Debian :: Can't Read Superblock - Resolve This?
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 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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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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Sep 27, 2010
I am unable to boot my server and it is erroring with the message "Kernel panic - not syncing: Attempted to kill init!". Here are the details:
I have a brand new Dell PowerEdge T110 server with Quad-Core Xeon CPU and 2GB 1333MHz RAM. I have installed a hard disk (SATA, 7.2rpm) on this machine that I removed from another Dell PowerEdge T100 server with Dual-Core Xeon CPU that was running software RAID 1.
Now when I boot the new T110 server, it displays the following error messages code...
I am running CentOs v5.5 x86-64. If I put the hard disk back into T100, it boots fine. I do not know why it is not working with T110 server.
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Jul 6, 2010
what does this error message mean? im trying to mount an ipod in disc mode. let me know if there is a way to manually mount it to get around this. but not too technical, the simpler the language, the easier i will understand it.
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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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Jul 12, 2010
[URL]
This problem has arrived again.......I tried the same solution but didn't work out...the problem is described below.
I use Ubuntu 9.10 .
I did this in Ubuntu 9.10 live CD.
quote from terminal :-
ubuntu@ubuntu:~$ sudo mkdir /win
ubuntu@ubuntu:~$ sudo mount /dev/sda5 /win
ubuntu@ubuntu:~$ sudo mkdir /vdisk
ubuntu@ubuntu:~$ sudo mount -o loop /win/ubuntu/disks/root.disk /vdisk
[Code]....
The superblock could not be read or does not describe a correct ext2 filesystem. If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate superblock:
e2fsck -b 8193 <device>
ubuntu@ubuntu:~$ "
> ^C
ubuntu@ubuntu:~$
^^ quote ends.
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Aug 15, 2011
I got a CentOS server + KDE from a server (which I had no contact until now), he had 2 HD's one for the system and another for files.
I brought the HD system home to try to make it run on a virual machine (VMware) so I can do some testing before you put in practice.
But already converted the VMware HD to the system, it tries to start but it shows some errors and in a message "kernel panic - not syncing: attemped to kill init"
I think the drivers are correct, has edited the file "/ etc / modprobe.conf" edited these entries equal to another I installed CentOS on VMware.
alias scsi_hostadapter mptbase
alias scsi_hostadapter1 mptspi
ata_piix alias scsi_hostadapter2
Look at the picture attached the full error.
Link to large image
Link to large image
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Jun 4, 2010
I'm trying to get some data off of an external harddrive. I get a few errors:Unable to mountError mounting: mount: /dev/sdb1: can't read superblock.I then tried to run a read disk benchmark on disk utility and that seemed okay.I then tried
Code:
ubuntu@ubuntu:~$ sudo fdisk -l /dev/sdb
Disk /dev/sdb: 320.1 GB, 320072933376 bytes
[code]....
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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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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 25, 2010
I have a problem in my ubuntu 10.01 that it can't load a drive/volume in ubuntu. When I tried, it said: "Unable to mount location Error mounting: mount: /dev/sda1: can't read superblock". And when I boot my pc with 'Windows', it said : "UNMOUNTABLE_BOOT_VOLUME" under a blue screen. What can I do to solve this problem?
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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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Jan 15, 2010
I added an ext4dev filesystem to my hard drive as /dev/sda3 and mounted at /share with the goal of putting all of my multimedia files on it and sharing it through NFS. I followed this guide: [url]
Of course, this was from lenny (hence the -dev). The partition was fine, and I mounted it numerous times. I also performed a dist-upgrade to squeeze. I shutdown that computer with the usual 'shutdown -h now' and disconnected the AC power cord from it, because I wasn't planning on using that machine for awhile. As far as I could determine, everything was fine before I unplugged it.
Every time that computer is powered off, the clock resets to 1999 because the battery is bad. So I am used to getting the "last mount time is in the future" error.
Three weeks after halting, I powered the computer back on. It was unplugged until this point. I got an error message when it attempted to mount /dev/sda3
I then removed its line from /etc/fstab, rebooted. and tried to check it, but I just keep getting the same error-- even with the '-b 8193' option.
