's actually a hardware raid 10 array)
> >>
> >> I have lots of free sapce. I want to resize my partitions (boot, home,
> >> /) bigger.
> >> Going to use Clonezilla to make an image of each partition and save it
> >> on another box.
> >>
> >> Then re-partition and format new bigger partitions.
> >> Then restore images with Clonezilla.
> >>
> >> But I know UUID's will be wrong and I don't feel like creating new
> >> ones. I just want to use /dev/sdx
> >
> > ???
> >
> >>
> >> Am I correct in assuming I only need to edit /etc/fstab and /etc/grub.conf
> >> or is there anything else I need to edit?

> >
> > You might be better off using dump(8) and restore(8) to copy and
> > restore the disk partitions.   Dump will preserve the information
> > you need and then restore will allow it to use the new larget
> > partition cleanly.    Some of your other cloning software (I don't
> > know about Clonezilla) including dd(1) will try to duplicate the
> > space as it was on the old partitions and not use the new space.
> > So dump the partitions
> >   redo the partitions
> >   restore in to the new partitions
> > If you are changing root (/) and/or /boot you have to build a minimal
> > bootable system on it/them.   But, really root and /boot do not need
> > to be very large if you put growing stuff in its own partitions
> > such as /home, /usr, /var.
> >
> 
> Thanks for the advice. My initial question remains.
> 
> Am I correct in assuming I only need to edit /etc/fstab and /etc/grub.conf
> to boot from the new partitions?

If you keep the partition names the same, you shouldn't have to 
change anything.   Can you accomplish everything you are doing
from a live boot CD?   Then you can make it just the same.

////jerry

> 
> 
> -- 
> Robert Arkiletian
> Eric Hamber Secondary, Vancouver, Canada
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