Malheureusement rien de nouveau mais plus d'infos :
J'ai fait un fsck.ext3 -f /dev/vgb/backup et j'ai toujours les erreurs suivantes :
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Pour le fdisk -l :
Disk /dev/sda: 82.3 GB, 82348277760 bytes
255 heads, 63 sectors/track, 10011 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x11521151
Device Boot Start End Blocks Id System
/dev/sda1 * 1 14 112423+ 83 Linux
/dev/sda2 15 10011 80300902+ 8e Linux LVM
Disk /dev/sdb: 60.0 GB, 60022480896 bytes
255 heads, 63 sectors/track, 7297 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x0f800000
Device Boot Start End Blocks Id System
/dev/sdb1 * 1 14 112423+ 83 Linux
/dev/sdb2 15 7297 58500697+ 8e Linux LVM
Pour le vgdisplay -v :
--- Volume group ---
VG Name vgb
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 8
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 4
Open LV 0
Max PV 0
Cur PV 1
Act PV 1
VG Size 55.79 GB
PE Size 4.00 MB
Total PE 14282
Alloc PE / Size 14282 / 55.79 GB
Free PE / Size 0 / 0
VG UUID Q9Ncxe-s3l8-qTt9-n7Xs-mnxw-Y81V-ruyUB9
--- Logical volume ---
LV Name /dev/vgb/root
VG Name vgb
LV UUID 18eQp7-VZet-3Qu2-fGZZ-ssQV-O2yO-5f1tEq
LV Write Access read/write
LV Status NOT available
LV Size 10.00 GB
Current LE 2560
Segments 2
Allocation inherit
Read ahead sectors auto
--- Logical volume ---
LV Name /dev/vgb/swap
VG Name vgb
LV UUID K4Rgd4-XAaB-ehw2-C0Mg-xAtP-IbSB-htQmax
LV Write Access read/write
LV Status NOT available
LV Size 1.50 GB
Current LE 384
Segments 1
Allocation inherit
Read ahead sectors auto
--- Logical volume ---
LV Name /dev/vgb/var
VG Name vgb
LV UUID N2d507-CczJ-gcQT-onyU-Kpvy-gqk2-a2fXqh
LV Write Access read/write
LV Status NOT available
LV Size 10.00 GB
Current LE 2560
Segments 1
Allocation inherit
Read ahead sectors auto
--- Logical volume ---
LV Name /dev/vgb/backup
VG Name vgb
LV UUID dx2hyd-r1KP-pcuc-YPLg-eg8f-sBvd-BMWP7D
LV Write Access read/write
LV Status NOT available
LV Size 34.29 GB
Current LE 8778
Segments 1
Allocation inherit
Read ahead sectors auto
--- Physical volumes ---
PV Name /dev/sdb2
PV UUID s9i0LF-60At-rw8i-eP4Y-1BA2-qd6q-tETxZY
PV Status allocatable
Total PE / Free PE 14282 / 0
--- Volume group ---
VG Name vga
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 12
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 0
Max PV 0
Cur PV 1
Act PV 1
VG Size 76.58 GB
PE Size 4.00 MB
Total PE 19604
Alloc PE / Size 19604 / 76.58 GB
Free PE / Size 0 / 0
VG UUID 1YoHEj-1IBx-Lo0K-gHSu-61Pc-xpIR-WSKgJv
--- Logical volume ---
LV Name /dev/vga/home
VG Name vga
LV UUID ViP4vw-AP97-Vi3e-HfDZ-IdhP-mL2P-zbp2zM
LV Write Access read/write
LV Status NOT available
LV Size 20.00 GB
Current LE 5120
Segments 1
Allocation inherit
Read ahead sectors auto
--- Logical volume ---
LV Name /dev/vga/data
VG Name vga
LV UUID Eywq2R-fTQr-TE3m-iyQE-uCt1-TtCD-OVnVta
LV Write Access read/write
LV Status NOT available
LV Size 56.58 GB
Current LE 14484
Segments 2
Allocation inherit
Read ahead sectors auto
--- Physical volumes ---
PV Name /dev/sda2
PV UUID VOfkv2-zYbj-xGB7-zEVN-wU2n-9I67-nfHngw
PV Status allocatable
Total PE / Free PE 19604 / 0
Je ne vois pas comment je peux contourner le problème, c'est vraiment balot !
Merci beaucoup pour votre aide !