But I can't seem to recover from the superblocks. If your raid isn't being detected, perhaps it's an issue with the other partitions/devices in the raid. I dont quite understand how extended partitioning works but I don't think its complete for sdb drive. With this tutorial (very good indeed) I managed to get the folder lost+found really full of my files but it starts with # and I can not do anytinh g with navigate here
Related 2SSD linux aligment0Allignment of ext3 partition on LVM RAID volume group1mdadm raid1, [1/2] disks failed, safe to reboot?4Unable to resize ec2 ebs root volume1Can't access to a iSCSI volume0Can I Thanks. 13 evidex on September 2, 2010 said: Off the top of my head, no, not really. anyway, please help. e2fsck: unable to set superblock flags on /dev/sda1 [email protected]:~$ 85 Mark L. http://www.linuxquestions.org/questions/linux-server-73/server-booting-issues-ext3-fs-unable-to-read-superblock-'etc'-826691/
on January 5, 2012 said: Thanks for posting this how-to. How can I Recover a bad superblock from a corrupted ext3 partition to get back my data? Thx again 115 roger burney on March 21, 2013 said: A friend wanted to erase all the data on her disk.
I could even edit /etc/fstab and /boot/grub/grub.conf because I tried different options to make it work but no luck so far. But this takes even more time! Recovery flag not set in backup superblock, so running journal anyway. /dev/sda1: recovering journal Superblock needs_recovery flag is clear, but journal has data. How To Recover Superblock In Linux At first time some is rescued ..
This is exactly what I needed instead of all the opinion with no solution. Unable To Set Superblock Flags Are you new to LinuxQuestions.org? Join Date Sep 2010 Posts 4 [SOLVED] EXT3-fs: unable to read superblock Hi, I am unable to boot my server and it is causing "Kernel panic - not syncing: Attempted to http://www.centos.org/forums/viewtopic.php?t=16335 It also says that the volume has the same errors and fixes them again?
There are four partitions - 2 are RAID components, one ‘unknown' and the last one says ‘3TB'. The Superblock Could Not Be Read Or Does Not Describe A Correct Ext2 you really saved me, was about to reinstall it entirely and reinstalling all the applications would have been a nightmare.. 11 evidex on July 16, 2010 said: I can't count how Adv Reply September 19th, 2010 #8 k33bz View Profile View Forum Posts Private Message May the Ubuntu Be With You! sudo fsck.ext4 -v /dev/xxx If your superblock is corrupt, the output will look like this fsck /dev/sda5 fsck 1.41.4 (27-Jan-2009) e2fsck 1.41.4 (27-Jan-2009) fsck.ext4: Group descriptors look bad...
Run sudo mke2fs -n /dev/xxx which will give you a list of alternate superblocks to use, down at the very bottom. I want to reformat the partition and load the files back onto in hopes that I can decrypt and see them. E2fsck Bad Magic Number In Superblock This how to worked just fine for me and saved me from a lot of trouble. 95 Tim on February 22, 2012 said: Hi I just reinstalled ubuntu 10.04LTS to a Bad Magic Number In Superblock Resize2fs Start ‘testdisk' after selecting to a logging option look in the media list and notice that your HD is NOT there.
I ran the rescue on the boot CD, was able to mount the boot partition, but unable to mount the raid root partition. check over here Please visit this page to clear all LQ-related cookies. Reply Link nixCraft December 28, 2009, 11:33 [email protected] maxYou can.. I've not been able to find anything difinative on it in ext4. Dumpe2fs Bad Magic Number In Superblock While Trying To Open
saved me so i can a least backup and rebuild raid. I am really frustrated but feel that I have gotten very close!!!! 61 evidex on August 17, 2011 said: Was this drive part of a RAID in your MyBook? I'm still somewhat new to linux so to play with it and to help me learn more about it I use Kubuntu on an external hard drive connected via USB. his comment is here It's free: ©2000-2016 nixCraft.
Abbrechen? Bad Magic Number In Superblock While Trying To Open /dev/sda2 You should see your SATA HD in the list now, but it might not be listed as the same device that you are used to. Precompiled Redhat NTFS Modules Linuxplanet Tutorials If Linux doesn't have the solution, you have the wrong problem. ...
Mounting root filesystem. Now when I boot the new T110 server, it displays the following error messages: Creating root device. My linux knowledge is quite limited to desktop use but from what I can understand it seems like the partition table or some of the config files(like fstab or initrd) are Superblock Has An Invalid Journal some useful link i given HTML Code: http://www.mjmwired.net/kernel/Documentation 09-30-2010 #5 devils casper View Profile View Forum Posts Private Message View Articles Super Moderator Join Date Jun 2006 Location Chandigarh, India Posts
Not a member yet? If you really want to, there's a donate button at the bottom of the page. However, the output of fsck.ext4 was different: [email protected]:~$ sudo fsck.ext4 -v /dev/sdc1 e2fsck 1.41.11 (14-Mar-2010) fsck.ext4: Attempt to read block from filesystem resulted in short read while trying to open /dev/sdc1 http://netfiscal.com/bad-magic/ext2fs-unable-to-read-superblock.html [email protected]:/bin# e2fsck -b 214990848 /dev/sdc e2fsck 1.41.14 (22-Dec-2010) e2fsck: Invalid argument while trying to open /dev/sdc The superblock could not be read or does not describe a correct ext2 filesystem.
Then I think I should be able to try another superblock backup without the time consuming reboot to a ‘I/O read error'. Related Filed under: Operating Systems, Ubuntu |145Comments Tags: Ext4, Ubuntu 145 Responses to "HOWTO: Repair a broken Ext4 Superblock inUbuntu" Feed for this Entry 1 Kevin on May 9, 2010 said: i hope it s going to work but anyway your blog is exellent!!so thanks even it won t work!! 71 Thomas Dillinger on October 8, 2011 said: You really help me My advice would be to backup the data on your raid, rebuild it, and copy back your data.
Try that and see if it helps. I do not know why it is not working with T110 server. Reply With Quote 09-24-2002,07:15 PM #4 mdwatts View Profile View Forum Posts Grand Master Join Date Dec 1999 Location Toronto Posts 39,320 Has the HD device assignment changed since you added Browse other questions tagged linux filesystems ubuntu-14.10 or ask your own question.
For a few years now I have kept my /home directory on a seperate partition and am used to being able to remount that partition without formatting - thus preserving data. I need help please. The default configuration left me with the exact same situation. –Phillip Scott Givens Feb 19 at 2:08 add a comment| Your Answer draft saved draft discarded Sign up or log In addition, I don't understand how is it possible that I managed to browse the / partition if its superblock was broken.thanks in advance for any answer Reply Link elguil June