General :: Superblock Not Found On New Install?
Oct 31, 2010
This computer that I got as a gift runs windows just fine but being as I am a linux fan I would really like to run linux on it.I tried installing Ubuntu on the PC but it just caused some very very strange problems. (Text placed randomly on the screen + strange sounds coming from the computer).I tried installing Gentoo (my favorite distro) on the PC and it can't find the superblock on the drive. (Error during bootup)I low level formatted the drive and repartitioned it before installing gentoo.
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Jan 2, 2010
I have come across a problem on my Scientific Linux, I have searched the forum but couldn't find what I am looking for, so I decided to post my question here.well, here what I did: under the Terminal I got Cramfs-1.1.tar.gz installed, and then i used the "make" command to build the cramfsck and mkcramfs and it was all successful.so now I have an image I called it "backup.img", and I tried following command:./cramfsck -x ./output backup.imgbut unfortunetly I got the following message:./cramfsck: superblock magic not foundSo I kept on thinking what is this Superblock magic thingy? I did a google search but I kind of got lost and didn't end up finding anything useful, but I am just thinking it could be some kind of package which I need to install? I tried the following command:apt-get install magicbut it seems there is not such package exists with that name.
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May 14, 2011
After several crashes during videos it seemed like a good idea to fsck root. Downloaded the latest systemrescuecd and ran it at boot. The error message was 'bad magic number, corrupt superblock' with a suggested command to try another superblock. That failed with the same message. Tried tune2fs to force fsck at boot and got the same message. The drive is less than 6 months old and the installed system is working more or less ok. The command I used was 'fsck.ext4 /dev/sdc2'. What am I doing wrong?
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Dec 24, 2010
i have got an Debian Lenny NAS with 7x1,5TB of a Softwareraid5. Kernel Version is 2.6.32. The Raid ist mountet in /media/raid5. The System ist on a seperate disk and work fine. After i tested the performance of the raid with:
dd if=/dev/zero of=/dev/md0 bs=1G count=1 oflag=direct
Since i had done this i cant find any Data on /media/raid5. cat /proc/mdstat and mdadm --detail /dev/md0 looks fine. All UUID's are good. But: The SuperBlock is unreadable and the partition table was not found. mke2fs -n /dev/md0 shows some Backup of the Superblock , but i cant repair it with fsck.ext4: Illegal inode number on /dev/md0.
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Jun 16, 2010
I have a x64 OpenSUSE server with two hard drivers installed. The first one is used for the / and /home partitions and the other is for backups. Ironically enough it is the backup hard drive I am having trouble with. I was having trouble writting to the drive and unmounted it to preform a fchsk, however now when ever I try to mount it I get the following error:
mount: wrong fs type, bad option, bad superblock on /dev/sda1,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so
Does anyone know who I can repair the drive and retrive data?
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Jun 15, 2010
I have a x64 OpenSUSE server with two hard drivers installed. The first one is used for the / and /home partitions and the other is for backups. Ironically enough it is the backup hard drive I am having trouble with. I was having trouble writting to the drive and unmounted it to preform a fchsk, however now when ever I try to mount it I get the following error:
[code]...
how I can repair the drive and retrive data?
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Jul 23, 2010
I decided I needed to expand my openSUSE partition because I was running out of room. There was some unallocated space following my /home and swap partitions that I wanted to assign to my / partition.
So after taking note that bad things could happen (as I've read everywhere), I got myself a copy of GParted (since Yast! partitioner doesn't move partitions, does it?) to start getting the thing to work. Well, actually, I got PartedMagic which has GParted (I realize it could be a problem NOW if they didn't have the latest version).
So the first step was to move the swap partition. I decided to do it one step at a time and only moved the swap partition to the end. That turned out fine...no problems whatsoever.
The next step is where the problem came in. It was moving the /home partition. It took a while to move but once it got to the end, it showed a message that was similar in nature to "error detected" without giving a long list of error messages. If it did, I probably would have copied it down. There wasn't anything in the "logs" either in GParted besides what it showed. Looking back, I probably should've went into /vars/logs to get additional log information but I guess I wasn't smart enough to do so (provided that GParted does leave log messages there which I think it does).
After that, it refreshed the drive and it ended up showing no partitions with an error and saying the only thing it can do is create a new partition table. After that, openSUSE wouldn't boot. After loading, (both normal and failsafe modes) it gives me the message in the link at the bottom. I can still access those partitions fine. Nothing's corrupted. Windows also boots up fine (it's on a different drive though) and reads the affected drive fine. Linux-based LiveCDs (including openSUSE 11.3) reads the partitions fine too.
I've tried using e2fsck on my ext4 partitions with commands I found during a search and they seemed to "fix" those partitions but it still won't boot and gives me the same message. Looking at it carefully, it seems the reason it can't find a superblock is because it can't find part8 of whatever that thing under /dev/disk/by-id/ is.
I would very much prefer a failsafe (or at least mostly failsafe) solution that won't (or is unlikely) to result in requiring the restoration of a backup but I do understand that there is always the chance of something going wrong that will kill everything. Considering that I can still access the data on that drive, I don't believe the data is corrupted. Maybe the drive itself (as in whatever signatures it may leave) but not the filesystems.