The machine is still using the 2.6.26 kernel from lenny. I am building a new one right now (2.6.30), hoping that the problem is caused by the ext4dev/ext4 module. Otherwise I don't know what to do.
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Sep 23, 2015
I'm using Debian Testing (I know it doesn't happen in Stable)
Words isn't required here. I'll show examples:
# aptitude dist-upgrade
Code: Select allThe following NEW packages will be installed:
appstream{a} coinor-libcoinutils3v5{ab} coinor-libosi1v5{ab} cpp-5{a}
g++-5{a} gcc-5{a} gcj-5-jre{a} gcj-5-jre-headless{a} gcj-5-jre-lib{a}
geoip-database-extra{a} gnuplot5-data{a} gnuplot5-qt{a} icoutils{a}
kded5{a} kinit{a} kio{a} libapt-inst1.7{a} libapt-pkg4.16{a} libasan2{a}
[Code] ....
Why apt-get can while aptitude can't?
I've searched on web, and all I can tell is that aptitude is "safer" than apt-get because it taking account the packages on hold.
But I don't have any package on hold! (I've tested dpkg --get-selections | grep hold)
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Sep 6, 2010
I have an ftp script that will run fine manually when logged in as root. I set the root's crontab to run this file and it won't run. The script run fines from the command line with either "./ftpcall.sh" or "sh ftpcall.sh" but doesn't run at all in the cron. Permissions are obviously set to execute as it runs fine from shell.
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Sep 18, 2010
I've been trying to use aptitude for package management, but nothing happens in response to my commands, even as root.
Let's say for example I want to purge popcon. According to the helpfile, I should start aptitude, become root (or vice-versa), select the package in the list and press '_' (underscore), and then it will be marked with something in the left column and a different color in the list. Then later, another command will actually do the purge.
But nothing happens. It doesn't get marked or change color or anything, and 'g' just gets the message 'No packages are scheduled to be installed, removed, or upgraded.'
What am i doing incorrectly?
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Mar 16, 2011
I just installed Debian only to be confronted with a problem. My wireless internet won't work. If I click the internet thing, under "Wireless Connections" it says "device not managed", btw my internet works and it did when I had Ubuntu, so nothing wrong in that department.
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Apr 18, 2011
So I recently upgraded from Debian 5 to Debian 6 and now for some reason I cant SSH into my server FROM my server. All of the following fail with the same error:
[URL]
They all come back with: ssh: Could not resolve hostname 127.0.0.1: Name or service not known. I never actually tried this before upgrading so I'm not sure if its caused by the upgrade, but I would like to get this fixed. Also, ping with all of the above hostnames fails as well. I can SSH in from other computers and I can SSH out from the server. For whatever reason, I cant SSH from the server to the server though.
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Feb 22, 2011
I'm having this problem on two desktop machines running Squeeze with GNOME. NetworkManager simply will not resolve DNS. In network settings, it picks up my router under "DNS Servers". However, applications such as Iceweasel will not load domain names, though the IP addresses do work. From command line, DNS is working fine.
I realise I can fix this by adding my ISP's DNS servers to resolv.conf, but I'm looking for a proper solution to this problem, as I have experienced it before and probably will again.
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Mar 10, 2010
I down loaded Debian 5.0.4 and burned it to CD (several times I might add till it was right) and now the computer I'm putting it on wont acknowledge it as a boot disk and load. It does not have a problem with my windows cd, which has a crack and the start of all my problems, But not the Debian CD-1 disk. what now? The computer is an IBM thinkpad a22p. Everything works as far as I can tell. But I was going to reinstall Windows and failed in that because of a small crack on the edge of the disk that stopped the install and any hope of accessing the file on the laptop. Microsoft does not support windows xp any longer, you must buy windows 7, but the ibm will not run it due to processor speed and ram limitations. But it will run linux and I'm willing to try it just to get out of microsoft control.
Idon't know what else to do. This is the link to where I downloaded the software ( [URL] ). The others five that i downloaded were on the same page that I got this one. Are there bad files here? Is there a missing file in the disc?
