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Ext4-fs Md2 Unable To Read Superblock


When I saw this I simply changed my fstab so that /home is mounted to /dev/sdb1, and everything is back to normal as far as I can tell, except that I'm Adv Reply November 17th, 2009 #7 santhony View Profile View Forum Posts Private Message Gee! Whatever you misconfigured, undo that. –womble♦ Sep 30 '15 at 8:41 I just installed Ubuntu 15.10 server on an ESXI host. I followed until "sudo fsck.ext4 -v /dev/xxx," which asked for fixes. his comment is here

mdadm --assemble --scan Assuming that works, save your config (assuming Debian derivative) with (and this will overwrite your config so we make a backup first): mv /etc/mdadm/mdadm.conf /etc/mdadm/mdadm.conf.old /usr/share/mdadm/mkconf > /etc/mdadm/mdadm.conf Not the answer you're looking for? I'm keeping this post updated because I'm still hoping that somebody who understands something about this stuff is going to come along and prevent me from doing something stupid and erasing I think the difference is between me and the people whose success I'm trying to replicate is that they were using arrays made up of formatted partitions, whereas I was using this contact form

Bad Magic Number In Superblock While Opening Filesystem

I could really use some help here! Here is a hint to those that experience this problem, if the HD with the I/O read error is a SATA HD, it is possible to unplug the data (smaller) connector Code: sudo dd if=/dev/zero of=/dev/sdb I did this with both drives. When using raid1, you CAN actually mount it without the raid component.

trying backup blocks... How to programmatically select an option inside a variable using jQuery Word for fake religious people Full disk problem on Ubuntu 16.04 (Xenial Xerus) Do progress reports/logging information belong on stderr Yeah, I was following the instructions online how to change the hostname, and running rc.sysinit was part of the prescription. How To Recover Superblock In Linux In fact, almost all problems I can't fix myself, UF has found a cure🙂 14 MadJestyr on September 6, 2010 said: Thanks! 15 2ma on September 9, 2010 said: hey, I

EDIT: I found a thread which is not about the problem I'm having, but which does describe a technique that I might be able to use to recover my data. any guidance would be much appreciated.Thanks,Dave Top DaveJL Posts: 18 Joined: 2010/03/09 01:53:08 Location: Evanston, IL Contact: Contact DaveJL Website Re: Hanging on boot up Quote Postby DaveJL » 2010/03/09 05:51:28 My array is composed of /dev/sdb and /dev/sdc. I had tried fsck at one point, but I don't remember why it didn't work.

The RAID1 is "mirrored" although I set it as not backed up when I installed it on my home server - so it is a mirror with only one member. The Superblock Could Not Be Read Or Does Not Describe A Correct Ext2 So by creating a partition table, you overwritten the md metadata. Also, seems like mdadm is running just fine: $ ps ax | grep mdadm 1945 ? How do publish end remote events work In 4/4 time can I insert a half sized bar in the middle of the piece?

E2fsck: Unable To Set Superblock Flags On

I've also ran a testdisk deep search if anyone can decypher the log. How do i solve quadratic equations when the coefficients are complex and real? Bad Magic Number In Superblock While Opening Filesystem I wish they were untouched, as I could have used them to recover from. –Regan Oct 25 '13 at 12:08 2 Where are your backups? –Michael Hampton♦ Oct 27 '13 Bad Magic Number In Superblock Resize2fs If it is successful, it should output something about no errors.

This article is actually the biggest draw to the site at the moment🙂 5 Fabricio on July 5, 2010 said: Saved my day!!! this content By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. BUT, the disk Utility, Palimpseset showed the two drives with no partition table. thank you for your help and guidance. 2 evidex on May 10, 2010 said: Wow, that would be a lot of data to lose! Dumpe2fs: Bad Magic Number In Super-block While Trying To Open

The college in 'Electoral College' Add warning to edit slug/permalink button on editor screen. Thanks! Introduction to Linux - A Hands on Guide This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started weblink Last edited by artships; April 5th, 2010 at 09:01 PM.

sudo tail /var/log/messages | grep -i sdb If any errors are occurring I can end the mount process with ‘kill -s9 {process id for the mount process}'. Bad Magic Number In Superblock While Trying To Open /dev/sda2 I will try it with --build first, and if that doesn't work maybe I'll see what happens if I ignore that warning. I would still appreciate any alternative methods I might be able to use to fix this, or any information about what caused this and whether or not this sort of thing

Kind of stuck in the middle…used all 4 steps from above and still no success >>> 1.

I wish I could give more detailed logs of the commands that have run, but the output is long scrolled passed except for what gets logged to syslog and my memory Cheers Tim 96 evidex on February 28, 2012 said: Hmmm, interesting. That maybe the superblock for the md device though. >.< Might be worth trying a few more superblocks, and trying to mount the raid device between attempts. 89 qurczak on January Superblock Has An Invalid Journal I will give UFS explorer a try though and see what happens –Regan Oct 28 '13 at 2:02 1 UFS Explorer works fine for ext2, ext3 and ext4 systems. –ewwhite

I read other posts that adviced using the command mk2fs -n to find a valid backup superblock to use for e2fsck -b However, none of them mentioned that trying another backup I was glad I've found your site in the hope of getting my hdd going again. You save my home partition (150gb) from the grave. http://netfiscal.com/bad-magic/ext4-fs-sdb1-unable-to-read-superblock.html Consider it a birthday present😉 75 Amida_Kun on October 14, 2011 said: Estuve por lo menos dos horas intentando recuperar mis datos, ya al final di con tu post, y salvaste

Sever-sort an array An Array of Challenges #2: Separate a Nested Array Extensible code to support different HR rules Why does a (D)DoS attack slow down the CPU and crash a It was nicely explained and worked in few minutes. Just like the pic in this link (2nd pic - the order is different and mine instead of RAID component says ‘3TB' ext4): http://community.wdc.com/t5/WD-ShareSpace/HOWTO-Recover-files-from-a-RAID-1-mirrored-drive-when-the/td-p/138448 The problem is that I can't mount Currently they are being used as part of my /mnt/rescue raid0.

You computer won't boot, all your filesystem checks tell you you've a bad superblock, but you cant seem to find how to fix it. How do I buy you a cup of coffee? 110 evidex on June 8, 2012 said: Glad to hear I helped! mdadm --stop /dev/md127 (and others if those where created using your disks) mdadm -A /dev/md127 /dev/sda1 /dev/sdb1 or, if one of the disks is broken or something, you can bring the Browse other questions tagged mount raid mdadm array or ask your own question.

THANK YOU!!!!! 54 Gaurang on June 20, 2011 said: Thank you very much. Skinjob View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by Skinjob 05-19-2012, 10:02 AM #5 -Thomas- LQ Newbie Registered: Jun 2011 Location: After unistalling DMRAID using the Synaptic Package Manager... sudo mke2fs -n /dev/xxx Down at the bottom of this output, should be a list of the backups Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736,

Presumably the old data is still there and hopefully can be recovered using a superblock backup. I have a Karmic server so everything has to be commandline (no gparted). May I congratulate you on a well-written, pertinent, well-researched question?

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