Re: tlug: fsck error on boot

[Neil Booth <NeilB@example.com>]

Have you tried remounting using the following options? It should get you
in in read-write mode.

mount -o remount -n -w  ....

Neil.

regan.nayve@example.com wrote:
> 
> greetings to all,
> 
> i run into a filesystem check error during my rh4.2 system boot.
> i can't boot the machine instead the system prompts me in a maintenace
> shell.then i did the fs check manually using e2fsck -f -b offset device
> since the usual fsck command didn't work.then i reboot the system
> again but got the same error(see error message below).
> 
> booting from fd was also a failure.during the boot process i run
> into a kernel panic error.
> (my boot fd was extracted using dd if=/boot/vmlinuz of=/dev/fd0 bs=8192)
>   VFS:Cannot open root device 08:02
>   kernel panic:VFS:Unable to mount root fs on 08:02
> 
> since the error points to the fstab file i checked it and found out
> it is corrupted,no swap file and wrong filesystems.i tried to correct
> this file but couldn't since i am in a maintenance shell(read-only
> filesystem).and one more thing i couldn't boot from my boot disk.
> 
> i would appreciate it very much if you could give me suggestions on how
> to solve this error.
> 
> thanks in advance.
> 
> Regan Nayve
> regan.nayve@example.com
> 
> ------
> error message:
> 
>   checking filesystems
>   WARNING:your /etc/fstab does not contain the fsck passno field,
>           I will knudge around things for you,but you should fix
>           your /etc/fstab file as soon as you can.
>   Parallelizing fsck version 1.10 (24-Apr-97)
>   checking_all filesystems
> 
>   [/sbin/fsck.ext2]fsck.ext2 -a /dev/fd0
>   end_request:I/O error,dev 02:00,sector 0
>   fsck,ext2:No such device or address while trying to open /dev/fd0
>   possible non-existent or swap device?
> 
>   ...An error occured during the filesystem check
>   ...Dropping you to a shell;the system will reboot
>   ...when you leave the shell.
>   Give root password for maintenace.
>   (or type Control-D for normal start up):
> 
> -----
> /etc/fstab: (device;mountpoint;filesystem;options;dump;fsckorder)
> 
> /dev/sda1         /           ignore 0 0 0
> /dev/fd0          /dev/fd0    ext2 defaults 0 0
> /dev/sda2         /home       ignore 0 0 0
> /dev/sda4         /home1      ignore 0 0 0
> /dev/sdb1         /home2      ignore 0 0 0
> /dev/sdb2         /home3      ignore 0 0 0
> linux:(pid266)    /net        ignore 0 0 0
> none              /proc       ignore 0 0 0
> /dev/sda3         none        ignore 0 0 0
> 
> -----
> -------------------------------------------------------------------
> Next Nomikai: 14 January 1999, 19:30 Tengu TokyoEkiMae 03-3275-3691
> *** it will will be Jan 14 (Thu), as Jan 15 (Fri) is a natl holiday
> Next Technical Meeting: 13 February, 12:30               Place: TBD
> -------------------------------------------------------------------
> more info: http://tlug.linux.or.jp                     Sponsor: PHT
-------------------------------------------------------------------
Next Nomikai: 14 January 1999, 19:30 Tengu TokyoEkiMae 03-3275-3691
*** it will will be Jan 14 (Thu), as Jan 15 (Fri) is a natl holiday
Next Technical Meeting: 13 February, 12:30               Place: TBD
-------------------------------------------------------------------
more info: http://tlug.linux.or.jp                     Sponsor: PHT