Moving / mountpoint

[Garry Harthill]

On 17/08/05, Paul Howarth <paul at city-fan.org> wrote:
> Garry Harthill wrote:
> >>I'd suggest making the partition on the new disk the same size or bigger
> >>than the old root partition and then using "dd" to copy the actual
> >>partition across rather than mounting the filesystem and using a regular
> >>copy tool. This will ensure that an exact copy is made. You can then use
> >>resize2fs to expand the new root filesystem to fill its partition, and
> >>tune2fs to change the filesystem label - otherwise you'll have two
> >>filesystems labelled "/", which will confuse the kernel.
> >
> >
> > Is tune2fs nessercery if grub.conf is using "root=/dev/hdc2" and not
> > using a label.
> 
> Correct, it wouldn't be necessary. However, if instead of editing your
> existing grub.conf entry, you copied it and then edited the copy (so
> that old and new were still present), you'd then have a choice of which
> root partition to boot using, which might be nice to have if something
> prevented the copy from working properly. Since the original entry used
> a filesystem label, it would be wise to ensure that there wasn't a
> duplicate label around, hence using tune2fs to change the label on the copy.
> 
> > Also if I go with a file copy (cp -a for example) this
> > doesn't do anything with the labels so there wouldn't be a problem? Is
> > this correct?
> 
> Yes, that's correct. Using dd would be significantly faster though.
> 
> > I'm just trying to cover all bases and understand this a bit better. Sorry :)
> 
> Perfectly understandable.
> 
> Paul.
> 

All done. Thanks for your help. No problems - all went smoothly