Re: Debian bookwork / grub2 / LVM / RAID / dm-integrity fails to boot
Hello,
On Tue, May 21, 2024 at 08:41:58PM +0200, Franco Martelli wrote:
> I can only recommend you to read carefully the Wiki:
> https://raid.wiki.kernel.org/index.php/Dm-integrity
I did, and it looks it does not seem to document anything pertaining
to my issue:
1) I don't use integritysetup (from LUKS), but LVM RAID PVs -- I don't use
LUKS encryption anyway on that system
2) the issue is not the kernel not supporting it, because when the
system is up, it works (I have done tests to destroy part of the
underlying devices, they get detected and fixed correctly)
3) the issue is not with the initrd -- I added the dm-integrity module
and rebuilt the initrd (and actually the bug happens before grub2 loads
the kernel & init) -- or at least "not yet"! maybe this will fail
later :)
4) actually the issue is just grub2, be it when the system is up
(it complains about the special subvolumes) or at boot time
Having /boot on a LVM non enabled dm-integrity logical volume does not
work either, as soon as there is ANY LVM dm-integrity enabled logical
volume anywhere (even not linked to booting), grub2 complains (at boot
time or at update-grub) about the rimage LV.
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