<div dir="ltr">As I have said - if he could mount it, he can read the superblock.<div><br></div><div>Ez<br><br><div class="gmail_quote">On Tue, Jul 27, 2010 at 3:50 AM, Amos Shapira <span dir="ltr"><<a href="mailto:amos.shapira@gmail.com">amos.shapira@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">2010/7/27 Etzion Bar-Noy <<a href="mailto:ezaton@tournament.org.il">ezaton@tournament.org.il</a>><br>
<div class="im">><br>
> Are you checking the correct device?<br>
> If fsck.ext3 can't find superblock, the system could not have mounted the device to begin with.<br>
> Please post the results of<br>
> lvm lvs<br>
> cat /etc/fstab (if available)<br>
> Thanks<br>
> Ez<br>
<br>
</div>Here is a method using testdisk to find the backup superblocks:<br>
<a href="http://www.cgsecurity.org/wiki/Advanced_Find_ext2_ext3_Backup_SuperBlock" target="_blank">http://www.cgsecurity.org/wiki/Advanced_Find_ext2_ext3_Backup_SuperBlock</a><br>
<br>
(never tried this).<br>
<font color="#888888"><br>
--Amos<br>
</font><div><div></div><div class="h5"><br>
><br>
> 2010/7/26 Daniel Feiglin <<a href="mailto:dilogsys@inter.net.il">dilogsys@inter.net.il</a>><br>
>><br>
>> Hello folks!<br>
>><br>
>> I am trying to assist in the following situation:<br>
>><br>
>> The user has a 1u IBM "Pizza" server. It was configured as one partition<br>
>> (ext3) and loaded with Centos something-or-other, with the partition set<br>
>> up as a single LVM volume (yes, including the root directory).<br>
>><br>
>> One fine day, after a reboot, it ran fsck which conked out after<br>
>> checking about 12% of the disk advising to run fsck manually. At that<br>
>> point, we logged in as root, and ran fsck -n /dev/whatever to see what's<br>
>> happening.<br>
>><br>
>> The latter yielded the dreaded corrupt super block, try the next one<br>
>> (8193). That (as I kind of expected) didn't work either.<br>
>><br>
>> >From being root I can "see" the various directories an even cd to them.<br>
>> I am aware that it means little if their contents are corrupted.<br>
>><br>
>> Question:<br>
>><br>
>> 1. Are there any recovery tools for this kind of situation?<br>
>> 2. Is my only choice, to install another pre-partitioned hard disk, log<br>
>> in with (say) a "live" CD, mount the corrupt disk and try to manually<br>
>> copy my data directories?<br>
>><br>
>> Regards,<br>
>><br>
>><br>
>> Daniel<br>
>><br>
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>><br>
><br>
><br>
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</div></div></blockquote></div><br></div></div>