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Generating config for new RAID array

From: Kjetil Kjernsmo
Subject: Generating config for new RAID array
Date: Thu, 24 Aug 2017 22:42:31 +0200
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Dear all,

I'm trying to migrate a Debian Jessie system from a single disk to an md 
raid1. I have created the RAID and copied everything over to the array 
(single partition before and after), but I struggle to get the grub config 
generated with the new array.

I have mostly been following
But when it says "Now run grub-mkconfig. It should detect your array", 
that's not happening for me, as far as I can see. I've grepped through it 
for the UUID too...

Both because it looks a little scary and because it is a good idea to stick 
to the distro way of doing things, I'd like to do it the Debian way and 
generate the config rather than write it by hand. 

Allthough I don't see an menuentry generated for the new array, I see the 
domdadm getting onto the boot line, so at least the /etc/default/grub is 

Though it wasn't the way I wanted to do it, I then tried to hack the 
grub.cfg itself, but it didn't seem to help.

Finally, I tried adding 
in /etc/default/grub, since
address@hidden:/boot/grub# ls -l /dev/disk/by-uuid | grep md
lrwxrwxrwx 1 root root  9 Aug 23 14:47 30c01ed7-24cd-482e-84d2-785ae3acfd8c 
-> ../../md1

Now, I'm out of ideas, and I will be very grateful for any help.



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