[CentOS] Resize all partitions bigger

Fri Jun 25 13:44:34 UTC 2010
Jerry McAllister <jerrymc at msu.edu>

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.

////jerry


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