The read-only status is meant to help protect you from further data loss.Water over the proverbial dam now, but "fsck -f -y ..." is very dangerous to the health of your But, a synopsis is: I had a crash of some sort and the superblock is corrupted when I try to mount the partition where I have the data. mdadm: /dev/sda1 is identified as a member of /dev/md0, slot 0. Now, make sure your superblock is the problem, by starting a filesystem check, replacing xxx with your partition name. http://netfiscal.com/bad-magic/ext2-fs-md0-error-unable-to-read-superblock.html
For months I tried to find a solution to recover my data and you made my day. Simply type the # menu entries you want to add after this comment. Some diagnostics using fdisk, dumpe2fs and e2fsck were made. Reply Link nixCraft December 28, 2009, 11:33 [email protected] maxYou can..
The "-p" (preen) option is safer. your post saved 4TB of data!!! linux filesystems ubuntu-14.10 share|improve this question asked Sep 29 '15 at 21:30 user264230 63 I just installed Ubuntu 15.10 server on an ESXI host. Join 78 other followers Meta Register Log in Entries RSS Comments RSS WordPress.com This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 Unported License.
Please review Readme First.Not sure why a screen shot would be needed/wanted anyway. thanks 101 Botas on May 24, 2012 said: Thanks a lot!! Trying to reiterate restoring the superblock with fsck didn't help. How To Recover Superblock In Linux Try giving it a while to finish that before retrying.
But first came to other help pages and messed up the rescue a bit. Below is what I think shows what my major problem is: First, a simple mount attempt gives me: Code: $ sudo mount /dev/VolGroup00/LogVol01 /fluffy_main/ mount: /dev/mapper/VolGroup00-LogVol01 is write-protected, mounting read-only mount: If the first superblock (for you 32768) doesn't work, retry with a few of the next superblocks (eg 98304). https://linuxexpresso.wordpress.com/2010/03/31/repair-a-broken-ext4-superblock-in-ubuntu/ You can find out the current partitioning of a disk using the fdisk command.
Would this be a bad idea? Bad Magic Number In Superblock While Trying To Open /dev/sda2 thats if drive is not gone bad. I have now bookmarked your site. Typically the command: $ fdisk -l /dev/sdb For example: $ sudo fdisk -l /dev/sda Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors Units =
Thanks for the great site!! website here If the device is valid and it really contains an ext4 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck E2fsck Bad Magic Number In Superblock Install gparted sudo apt-get install gparted Then go into System->Administration->Partition Manager and have a look at what it sees. Bad Magic Number In Superblock Resize2fs the new partition table in fact is not a mess.
Obviously i don't know ext3 filesystem internals -- too much to learn, so little time… My point is: would there be any value in storing the list of superblock locations offline?Thanks, check over here except about 0.02%, which is very good. Also, use your up/down arrow keys to select each partition listed in the deep search results, and press "p" to get a directory listing; please let me know exactly which partitions Also, what file system was that partition? Dumpe2fs: Bad Magic Number In Super-block While Trying To Open
So she read that this command would destroy all data: dd if=/dev/zero of =/dev/sdd well of course it did delete all the data but also wiped out all the super blocks. The output you described is the ‘correct' output for a corrupted superblock. I don't know what to do next. http://netfiscal.com/bad-magic/ext4-fs-sda2-unable-to-read-superblock.html Reply Link Don October 11, 2010, 11:11 pmAwesome.Here is what I did that worked for me.$ dumpe2fs /dev/sda6 - got just the "Bad magic number in super-block while trying to openâ€¦"
No way to correct it. The Superblock Could Not Be Read Or Does Not Describe A Correct Ext2 So your command should be directed to a specific partition and not the entire HDD. How do publish end remote events work What encryption should I use: Blowfish, Twofish, or Threefish?
Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the you saved my busted filesystem and the beast lives again! 127 rihend on December 21, 2013 said: Reblogged this on Henri Sekeladi - Sebuah Catatan Perjalanan. 1 mount: wrong fs type, Reply Link vamsi April 24, 2016, 5:20 amYou are a life saver man. Ext2fs_open2: Bad Magic Number In Super-block Yes sda4 used to be the extended partition, please have a look what the fdisk -l output used to be:[email protected]:/home/cezar# fdisk -l Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63
Is there a way to make it just boot from the drive ignoring these errors? Low number superblocks give me this error: Code: $ sudo e2fsck -f -b 32768 /dev/VolGroup00/LogVol01 e2fsck 1.42.7 (21-Jan-2013) e2fsck: Attempt to read block from filesystem resulted in short read while trying mount -a [-t|-O] … : mount all stuff from /etc/fstab mount device : mount device at the known place mount directory : mount known device here mount -t type dev dir weblink 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
flashes a screen saying some permission issues in /var/www... Thanks. for example, I mount sda5 (where is the installation I am doing) in /mnt/arch-new that I have created in sdb1 (#mkdir /mnt/arch-new #nano /mnt/arch-new/etc/fstab). That's why I wanted to know what should the correct output be if the operation succeeds… It still sorted the problem somehow, when I restarted the superblock was good again eventhough
This has highlighted something that I am interested in trying something along the lines of snapper. After that system looks healthy so far with no more RAID or SMART messages. If no-one has any ideas, try searching for the superblock error message on google.I think anything you try should be considered risky but if you get to the point where you All Rights Reserved.
Found your website in google and it helped me to restore everything. Offline #8 2013-06-11 11:17:23 oliver Administrator Registered: 2010-11-04 Posts: 2,209 Re: BIG problem ..... [SOLVED - kinda -] With 15 years of data, I'm reluctant to offer suggestions which may break First, figure out what partition we're dealing with. My wife did not make any backup the last 2 weeks (she is teacher) and everything is now against accessible.
My ext4 root partition with 10 GB of personal data is alive again. If it's not, repeat the steps, but restore a different backup superblock🙂 Share this:TwitterFacebookGoogleLike this:Like Loading...