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Nov 11, 2010
I just did a reinstall of Debian testing last night, and today I am configuring the system to my liking. I just clicked on the mixer in the tray, and the only option I get is Realtek ALC269. Before I could use ALSA. What happened, and how can I get ALSA back?
I did an "apt-get install alsa" to see if I could even get ALSA, and it downloaded and installed. I still can't seem to get ALSA working down there.
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Mar 1, 2011
I'm using Debian 6.0.0 (Squeeze), I have other 2 PCs with Windows (XP, WIN7) and all PCs are in a network with a DCHP (an ASDL Router).From Debian PC if I open the "File Browser" -> "Network"I can see all Windows computers by name (so samba can resolve the NetBIOS name), but I can not recover the IP
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Jul 9, 2015
Previously, I issued a wakeonlan command to my sleeping debian (wheezy stable) server from (a mac) within my home network and then ssh in no problem. Worked like a charm. I could put it to sleep again and wake it up etc. Perfecto.
However, for some reasonI can now only ssh in once the server is rebooted (by physically switching it off then on again). If I put it to sleep then wake it, it does wake up --- however, ssh cannot then resolve the hostname:
---
>> ssh -vX bob@cerberus.local
OpenSSH_6.2p2, OSSLShim 0.9.8r 8 Dec 2011
debug1: Reading configuration data /Users/bob/.ssh/config
debug1: Reading configuration data /etc/ssh_config
debug1: /etc/ssh_config line 20: Applying options for *
debug1: /etc/ssh_config line 102: Applying options for *
ssh: Could not resolve hostname cerberus.local: nodename nor servname
provided, or not known
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Apr 10, 2011
I've installed newest Debian (Squeeze) and then on fresh system made instalation of VirtualBox OSE as it is written on http://wiki.debian.org/VirtualBox.
I've also created virtual machine, however when I try to run it I got error message:
RTR3Init failed with rc=-1912(rc=-1912)
Please install the virtual-ose-dkms package and execute 'modprobe vboxdrv' as root
And later on code...
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Sep 25, 2010
Sound works great for non kde programs such as firefox and vlc. Amarok and dragon player however refuse to play with sound. Sound doesn't work either when testing it in the 'Multimedia' section. I have no pulseaudio installed. Any ideas where I can look for possible solutions? code...
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Jan 3, 2009
I am trying to run a file called MFSTOOL from mfstools.sourceforge.net
It its a program for backing up tivo images
when i drop into a shell account and go to the dir of the program then type mfstool
I get -bash: mfstool: command not found
now if I run it by typing ./mfstool
it will give me a list of options and switches for the program, but if i try to use the options and switches with ./mfstools it will just give me the switches and options again IE
Typed as ./mfstool backup -6 -o /tivofiles/images/sddvr40/3510/tivo.bak /dev/hdc/
I know the program works as I can boot with a live cd mount my /dev/hda1 and store files to the images dir, i think i am missing something in a config file to let this program run.
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Jan 12, 2010
I'm very new to Linux and have installed debian Lenny.
but I have met some problems. The biggerst one is that I cant start debian.
To be more exactly, debian freeze after i come to the loggin scean, I cant move the mouse and i cant wright.
You may say that this is hardwear error but its not, cus i can run grubs singel-user-mode and do whatever i want in the shell.
so my question is, how do i fix this from shell. I think maby I shld change something in xorg.conf but not sure what, and how.
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Aug 21, 2010
I'm using Debian-Squeeze, and the command "uname -a" results in "Linux debian 2.6.32-5-amd64 #1 SMP Sat Jul 24 01:47:24 UTC 2010 x86_64 GNU/Linux". The desktop environment is Gnome 2.30.2.
My problem is wireless connection causes the system to crash. Here is the detail: my university uses a WiFi service that we have to enter our ID and password in a certain web page in the browser to get access to the Internet, while the WiFi signal is automatically picked up. My laptop crashes each time I connecting to such wireless network. But back home, when connecting to my own WiFi, everything is all right.
As the only thing I can do when such crash happens is to press the power button to force the computer to shut down, I've gathered no more information till now.
Does anyone know what's wrong and how to fix it?
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