Bug#1135137: Acknowledgement (upgrade-reports: Bookworm -> Trixie mdadm raid EFI not updated on both disks)

[Steve McIntyre]

On Tue, Apr 28, 2026 at 01:24:07PM +0200, Chris Hofstaedtler wrote:
>Control: reassign -1 grub-efi-amd64
>
>Not the maintainer of any of the relevant packages, but trying to 
>help this bug forward.
>
>On Tue, Apr 28, 2026 at 08:18:02AM +0000, Thorsten Behrens wrote:
>> I am unsure which package the issue is in. What determines, during upgrade, where to install Grub EFI? Is it grub?
>
>grub's postinst runs grub-install. grub-install determines the 
>install location. I -think- it just uses /boot/efi, but the grub 
>maintainers will know better.

Correct.

>> Is it mdadm? Is it the updater itself?
> 
>mdadm is not involved. There is no "updater" in Debian.

Correct.

It's a longstanding hole in grub-efi (sorry!), but there is nothing
special here yet to make a RAIDed ESP work. Thorsten: how did you set
things up, exactly?

-- 
Steve McIntyre, Cambridge, UK.                                steve at einval.com
  Getting a SCSI chain working is perfectly simple if you remember that there
  must be exactly three terminations: one on one end of the cable, one on the
  far end, and the goat, terminated over the SCSI chain with a silver-handled
  knife whilst burning *black* candles. --- Anthony DeBoer