[CentOS] Resize all partitions bigger

Fri Jun 25 16:24:24 UTC 2010
Robert Arkiletian <robark at gmail.com>

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?


-- 
Robert Arkiletian
Eric Hamber Secondary, Vancouver, Canada