N'arivant pas à sélectionner le bon disque dans le BIOS, j'ai interverti les disques physiquement. Désormais le menu Grub s'affiche (version noir&blanc) mais j'ai tout de même un message d'erreur qui m'empéche de booter:
boot msg absent (si je ne trompe pas).
fdisk:
Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xdeecda53
Device Boot Start End Blocks Id System
/dev/sda1 1 13 102400 7 HPFS/NTFS
Partition 1 does not end on cylinder boundary.
/dev/sda2 13 5220 41819136 7 HPFS/NTFS
/dev/sda3 5220 55065 400382976 7 HPFS/NTFS
/dev/sda4 55065 60802 46081024 5 Extended
/dev/sda5 * 55065 55098 262144 83 Linux
/dev/sda6 55098 55355 2064384 82 Linux swap / Solaris
/dev/sda7 55355 60802 43751424 8e Linux LVM
Disk /dev/sdb: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x6332b352
Device Boot Start End Blocks Id System
/dev/sdb1 * 1 70609 567161856 7 HPFS/NTFS
/dev/sdb2 70609 121602 409597952 7 HPFS/NTFS
Disk /dev/dm-0: 3221 MB, 3221225472 bytes
255 heads, 63 sectors/track, 391 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/dm-0 doesn't contain a valid partition table
Disk /dev/dm-1: 3221 MB, 3221225472 bytes
255 heads, 63 sectors/track, 391 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/dm-1 doesn't contain a valid partition table
Disk /dev/dm-2: 26.9 GB, 26944208896 bytes
255 heads, 63 sectors/track, 3275 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/dm-2 doesn't contain a valid partition table
Disk /dev/dm-3: 4194 MB, 4194304000 bytes
255 heads, 63 sectors/track, 509 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/dm-3 doesn't contain a valid partition table
Disk /dev/dm-4: 13.7 GB, 13656653824 bytes
255 heads, 63 sectors/track, 1660 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/dm-4 doesn't contain a valid partition table
grub.conf (identique)
#boot=/dev/sdb
default=3
timeout=5
splashimage=(hd1,4)/grub/splash.xpm.gz
#hiddenmenu
title Fedora (2.6.34.6-54.fc13.x86_64)
root (hd1,4)
kernel /vmlinuz-2.6.34.6-54.fc13.x86_64 ro root=/dev/mapper/vg_pc-lv0 rd_LVM_LV=vg_pc/lv0 rd_NO_LUKS rd_NO_MD rd_NO_DM LANG=fr_FR.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=fr-latin9 rhgb quiet
initrd /initramfs-2.6.34.6-54.fc13.x86_64.img
title Fedora (2.6.33.6-147.2.4.fc13.x86_64)
root (hd1,4)
je pense qu'il faut réinstaller/modifier grub proprement non?