Server Disk Problem

[Etzion Bar-Noy]

As I have said - if he could mount it, he can read the superblock.

Ez

On Tue, Jul 27, 2010 at 3:50 AM, Amos Shapira <amos.shapira at gmail.com>wrote:

> 2010/7/27 Etzion Bar-Noy <ezaton at tournament.org.il>
> >
> > Are you checking the correct device?
> > If fsck.ext3 can't find superblock, the system could not have mounted the
> device to begin with.
> > Please post the results of
> > lvm lvs
> > cat /etc/fstab (if available)
> > Thanks
> > Ez
>
> Here is a method using testdisk to find the backup superblocks:
> http://www.cgsecurity.org/wiki/Advanced_Find_ext2_ext3_Backup_SuperBlock
>
> (never tried this).
>
> --Amos
>
> >
> > 2010/7/26 Daniel Feiglin <dilogsys at inter.net.il>
> >>
> >> Hello folks!
> >>
> >> I am trying to assist in the following situation:
> >>
> >> The user has a 1u IBM "Pizza" server. It was configured as one partition
> >> (ext3) and loaded with Centos something-or-other, with the partition set
> >> up as a single LVM volume (yes, including the root directory).
> >>
> >> One fine day, after a reboot, it ran fsck which conked out after
> >> checking about 12% of the disk advising to run fsck manually. At that
> >> point, we logged in as root, and ran fsck -n /dev/whatever to see what's
> >> happening.
> >>
> >> The latter yielded the dreaded corrupt super block, try the next one
> >> (8193). That (as I kind of expected) didn't work either.
> >>
> >> >From being root I can "see" the various directories an even cd to them.
> >> I am aware  that it means little if their contents are corrupted.
> >>
> >> Question:
> >>
> >> 1. Are there any recovery tools for this kind of situation?
> >> 2. Is my only choice, to install another pre-partitioned hard disk, log
> >> in with (say) a "live" CD, mount the corrupt disk and try to manually
> >> copy my data directories?
> >>
> >> Regards,
> >>
> >>
> >> Daniel
> >>
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> >>
> >
> >
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> >
>
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