RE: How can I recover my superblock?

[Scott Stone <SStone@example.com>]

well if you have an alternate superblock at 8192+1, you should have another
one at 16384+1, I believe... try "fsck -b 16385 /dev/hda10" ...

-----------------------------------------------------
Scott M. Stone <sstone@example.com>
Senior Technical Consultant - UNIX and Networking
Taos, the Sysadmin Company - Santa Clara, CA


-----Original Message-----
From: Glenn Evanish [mailto:glenn@example.com]
Sent: Tuesday, May 22, 2001 7:49 AM
To: tlug@example.com
Subject: How can I recover my superblock?


I should have known better, but I just tried to use Partition Magic 6 to
resize partitions on a hard disk that had Linux on it.  It froze in the
middle of a move and I had to switch off the power to kill it.  I was afraid
I'd lost
everything, but Windows and one installation of Linux booted.  My favorite
installation of Linux, though, dropped me into a shell on boot-up and
suggested I run e2fsck -b 8193 /dev/hda10.  I did, but it told me I had a
zero length partition.  I can still cd around the installation from the
shell and see that
everything's there, but I don't know how I can get it to boot through to a
regular log-in prompt.

How can I restore the superblock on a Linux partition?  Do an "upgrade"
installation into the partition and make a cosmetic change or two?  Will
that rewrite it?  Or use a rescue disk?

TIA,

Glenn Evanish


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