problem booting Post: 302275150

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Top Forums UNIX for Dummies Questions & Answers problem booting Post 302275150 by siavoush on Friday 9th of January 2009 11:36:14 AM

01-09-2009

Registered User

problem booting

Dear List,

While I was adding second hard disk to my system, I changed the /etc/fstab file by adding the following line:

/mnt/sdb1 /dev/sdb1 ext3 default 2 1

Now system does not boot and gives the following error:

Checking filesystems
/: Clean, 309260/18495840 files, 1064776/18486790 blocks
fsck.ext3: Is a directory while trying to open /mnt/sdb1
/mnt/sdb1:
The superblock could not be read or does not describe a correct ext2 filesystem. If the device is available and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate superblock:
e2fsck -b 8198 <device>
***An error occurred during the filesystem check.
***Dropping you to a shll; the system will reboot
***when you leave the shell.
Give root password for maintenance (or type Control-D to continue):

I was wondering how I can fix this problem. It looks like that I can not change the content of the fstab file because when I give the password and go to the command prompt, I am not able to edit the file or do any changes because it is read-only.

Regards,
Siavoush

siavoush

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LEARN ABOUT BSD

quotaoff

QUOTAON(8)						      System Manager's Manual							QUOTAON(8)

NAME

       quotaon, quotaoff - turn filesystem quotas on and off

SYNOPSIS

       quotaon [-v] filesystem ...
       quotaon [-v] -a
       quotaoff [-v] filesystem ...
       quotaoff [-v] -a

DESCRIPTION

       Quotaon	announces  to the system that disk quotas should be enabled on one or more filesystems.  Quotaoff announces to the system that the
       specified filesystems should have any disk quotas diskquotas turned off.  The filesystems specified must have entries in /etc/fstab and	be
       mounted.   Quotaon  expects  each  filesystem  to  have a quota file named quotas located at the root of the associated file system.  These
       defaults may be overridden in /etc/fstab.

       Available options:

       -a	      If the -a flag is supplied in place of any filesystem names, quotaon/quotaoff will enable/disable all the filesystems  indi-
		      cated in /etc/fstab to be read-write with disk quotas.

       -v	      Causes quotaon and quotaoff to print a message for each filesystem where quotas are turned on or off.

FILES

       quotas	      at the filesystem root with user quotas

       /etc/fstab     filesystem table

SEE ALSO

       quota(1), setquota(2), fstab(5), edquota(8), quotacheck(8), repquota(8)

HISTORY

       The quotaon command appeared in 4.2BSD.

4.2 Berkeley Distribution					 January 21, 1996							QUOTAON(8)