[ale] missing superblock after upgrade

[Michael D. Hirsch]

On Friday 24 September 2004 09:11 am, Dow Hurst wrote:
> Now that is weird and reminds me of my problem with the IDE drive.  I
> think they are multiples of 4096 or 8192.  The ext2 or ext3 man pages
> ought to tell the distance apart.

Hmm.  You're right.  The e2fsck man page gives some suggestions for superblock 
locations.  I'll poke around some more, tomorrow.

Thanks,

Michael

> Michael D. Hirsch wrote:
> >I just upgraded my home computer to Mandrake 10.1.  It appeared to go
> > well, but upon reboot it was unable to mount my /usr/local partition
> > (/dev/hdb3). I can't imagine how that got messed up as I wouldn't expect
> > the upgrade to even touch that partition, much less write to it.
> >
> >Anyway, fsck complains that it can't find a superblock for it (it is
> > supposed to be ext3) and that I should try another block.
> >
> >Is there any way to figure out where the superblocks are?  The error
> > message suggested trying 8192, or some such, but that didn't work.  Are
> > there some common alternate superblocks?
> >
> >Thanks,
> >
> >Michael
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