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Re: Copying one drive to a smaller one.

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On Mon, 9 May 2022 11:54:16 -0700
David Christensen <dpchrist@holgerdanske.com> wrote:

> On 5/8/22 18:54, paulf@quillandmouse.com wrote:
> > Folks:
> > 
> > Situation: I have a 500G boot drive (root, swap, home) I'd like to
> > copy to a new 250G drive which must then also be bootable (yes,
> > there's enough room). This are EFI drives. I can use "dd", but I
> > don't know the proper parameters, and as I understand it, copying a
> > 500G to a 250G drive is Bad(tm). I could use "rsync", but I don't
> > think the second 250G drive will boot just because I copied the
> > files over to it. I suspect I would have an additional step needed
> > to make the drive bootable.
> > 
> > Can someone outline the proper procedure here?
> 
> 
> Resizing and moving a Debian instance from a 500 GB drive to a 250 GB 
> drive requires a lot of expertise.
> 
> 
> I would take the KISS approach -- backup the system configuration
> files and data, remove the 500 GB drive, install the 250 GB drive, do
> a fresh install onto the 250 GB drive, and reconfigure/ restore.
> 

Unfortunately, this is precisely what I was trying to avoid. For
example, to accommodate the graphics on my CPU, I had to use a later
kernel from backports. That's one of many wrinkles. Under other
circumstances, I probably would do as you advise, but I'm limited on
time and was trying to find a shortcut.

Paul

-- 
Paul M. Foster
Personal Blog: http://noferblatz.com
Company Site: http://quillandmouse.com
Software Projects: https://gitlab.com/paulmfoster

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Thread

Copying one drive to a smaller one. <paulf@quillandmouse.com> - 2022-05-09 04:00 +0200
  Re: Copying one drive to a smaller one. Felix Miata <mrmazda@earthlink.net> - 2022-05-09 04:40 +0200
  Re: Copying one drive to a smaller one. David Christensen <dpchrist@holgerdanske.com> - 2022-05-09 21:00 +0200
    Re: Copying one drive to a smaller one. "Andrew M.A. Cater" <amacater@einval.com> - 2022-05-09 21:20 +0200
      Re: Copying one drive to a smaller one. Tixy <tixy@yxit.co.uk> - 2022-05-09 22:10 +0200
      Re: Copying one drive to a smaller one. The Wanderer <wanderer@fastmail.fm> - 2022-05-09 23:00 +0200
    Re: Copying one drive to a smaller one. <paulf@quillandmouse.com> - 2022-05-09 23:10 +0200
      Re: Copying one drive to a smaller one. Michael Stone <mstone@debian.org> - 2022-05-10 00:10 +0200
        Re: Copying one drive to a smaller one. Stefan Monnier <monnier@iro.umontreal.ca> - 2022-05-10 04:40 +0200
    Re: Copying one drive to a smaller one. "stepore@gmail.com" <stepore@gmail.com> - 2022-05-10 07:10 +0200
    Re: Copying one drive to a smaller one. <paulf@quillandmouse.com> - 2022-05-10 14:40 +0200
      Re: Copying one drive to a smaller one. Michael Stone <mstone@debian.org> - 2022-05-10 18:30 +0200
      Re: Copying one drive to a smaller one. Michael Stone <mstone@debian.org> - 2022-05-10 21:20 +0200
      Re: Copying one drive to a smaller one. <paulf@quillandmouse.com> - 2022-05-10 21:30 +0200

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