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Re: grub.cfg for RAID devices

From: Pascal Hambourg
Subject: Re: grub.cfg for RAID devices
Date: Tue, 14 Sep 2021 21:39:04 +0200
User-agent: Mozilla/5.0 (X11; Linux i686; rv:78.0) Gecko/20100101 Thunderbird/78.14.0

Le 14/09/2021 à 12:39, Stéphane Delaunay via Support requests for the GRand Unified Bootloader a écrit :

The problem is that I haven't been able to boot my system, yet. I'm currently 
using this grub.cfg on flash:

It can see all drive partitions, but does not find the RAID devices.

This grub.cfg does not seem to insmod any RAID drivers.

Even if I manually enter "insmod mdraid1x" and go back to "normal", I can't automatically boot with the default function.

Is there a /grub/grub.cfg file in the boot RAID array ?
If yes, what happens if you configfile it by hand ?

It is also unable to read the boot partitions by themselves for an "error: unknown filesystem."

What do you mean exactly by "read by themselves" ?

If I try to manually boot via "linux (md/0)/vmlinuz..." and "initrd 
(md/0)/initrd.img...", I can load the kernel and unlock my root drive, but couldn't start the system yet 
and land in a BusyBox (although, I assume this is because I may have made an error with the "root=" 

You must pass root=/dev/mapper/rootvgname-rootlvname
(double any "-" in rootvgname or rootlvname)

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