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Re: Grub-install fails with grub-install: error: disk `md0' not found.

From: Mark Syms
Subject: Re: Grub-install fails with grub-install: error: disk `md0' not found.
Date: Sun, 01 Apr 2018 14:30:43 +0000

Indeed, I have no idea how it got lost, lvm2 disappeared as well so the
system then failed to reboot. Busy fixing that with a rescue disk at the
moment. All I can assume is they got somehow marked as auto-installed and
whatever auto installed them was removed and the cleanup purged them.


On Sun, 1 Apr 2018 at 14:39 Pascal Hambourg <address@hidden> wrote:

> Le 01/04/2018 à 14:37, Mark Syms a écrit :
> > Fixed if myself.
> >
> > Turns out that an earlier package run (some two weeks ago) had removed
> > mdadm and I hadn't spotted that. So when grub-install tried to
> > interrogate the raid it didn't have any user space tools to do so.
> It is one of the rare causes I found when searching the web for the
> error message, although it sounded quite unlikely. Why the hell would
> such an essential component as mdadm be uninstalled ? It could have
> broken your system boot more surely than GRUB itself. Assembly of 1.x
> arrays requires mdadm.

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