FAQ Search Today's Posts Mark Forums Read
» Video Reviews

» Linux Archive

Linux-archive is a website aiming to archive linux email lists and to make them easily accessible for linux users/developers.

» Sponsor

» Partners

» Sponsor

Go Back   Linux Archive > Redhat > EXT3 Users

LinkBack Thread Tools
Old 02-21-2010, 10:51 AM
Albert Sellarès
Default Invalid superblock after e2fsck

Hi all,

I'm trying to fix a 7.5Tb ext3 filesystem using e2fsck on a x86_64
machine with plenty of memory ram. The filesystem is corrupted, but I
can mount it.

Before starting the filesystem check, I did a LVM snapshot to be able to
start it again from the same point in case of error.

After 12 hours checking the filesystem, I got this error message:

Pass 1: Memory used: 268k/18014398508105072k (59k/210k), time:
Pass 1: I/O read: 253456MB, write: 23885MB, rate: 4.22MB/s
Restarting e2fsck from the beginning...
e2fsck: Superblock invalid, trying backup blocks...
e2fsck: Bad magic number in super-block while trying to
open /dev/storage/cabina_snapshot

Once I saw this message, my first thought was that e2fsck didn't manage
to fix the filesystem and it corrupted the superblock. To be sure I
dumped the entire block and compared it against the original superblock.
Doing that I realized that the entire superblock only contained zeros.

Any ideas of what can I do?

Thanks you very much.

Albert Sellarès GPG id: 0x13053FFE
http://www.wekk.net whats@jabber.org
Linux User: 324456
Ext3-users mailing list

Thread Tools

All times are GMT. The time now is 09:21 AM.

VBulletin, Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Content Relevant URLs by vBSEO ©2007, Crawlability, Inc.
Copyright ©2007 - 2008, www.linux-archive.org