Re: migrating drives on UEFI systems

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Tim via users <users@xxxxxxxxxxxxxxxxxxxxxxx> 于2020年6月22日周一 下午9:14写道:
>
> Tim:
> >> I tried this last night, and it didn't want to boot.  I cloned it
> >> using
>
> Qiyu Yan:
> > How it didn't want to boot,  did you enter the GRUB or just stuck in
> > UEFI or something else? I'd guess you stuck at UEFI stage and can't
> > enter GRUB.
>
> UEFI gave me its error message about not being a bootable drive.  I had
> to reboot and try different boot devices using UEFI boot options.

That makes sense, old boot entry doesn't work and UEFI may look for a
fallback and unable to find one.

Try:
 - Change boot options, make default device to your new disk
 - If that don't work, setup boot entry manually. Use a live disk will
be a good choice.

>
> >> If it makes any difference, I can't recall if I plugged it into the
> >> same SATA port on the motherboard.  It's a board with 6 sockets,
>
> > For most motherboards, this will not affect if you have removed the
> > old disk,  UEFI will search for available EFI partitions.
> >
> > But you need to recreate boot entries via efibootmgr or grub2-
> > install.
>
> I was hoping that when I used dd on the whole drive, that doing so
> would have created everything it needed on the drive.

**most everything** but by this way you didn't set up boot entry for
your disk in UEFI's nvram, you need to do this manually. But usually,
BOOTX64.EFI will be a fallback.

>
> Or is this a case of UEFI needing to be set for the right SATA port?
>
> --
>
> uname -rsvp
> Linux 3.10.0-1127.10.1.el7.x86_64 #1 SMP Wed Jun 3 14:28:03 UTC 2020 x86_64
>
> Boilerplate:  All unexpected mail to my mailbox is automatically deleted.
> I will only get to see the messages that are posted to the mailing list.
>
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