This is what I end up with trying to boot into openSUSE (sorry, I don't know how to get the log when it doesn't put it in logs directory: https://docs.google.com/leaf?id=0B3A...ut=list&num=50
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Sep 16, 2010
i trying to recreate(after zero-superblock) raid 10 but get stuck with near=1, far=2 layout, how i can setup this layout using mdadm.
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Aug 10, 2010
I need to restore a superblock on a RAID5 software array. But I'm not sure if I'm meant to restore it from MD0 or a device such as SDA1? From what I read, superblocks are stored on each drive, but I'm not sure if this is changed when a software raid is in use.
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Oct 12, 2010
I want to populate an array of string by files exists in directory on mounting of file system. I got an entry point for file system mount. I can use either do_mount function or fill_superblock function. But I am not clear about how to call readdir from there itself. I need inputs for calling readdir from fill_superblock function.
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May 12, 2010
I'm logged into a server through the CLI and did a df -T and confirmed all my volumes are ext3. but when I do a tune2fs -l /dev/sde it tells me
tune2fs 1.39 (29-May-2006)
tune2fs: Permission denied while trying to open /dev/sde
Couldn't find valid filesystem superblock.
I don't have root access on the server, but is that why it's complaining, or is my syntax incorrect?
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Oct 23, 2010
i used to have ubuntu 9.i decided to move to sabayon so i used the live cd to install it ,resize the ubuntu partition and use the remaining space for sabayon.while the resizing procedure i got an error(i dont have a copy of the error log file but i know it has something to do with an anaconda process).i aborted the installation and the result was an filesystem that couldnt be mounted.when i try to mount the hdd i get this:
Code: Error mounting: mount: wrong fs type, bad option, bad superblock on /dev/sdb1,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so and this is what i get from fsck: Code: $ sudo fsck -f /dev/sdb1
code....
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Oct 1, 2010
I installed a program with Yast (Kmess), but when I try to run it, bash gives me back this message:
Code: kmess: command not found I checked into Yast and it seems to be installed correctly!
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Sep 3, 2010
I downloaded and burned to CD LegacyOS. How do I now install it? It says no install file found!It was burned to CD as an iso.
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Jun 29, 2011
When I try to Install Linspire I always encounter the error 25 can please what king of error this. Is this a Hardware problem or what. because this is my first time to use this Linspire....Regarding to xandros when I try to install this I always encounter error 17 but I used express installation and when the xandros ask to restart the pc and start he did not continued execution it appear error 17.
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Jun 28, 2010
I am trying to install NIC driver, at last when I am using command make the following output is coming. How to come out from this error:
Makefile:65 *** Linux source not found. Stop.
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Nov 17, 2010
I have fedora 11 (64 bit).i was trying install eldk.so i installed arm-2008-11-24.
After installation when i go for make command it shows error like /opt/edlk/usr/bin/arm-linux-gcc: Command not found details:
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Jan 3, 2010
I'm using a new Distro and after installing it and randomly searching for help on websites on how to install a .Deb file using dpkg at the konsole/terminal it says Bash : dpkg: Command not found . how is this possible ? Do I have to know about all the packages in the package manager to install this. slight difference for me ... knowing what I have and knowing if I need Apr93-323? (whatever) installed first or not ? The only thing I know is that I have the Iso image installed ... which is my linux distro . Where to go from here? because I usually go to a website site to find Software to install ...if I need it .back to the basics
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Jul 19, 2010
install immunity debugger on system and found it very diff?
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Oct 6, 2010
after fresh Install,(ubuntu 10.04),I can't download anything!I get error massage-Archive:
/home/scheri/Downloads/va31.exe
[/home/scheri/Downloads/va31.exe]
End-of-central-directory signature not found. Either this file is not
[code]...
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Jun 28, 2011
Im trying to fix a disk which is inaccessible.
Its using LVM2
From a rescue disk I can scan and see the LVM device fine.
When I try to mount it fails.
When I run e2fsck it says "recovering journal" and then fails with "unable to set superblock flags"
I have tried running e2fsck -b 32768 (and other backup blocks) and it just says "recovering journal" and then fails with "unable to set superblock flags"
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Jan 17, 2010
i'm trying to install gcc 4.3 on ubuntu 9.10 using the following: sudo apt-get install g++-4.3 CC=gcc-4.3 CXX=g++-4.3 ./install
the first line is ok, but i dont know what to do with the second. if i type both in one command, i get "E: couldn't run package CC" and if i run each separatly, i get "./install not found in the directory" objective: install ns 2.34 on ubuntu 9.10 (32-bit).
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Mar 7, 2010
Running ubuntu server (ie no gui) but suspect this might be a general problem.
With the machine booted from the hard drive, if I run fdisk -l I get an invalid partition table message code...
Unable to read the contents of this file system!
Because of this some operations may be unavailable.
How do I correct this error?
