Voila les résultats que j’avais obtenus … un regard neuf n’est sûrement pas de trop :
ls -l /dev/disk/by-uuid/
total 0
lrwxrwxrwx 1 root root 11 oct. 15 16:45 44e32717-bc9c-48b7-92d3-dc997bbf6bb6 -> ../../md0p1
lrwxrwxrwx 1 root root 11 oct. 15 16:45 72fd1b58-f5a3-41f1-9422-05542d9360fd -> ../../md4p5
lrwxrwxrwx 1 root root 11 oct. 15 16:45 c65b0354-fcfb-4822-b731-095b47c9bf29 -> ../../md3p5
lrwxrwxrwx 1 root root 11 oct. 15 16:45 de6aa0ac-0b2d-4c28-b0ff-01e719c60e40 -> ../../md2p5
lrwxrwxrwx 1 root root 11 oct. 15 16:45 e2cfbd67-d821-468f-8449-fe2223c42afe -> ../../md1p1
cat /etc/fstab
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
# / was on /dev/md0p1 during installation
UUID=44e32717-bc9c-48b7-92d3-dc997bbf6bb6 / ext4 errors=remount-ro 0 1
# /home was on /dev/md4p5 during installation
UUID=72fd1b58-f5a3-41f1-9422-05542d9360fd /home ext4 defaults 0 2
# /partage was on /dev/md2p5 during installation
UUID=de6aa0ac-0b2d-4c28-b0ff-01e719c60e40 /partage ext4 defaults 0 2
# /var was on /dev/md3p5 during installation
UUID=c65b0354-fcfb-4822-b731-095b47c9bf29 /var ext4 defaults 0 2
# swap was on /dev/md1p1 during installation
UUID=e2cfbd67-d821-468f-8449-fe2223c42afe none swap sw 0 0
/dev/sr0 /media/cdrom0 udf,iso9660 user,noauto 0 0
Et pour la partie intéressante de grub.cfg
menuentry 'Debian GNU/Linux' --class debian --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-44e32717-bc9c-48b7-92d3-dc997bbf6bb6' {
load_video
insmod gzio
insmod part_msdos
insmod part_msdos
insmod part_msdos
insmod diskfilter
insmod mdraid1x
insmod ext2
set root='mduuid/edc080aa0a5920b1223598c23a926966,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint='mduuid/edc080aa0a5920b1223598c23a926966,msdos1' 44e32717-bc9c-48b7-92d3-dc997bbf6bb6
else
search --no-floppy --fs-uuid --set=root 44e32717-bc9c-48b7-92d3-dc997bbf6bb6
fi
echo 'Chargement de Linux 3.10-2-686-pae…'
linux /boot/vmlinuz-3.10-2-686-pae root=UUID=44e32717-bc9c-48b7-92d3-dc997bbf6bb6 ro quiet
echo 'Chargement du disque mémoire initial…'
initrd /boot/initrd.img-3.10-2-686-pae
Merci