Une petite 1/2 h de tranquillité.
boot-info-script était déjà installé, et il donne une tartine de renseignements, lesquels ont besoin d’un connaisseur pour les interpréter.
Je n’en place ici que le début, car je ne sais pas comment faire pour les transférer dans un fichier ad hoc :
Commande faite à partir de SDB
GRub qui pose problème = SDA
=============
Boot Info Script 0.77 [10 June 2018]
============================= Boot Info Summary: ===============================
=> Grub2 (v2.00) is installed in the MBR of /dev/sda and looks at sector
64452608 of the same hard drive for core.img. core.img is at this location
and looks for (,gpt1)/boot/grub. It also embeds following components:
modules
---------------------------------------------------------------------------
fshelp ext2 part_gpt biosdisk
---------------------------------------------------------------------------
=> Grub2 (v2.00) is installed in the MBR of /dev/sdb and looks at sector
64452608 of the same hard drive for core.img. core.img is at this location
and looks for (,gpt1)/boot/grub. It also embeds following components:
modules
---------------------------------------------------------------------------
fshelp ext2 part_gpt biosdisk
---------------------------------------------------------------------------
=> Grub2 (v2.00) is installed in the MBR of /dev/sdc and looks at sector
64452608 of the same hard drive for core.img. core.img is at this location
and looks for (,gpt1)/boot/grub. It also embeds following components:
modules
---------------------------------------------------------------------------
fshelp ext2 part_gpt biosdisk
---------------------------------------------------------------------------
sda1: __________________________________________________________________________
File system: ext4
Boot sector type: Grub2 (v1.99-2.00)
Boot sector info: Grub2 (v2.00) is installed in the boot sector of sda1
and looks at sector 36439840 of the same hard drive
for core.img. core.img is at this location and looks
for (,gpt1)/boot/grub. It also embeds following
components:
modules
-------------------------------------------------------
fshelp ext2 part_gpt biosdisk
-------------------------------------------------------
Operating System: Debian GNU/Linux 10 (buster)
Boot files: /boot/grub/grub.cfg /etc/fstab
/boot/grub/i386-pc/core.img
sda2: __________________________________________________________________________
File system: swap
Boot sector type: -
Boot sector info:
sda3: __________________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System:
Boot files:
sda4: __________________________________________________________________________
File system: BIOS Boot partition
Boot sector type: Grub2's core.img
Boot sector info:
sdb1: __________________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Debian GNU/Linux 10 (buster)
Boot files: /boot/grub/grub.cfg /etc/fstab
/boot/grub/i386-pc/core.img
sdb2: __________________________________________________________________________
File system: swap
Boot sector type: -
Boot sector info:
sdb3: __________________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System:
Boot files:
sdb4: __________________________________________________________________________
File system: BIOS Boot partition
Boot sector type: Grub2's core.img
Boot sector info:
sdc1: __________________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Debian GNU/Linux 10 (buster)
Boot files: /boot/grub/grub.cfg /etc/fstab
/boot/grub/i386-pc/core.img
sdc2: __________________________________________________________________________
File system: swap
Boot sector type: -
Boot sector info:
sdc3: __________________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System:
Boot files:
sdc4: __________________________________________________________________________
File system: BIOS Boot partition
Boot sector type: Grub2's core.img
Boot sector info:
sdc5: __________________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System:
Boot files:
============================ Drive/Partition Info: =============================
Drive: sda _____________________________________________________________________
Disque /dev/sda : 596,2 GiB, 640135028736 octets, 1250263728 secteurs
Modèle de disque : WDC WD6400AAVS-0
Unités : secteur de 1 × 512 = 512 octets
Taille de secteur (logique / physique) : 512 octets / 512 octets
taille d'E/S (minimale / optimale) : 512 octets / 512 octets
Partition Boot Start Sector End Sector # of Sectors Id System
/dev/sda1 1 1,250,263,727 1,250,263,727 ee GPT
GUID Partition Table detected.
Partition Attrs Start Sector End Sector # of Sectors System
/dev/sda1 2,048 48,828,415 48,826,368 Data partition (Windows/Linux)
/dev/sda2 48,828,416 64,452,607 15,624,192 Swap partition (Linux)
/dev/sda3 68,360,192 224,610,303 156,250,112 Data partition (Windows/Linux)
/dev/sda4 64,452,608 64,454,655 2,048 BIOS Boot partition
Attributes: R=Required, N=No Block IO, B=Legacy BIOS Bootable, +=More bits set
Drive: sdb _____________________________________________________________________
Disque /dev/sdb : 465,8 GiB, 500107862016 octets, 976773168 secteurs
Modèle de disque : ST500DM002-1BD14
Unités : secteur de 1 × 512 = 512 octets
Taille de secteur (logique / physique) : 512 octets / 4096 octets
taille d'E/S (minimale / optimale) : 4096 octets / 4096 octets
Partition Boot Start Sector End Sector # of Sectors Id System
/dev/sdb1 1 976,773,167 976,773,167 ee GPT
GUID Partition Table detected.
Partition Attrs Start Sector End Sector # of Sectors System
/dev/sdb1 2,048 48,828,415 48,826,368 Data partition (Windows/Linux)
/dev/sdb2 48,828,416 64,452,607 15,624,192 Swap partition (Linux)
/dev/sdb3 68,360,192 224,610,303 156,250,112 Data partition (Windows/Linux)
/dev/sdb4 64,452,608 64,454,655 2,048 BIOS Boot partition
Attributes: R=Required, N=No Block IO, B=Legacy BIOS Bootable, +=More bits set
Drive: sdc _____________________________________________________________________
Disque /dev/sdc : 465,8 GiB, 500107862016 octets, 976773168 secteurs
Modèle de disque : ST500DM002-1BD14
Unités : secteur de 1 × 512 = 512 octets
Taille de secteur (logique / physique) : 512 octets / 4096 octets
taille d'E/S (minimale / optimale) : 4096 octets / 4096 octets
Partition Boot Start Sector End Sector # of Sectors Id System
/dev/sdc1 1 976,773,167 976,773,167 ee GPT
GUID Partition Table detected.
Partition Attrs Start Sector End Sector # of Sectors System
/dev/sdc1 2,048 48,828,415 48,826,368 Data partition (Windows/Linux)
/dev/sdc2 48,828,416 64,452,607 15,624,192 Swap partition (Linux)
/dev/sdc3 68,360,192 224,610,303 156,250,112 Data partition (Windows/Linux)
/dev/sdc4 64,452,608 64,454,655 2,048 BIOS Boot partition
/dev/sdc5 298,321,920 976,773,119 678,451,200 Data partition (Linux)
Attributes: R=Required, N=No Block IO, B=Legacy BIOS Bootable, +=More bits set
"blkid" output: ________________________________________________________________
===========================================================