Voici ce que j ai reussit a faire sur un livecd
[centoslive@livecd ~]$ fsck /dev/sda1
fsck from util-linux-ng 2.17.2
e2fsck 1.41.12 (17-May-2010)
fsck.ext2: Permission denied while trying to open /dev/sda1
You must have r/w access to the filesystem or be root
[centoslive@livecd ~]$ su
[root@livecd centoslive]# fsck /dev/sda1
fsck from util-linux-ng 2.17.2
e2fsck 1.41.12 (17-May-2010)
/dev/sda1: recovering journal
/dev/sda1: clean, 427/128016 files, 217861/512000 blocks
[root@livecd centoslive]# smartctl -a /dev/sda1
smartctl 5.43 2012-06-30 r3573 [x86_64-linux-2.6.32-358.el6.x86_64] (local build)
Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net
Smartctl open device: /dev/sda1 failed: INQUIRY failed
[root@livecd centoslive]# ls /dev
autofs live ram13 tty0 tty39 ttyS2
block log ram14 tty1 tty4 ttyS3
bsg loop0 ram15 tty10 tty40 uinput
bus loop1 ram2 tty11 tty41 urandom
cdrom loop2 ram3 tty12 tty42 usbmon0
cdrw loop3 ram4 tty13 tty43 usbmon1
char loop4 ram5 tty14 tty44 usbmon2
console loop5 ram6 tty15 tty45 usbmon3
core loop6 ram7 tty16 tty46 usbmon4
cpu loop7 ram8 tty17 tty47 v4l
cpu_dma_latency lp0 ram9 tty18 tty48 vcs
crash lp1 random tty19 tty49 vcs1
disk lp2 raw tty2 tty5 vcs2
dm-0 lp3 rfkill tty20 tty50 vcs3
dm-1 MAKEDEV root tty21 tty51 vcs4
dm-2 mapper rtc tty22 tty52 vcs5
dm-3 mcelog rtc0 tty23 tty53 vcs6
dm-4 mem scd0 tty24 tty54 vcsa
dri net sda tty25 tty55 vcsa1
dvd network_latency sda1 tty26 tty56 vcsa2
dvdrw network_throughput sda2 tty27 tty57 vcsa3
fb null sg0 tty28 tty58 vcsa4
fb0 nvram sg1 tty29 tty59 vcsa5
fd oldmem shm tty3 tty6 vcsa6
fedora port snapshot tty30 tty60 vga_arbiter
full ppp snd tty31 tty61 video0
fuse ptmx sr0 tty32 tty62 watchdog
hidraw0 pts stderr tty33 tty63 zero
hpet ram0 stdin tty34 tty7
hugepages ram1 stdout tty35 tty8
hvc0 ram10 systty tty36 tty9
input ram11 tgt tty37 ttyS0
kmsg ram12 tty tty38 ttyS1
[root@livecd centoslive]# fsck /dev/sda
fsck from util-linux-ng 2.17.2
e2fsck 1.41.12 (17-May-2010)
/dev/sda is in use.
e2fsck: Cannot continue, aborting.
[root@livecd centoslive]# fsck /dev/sda2
fsck from util-linux-ng 2.17.2
fsck: fsck.LVM2_member: not found
fsck: Error 2 while executing fsck.LVM2_member for /dev/sda2