On Tue, Mar 10, 2009 at 01:21:55PM +0700, Steven Demetrius wrote:
> On Mon, 2009-03-09 at 21:14 +0800, Star Liu wrote:
> > When I boot my debian sid 5 minutes ago, I got this error message:
> > -----------------------------------------------------------------------------------------------------------
> > /dev/sda4: unexpected inconsistency; run fsck manually.(i.e., without
> > -a or -p options)
> > fsck died with exit status 4
> > failed (code 4)
> > An automatic file system check(fsck) of the root filesystem failed. A
> > manual fsck must be performed. The fsck should be performed in
> > maintance mode with the root filesystem mounted in read-only mode.
> > failed!
> > ---------------------------------------------------------------------------------------------------------------
> >
> > i have entered the maintance mode, but i don't know how to recover my
> > filesystem. anyone can help me? thank you. this is the first time i
> > encounter a serious problem with debian.
> >
>
> Sounds like you have a defective HD.
Just because fsck conked out? get real.
Of course, the problem on Debian is that "maintenance mode" (i.e.
single-user-mode) has already tried to mount all filesystems.
Instead, try this:
At grub's menu, edit the kernel command line so that you add:
init=/bin/sh
This way, the kernel will boot, the initrd scripts will run, but insead
of normal init running (with the init scripts), you'll end up with the /
fs mounte ro and no init scripts having been run. Its like booting a
LiveCD without being able to write anything. You'll be able to run any
apps in /bin and /sbin.
You'll get a sh prompt. Run the following (assuming that your root fs
is ext2 or ext3):
/sbin/e2fsck -C 0 -f -y /dev/sda4
This will run an fsck on /dev/sda4. -C 0 gives you the progress
indicator, -f causes it to run even if it looks clean, and -y answers
"yes" to all "fix?" questions.
If you want to also check the drive for bad blocks, add:
-c -c
to the option list. This will take a long time.
You may find that e2fsck has to be run a couple of time until no errors
are reported.
When you want to exit and try rebooting, since you've dillied with the
fs, I'd:
sync
halt
Ideally, halt would sync the disks, but the man page says that it can't
unless /proc is mounted.
When the system is halted, turn the power off, wait 15 seconds and
power on.
Alternatively, if you don't want to halt and power-cycle, but want to
immediatly try booting, do:
exec init
which will terminate your sh process and run the init process.
Good luck.
Doug.
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