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loopx
Advocate
Joined: 01 Apr 2005
Posts: 2787
Location: Belgium / Liège
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 Posted: Tue Jan 02, 2007 11:57 pm Post subject: [HDD] perdu le dur de la gentoo |
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Bonsoir,
sun une install, j'ai le disque de Linux (hdd) qui à "sauté", donc en gros il ne boot plus.
J'ai regardé avec le livecd, impossible de monter la partition :
/ => hdd1 (c'est aussi la partition qui boot)
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livecd ~ # mount /dev/hdd1 /mnt/gentoo/
mount: special device /dev/hdd1 does not exist
livecd ~ # dmesg | grep hdd
ide1: BM-DMA at 0xff08-0xff0f, BIOS settings: hdc:pio, hdd:DMA
hdd: Maxtor 6Y080L0, ATA DISK drive
hdd: max request size: 128KiB
hdd: Host Protected Area detected.
hdd: Host Protected Area disabled.
hdd: 160086528 sectors (81964 MB) w/2048KiB Cache, CHS=65535/16/63, UDMA(133)
hdd: cache flushes supported
hdd: unknown partition table
cfdisk /dev/hdd =>
FATAL ERROR: Bad primary partition 0: Partition begins after end-of-disk
Press any key to exit cfdisk
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avec fdisk:
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The number of cylinders for this disk is set to 158816.
There is nothing wrong with that, but this is larger than 1024,
and could in certain setups cause problems with:
1) software that runs at boot time (e.g., old versions of LILO)
2) booting and partitioning software from other OSs
(e.g., DOS FDISK, OS/2 FDISK)
Command (m for help): p
Disk /dev/hdd: 81.9 GB, 81964302336 bytes
16 heads, 63 sectors/track, 158816 cylinders
Units = cylinders of 1008 * 512 = 516096 bytes
This doesn't look like a partition table
Probably you selected the wrong device.
Device Boot Start End Blocks Id System
/dev/hdd1 ? 1666499 3621231 985184692+ 5b Unknown
Partition 1 does not end on cylinder boundary.
/dev/hdd2 ? 540568 1079773 271759162+ 50 OnTrack DM
Partition 2 does not end on cylinder boundary.
/dev/hdd3 ? 540052 2710308 1093808825 68 Unknown
Partition 3 does not end on cylinder boundary.
/dev/hdd4 ? 2862779 2862832 26721 65 Novell Netware 386
Partition 4 does not end on cylinder boundary.
Partition table entries are not in disk order
Command (m for help): v
Partition 1 does not end on cylinder boundary.
Partition 2 does not end on cylinder boundary.
Partition 2: head 115 greater than maximum 16
Partition 3 does not end on cylinder boundary.
Partition 3: head 102 greater than maximum 16
Warning: partition 1 overlaps partition 3.
Partition 4 does not end on cylinder boundary.
Partition 4: head 115 greater than maximum 16
Warning: partition 1 overlaps partition 4.
Total allocated sectors -645621020 greater than the maximum 160086528
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Alors la bête question: y aurait'il un remède miracle ???
Ah, une dernière, on sais jamais:
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livecd ~ # cat /proc/partitions
major minor #blocks name
7 0 44252 loop0
22 64 80043264 hdd
8 0 245117376 sda
8 1 50821596 sda1
8 2 1 sda2
8 5 112262188 sda5
8 6 82027858 sda6
livecd ~ # hdparm /dev/hdd
/dev/hdd:
multcount = 16 (on)
IO_support = 0 (default 16-bit)
unmaskirq = 0 (off)
using_dma = 1 (on)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 256 (on)
geometry = 65535/16/63, sectors = 160086528, start = 0
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Merci d'avance et bonne année ...
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Clark
n00b
Joined: 26 Oct 2006
Posts: 51
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| Posted: Wed Jan 03, 2007 10:01 am Post subject: |
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| Essaye /sbin/fsck ou un truc du même tonneau pour essayer de réparer ton système de fichier. |
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yoyo
Bodhisattva
Joined: 04 Mar 2003
Posts: 4273
Location: Lyon - France
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| Posted: Wed Jan 03, 2007 10:04 am Post subject: |
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Arf, ça m'a tout l'air d'un mbr qui a sauté ça ... 
Si tu avais fais un fdisk -l /dev/hdd et enregistré la sortie quelque part je crois que ça aurait été possible de le restaurer mais sans je ne sais pas trop comment faire.
Pour les autres (dont moi  ), je ne saurais que trop vous conseiller d'aller faire un tour sur le site de Bellamy (dont ma signature est extraite) qui, même s'il est du côté obscure du pc, propose des explications, des solutions et des applications (la plupart sous DOS) très très utiles, notamment :
Outils (très) utiles : FH_Disk : Sauvegarde les MBR et les secteurs de boot des disques
Killpart : Efface le MBR (efface toutes les partitions d'un disque, quel que soit leur type). Il permet également de sauvegarder et de restaurer le MBR
Enjoy !
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La connaissance s'accroît quand on la partage.
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Enlight
Advocate
Joined: 28 Oct 2004
Posts: 3519
Location: Alsace (France)
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| Posted: Wed Jan 03, 2007 10:10 am Post subject: |
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| pour ressuciter les mbr y'a testdisk. |
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