Re: e2fsck error
Bart-Jan Vrielink wrote:
> On Thu, 2 Aug 2001, Gene Grimm wrote:
> > > A short while ago, my web server went offline and is now reporting a
> > > superblock error on /dev/hdc1 (/var) and suggests using e2fsck -b
> > > 8193 option. I do not know enough about the ext2 system to know
> > > what super block numbers to try. Can anyone suggest the correct
> > > numbers or how to find out? This is a personal web server plus I use
> > > this to test configurations.
> > >
> > To follow up, I have tried several numbers from 8193 incrementing by
> > 8192, and they all report something like invalid magic number in super
> > block.
> Please read the e2fsck manpage. The exact position of the backup
> superblock depends on the blocksize of your filesystem. You can find the
> blocksize by running dumpe2fs -h /dev/hdc1| grep "Block size"
dumpe2fs -h /dev/hdc1 reports:
Bad magic number in super-block while trying to open /dev/hdc1.
Couldn't find valid filesystem superblock.
Since I don't know much about the ext2 file system, I am afraid to use the
debugfs utility without specific guidence.