Re: transferring boot

[Nicolas George <george@nsup.org>]

Eben King (HE12025-07-31):
> I recently got some SSDs, and decided to use one of them (a 256G model) to
> boot from.  I want the change to be undetectable, in that from a user
> perspective, nothing seems different, just faster.
> 
> I currently have a 2T HD, partitioned with GPT but booting by MBR.  Yes,
> that's probably weird.  When I installed Debian I was unaware that the
> installer would only install grub to boot using the method that the
> installer booted.  My BIOS/firmware will boot using either method, but
> defaults to MBR if both methods work.  You can force it to use UEFI on a
> one-time basis.  I want the SSD to boot using UEFI.  Is that possible, and
> if so, what's the best method to go about it?
> 
> My ideas are:
> 1. dd / onto the SSD, then modify it to boot UEFI.  This sounds hard.
> 2. Install Debian (the same version I run) onto the SSD, then modify
>    /etc and whatever else so stuff works.  This sounds error-prone.
> 3. Wait until I upgrade to Trixie, then let the installer hash it out.

The most convenient method depends on what exactly you have right now.
Can you share the output of lsblk and df?

Regards,

-- 
  Nicolas George