Lennart Sorensen <lsorense@csclub.uwaterloo.ca> (2019-01-14):
> Hmm, I recall having it give a checklist in the past, but I could be
> remembering wrong.
>
> Certainly if I run dpkg-reconfigure grub-pc, it offers me a checklist
> of which devices to install grub on, so having both sda and sdb
> selected works fine.
If you go for a manual list, space-separated "/dev/sda /dev/sdb" works
just fine.
This is likely “grub-pc grub-pc/install_devices multiselect” in debconf
(but please double check!).
Checking grub2, this is very likely:
,---[ debian/grub-pc.templates.in ]---
| Template: grub-pc/install_devices
| Type: multiselect
| Choices-C: ${RAW_CHOICES}
| Choices: ${CHOICES}
| _Description: GRUB install devices:
| The grub-pc package is being upgraded. This menu allows you to select which
| devices you'd like grub-install to be automatically run for, if any.
| .
| Running grub-install automatically is recommended in most situations, to
| prevent the installed GRUB core image from getting out of sync with GRUB
| modules or grub.cfg.
| .
| If you're unsure which drive is designated as boot drive by your BIOS, it is
| often a good idea to install GRUB to all of them.
| .
| Note: it is possible to install GRUB to partition boot records as well, and
| some appropriate partitions are offered here. However, this forces GRUB to
| use the blocklist mechanism, which makes it less reliable, and therefore is
| not recommended.
`---
Cheers,
--
Cyril Brulebois (kibi@debian.org) <https://debamax.com/>
D-I release manager -- Release team member -- Freelance Consultant
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