Re: migrate to new system disk
On Wednesday 02 December 2009, tv.debian@googlemail.com wrote:
> >David Goodenough wrote:
> >> On Wednesday 02 December 2009, Alan Ianson wrote:
> >>> 2. I'm sticking with LILO. I've never "manually" installed a boot
> >>> loader, only during Debian clean/scratch installations using the Deb
> >>> installer. The last time I did that was with Woody, like 4 years ago.
> >>> How do I manually install LILO to the boot sector of the new disk? I'm
> >>> sure it's simple, I just don't know the command.
> >>>
> >>> Thanks so much for your very helpful insight to this point Andrew.
> >>
> >> I haven't used lilo in years.. but if I remember right I ran the command
> >> "lilo" after making any changes to it's config and that would rewrite
> >> it.
> >
> > If you (or anyone else) is using Grub, simply copying your files across
> > your files will not work due to the presence of UUIDs in the Grub2 config
> > files. I have been unable to find the proper procedure for updating
> > those UUIDs.
> >
> > David
>
> Hi,
>
> tune2fs -U [old_partition_UUID] /dev/[new_partition]
>
> will change the UUID of the new partition to the one of the original
> one. If the partitions are inside the same machine, it is necessary to
> change the UUID of the old partition, so that UUID's remain unique...
> fstab needs adjusting if UUID are in use there too.
> This is how I do it when moving systems around, it works, not to say
> there isn't a better way !
>
while that will solve the problem, what I really want is a command that
will update the grub config files (and fstab if that starts using UUIDs too)
to the new disk. Issuing commands with UUIDs in them manually does
not strike me as fun or something to be done regularly.
David
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