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Mar 24, 2011
This might take a little while to explain so please bear with me. I just bought a HP N36L microserver to replace my Netgear ReadyNAS as it has 4 bays as opposed to the 2 in the Netgear, the HP came with a 250GB Seagate drive in so I installed Ubuntu 10.04 server onto that as a minimal install in a 5GB partition, selected basic server, lamp and samba during the setup and then once installed added the minimal gui, all good so far.
The idea was to have 3 1TB drives in the HP running software Raid 5 and after trying to do this via the disk utility gui and having misaligned cylinders I found this guide for setting up the Raid 5 array - http://www.jamierf.co.uk/2009/11/04/...n-ubuntu-9-10/ Now the problem with setting up the raid was I had just over 900GB of data on the 2 disks in the Netgear and not enough space anywhere to back it all up so the plan was to install 1 x 1TB drive and format to ext4 and transfer all the data onto it from the Netgear, then pull the 2 drives from the Netgear and build the Raid 5 array using just those 2, then copy the data from the 3rd drive onto the raid and then add the 3rd drive and grow the array.
This actually was all going fine, 2 disk array was built, data transferred and all was good so added the 3rd drive to the array and issued the grow command, after many hours this completed and I had a 2.0TB filesystem icon on the desktop.
Now the problem, the last two steps were to unmount the array and run an fsck on it (as per the guide) and then grow the filesystem but the array wouldn't unmount it kept saying it was busy, I tried to force it but still nothing so I decided to reboot (my windows background coming back to haunt me perhaps) when the box came back up it failed to mount the array due to a bad superblock
[Code]...
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Jul 11, 2011
I'm running 2.6.32-28-generic. I have a raid1 (two 1tb drives with two partitions... one for / and one for /home.) After a power outage, I'm seeing grub complaining about /dev/md0 not existing (ALERT! /dev/md0 does not exist. Dropping to a shell!)
I booted to the latest live CD to have a look around. My dmesg output includes these ominous lines:
Code:
Here is the whole dmesg output: [url]
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Apr 11, 2010
I removed a hard drive from a failed Buffalo LinkStation NAS. The drive was 1TB and formatted in XFS. I installed Debian Linux on my Mac using Virtual Box just so I could get to the files.
When plugin the drive (via USB) two volumes show up, but there's another that I can't seem to open (and may have all of the shared files I need). It's the largest volume (over 900 MB).
I keep reading to run xfs_repair, but when I type that in the terminal, I am given "command not found". I am not sure how to use it.
Also when I try to open the volume I am given "can't open superblock" error.
I am not too familiar with using Linux and ma just trying to get to my files.
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Mar 31, 2010
How can i read out the superblock of a filesystem?
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May 10, 2010
I am newer to Slackware but not to Linux. I am having the hardest time trying to get my CDROM to mount for me so that I can play audio cd;s and the like. I can see that the system knows that my CDROM drive is there and that it works because I installed Slackware 13 from my CDROM drive as /dev/hdc. Now when I put in a cd nothing happens? I have googled away and searched this forum quite a bit before posting this but I have tried almost everything I can think of and what others have mentioned. I have screenshots to show you what I mean. When I try to run the command:
mount /dev/cdrom /mnt/cdrom
I get it as mounting as read only and it says can't read superblock? Now that is fro my slave IDE CDROM on top as hdd. I have tried before to mount it as /dev/hdc but to no avail. I know both CD drives work just fine because I used them to install the system. I am going to put the screenshots below so maybe someone can help me! Also I can eject the top CD drive with the command code...
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Mar 16, 2011
I have a removable USB pen drive, that all of a sudden, when it got 99% used, stopped working. When I try to mount it (manually) I get "can't read superblock". I know there is a ton about this on Google and I've read a lot of them, but most seem to be about formatting a drive, or fiddling in fstab. I'm trying to run fsck on it, and it finds errors, (among them: two FAT-tables?) but then it just freezes, and CPU goes to 100 % and I let it be like that for 4 minutes, before aborting. Scandisk in windows is rubbish (fails to start), and running "chkdsk /f F:", in windows, results in nothing, the shell crashes immediately. Is it normal for fsck to get stuck and just chew up CPU? It does not seem to be reading from the drive, according to conky. Also, is it possible to run fsck as normal user, (at my work)?
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Jan 4, 2010
I cannot for the life of me get my HD working again. I tried following all the various remedies I could find but to no avail.
Code:
ubuntu@ubuntu:~$ sudo e2fsck -f /dev/sda1
e2fsck 1.41.4 (27-Jan-2009)
e2fsck: Attempt to read block from filesystem resulted in short read while trying to open /dev/sda1
Could this be a zero-length partition?
Code:
ubuntu@ubuntu:~$ sudo dumpe2fs -f /dev/sda1 | grep -i superblock
dumpe2fs 1.41.4 (27-Jan-2009)
dumpe2fs: Attempt to read block from filesystem resulted in short read while trying to open /dev/sda1
Couldn't find valid filesystem superblock.
It goes on and one like this. I'm stuck using the LiveCD for now (Jaunty) so I have some limitations.
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