Hardware :: How To Mount LVM Filesystem On USB Drive
Jan 14, 2011
I could not bootup a system as during the bootup procedure, it was throwing a ton of seg faults, so I removed the SATA hard drive from the system, put the drive in a USB hard drive dock, and attached that drive to another linux system. I want to mount the filesystem to /mnt/external and poke around however I'm not sure how to mount the filesystem. The /boot drive on the USB drive (/dev/sdb1) was automounted on my desktop by CentOS, but the root filesystem (/dev/sdb2) was not.
Here's what I tried:
Code:
[root@localhost ~]# mount /dev/sdb2 /mnt/external/
mount: you must specify the filesystem type
I already have an existing LVM system on the system the disk is attached to so I don't want the USB drive to conflict with that. Both systems were installed using the same method and the internal disk (/dev/sda) in the working system is the same size as the USB disk (/dev/sdb), 500GB. I think there might be a naming conflict as the same default names for the volgroups/logical volumes were the same, so I think I have to rename something on the USB drive?
Code:
[root@localhost ~]# fdisk -l
Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes .....
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Apr 19, 2011
On this LAN we have: Windows 7 desktop, 192.168.1.2 Ubuntu 10.04 desktop with ext4 filesystem, 192.168.1.5
On the Windows 7 system, how do you mount a Ubuntu "/home/myHomeDirectory" (ext4 filesystem) as "drive U:" ?
So that U: => 192.168.1.5:/home/myHomeDirectory One possibility is a commercial product called ExpanDrive.
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Apr 10, 2011
my external HDD of 750GB bring me an error during mounting!it asks me to get to windows and reboot twice or cmd chkdsk/f of which when i do it only option comes is to format it, i do not wanna format it coz it's with a lot of ma useful data!am using debian just asking if its possible to retrieve ma data from it using commands persay and what are those
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Mar 27, 2010
When I try to boot to OpenSUSE I get the following error during boot-up: unknown filesystem type 'reiserfs' could not mount root filesystem - exiting to /bin/sh$
This only started happening quite recently - before this I could boot to Linux quite happily.
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Mar 11, 2011
I am trying to mount a file image, like this
mount -o loop /tmp/apps.img /media/apps
But I get the following:
mount: you must specify the filesystem type
I try ext3:
mount -o loop /tmp/apps.img /media/apps -t ext3
dmesg says:
error: can't find ext3 filesystem on dev loop6.
I've also tried ext2, vfat etc. How can I detect the filesystem type of apps.img?
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Mar 24, 2010
I've had a look at some similar threads but as I'm very new to linux they're already a bit technical for me. Sorry, this calls for someone with patience. I gather from other threads that disconnecting an external drive without unmounting is a no-no, and this seems to be the likely cause. Now the disk is read only and I'm unable to change any settings through the usual control panel on ubuntu. I'm just not familiar with the terminal instructions. I tried to cut and past a few command lines from other threads but I got some warnings that proceding could damage data. Like this one: WARNING! Running e2fsck on a mounted filesystem may cause SEVERE filesystem damage.
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Mar 12, 2010
I installed Ubuntu Server 9.10 in a virtual machine, and I'm trying to install the VMware Tools but I can't mount the installer CD: $ sudo mount /dev/scd0 /media/cdrom mount: unknown filesystem type 'iso9660'
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May 30, 2011
I'm having some trouble with my Ubuntu 10.04. It had been working normally, and now my startup isn't occurring normally. The bootloader shows my Windows install and two different revisions of Ubuntu. Upon letting it load Ubuntu, however, it goes to BusyBox v1.13.3 and says "built in shell (ash)" and presents me with a functioning command line.
I'm comfortable with working on the command line, but does anyone know where to start with this?
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Jul 20, 2010
I have installed debian recently and not able to mount any other volume except FileSystem. It says -You are not privileged to mount this volume.I have tried everything including raising the permissions of the user and changing the group to root but in vain.??
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Jan 8, 2010
Something very strange happened. Firefox was acting a little strange, so I decided to restart my system. When ubuntu started to boot it showed an error that said filesystem failed to mount. It gave me an "emergency" command line and told me ctrl-D would retry the mount. Why would this happen? I haven't modified any system files for a very long time. It told me to run fsck (I think thats what it was) and that seemed to fix the problem. Just curious as to what could have happened. Anyone else have this problem? Anything I should try to fix so this won't happen in the future?
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Jun 24, 2010
when I try to boot into Ubuntu 9.10 the first thing that happens is this:
Filesystem checks are in progress
I have seen this on a few occasions and thought nothing of it, I have let them complete in the past and was able to boot no problem, but recently that has changed, whether or not I let the checks complete I get the following error:
Mount of filesystem failed.43708f-0498-4699-9fd5-1f52df0bc181
A maintenance shell will now be started.
Any thoughts on recovering this partition or at least gaining enough access to it to backup some data?
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Sep 2, 2010
I have ubuntu and windows installed on my computer, and sometimes I would need something from the folders I have on windows and I would mount the main hard drive. But now it's telling me "Not Authorized"
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Nov 29, 2010
I'm running Ubuntu 9.10 on a dell desktop from idk when, its fairly old but regardless it was all running fine until about a week ago I got the infamous:
Mount of filesystem failed. A maintenance shell will now be started. Control-D will terminate this shell and start a new one. admin@ or whatever it is you get the point.
I've been trying all the possible solutions I could find and nothing seems to work. I just want to be able to use this computer. I don't care if I lose files, or have to re-install Ubuntu or any of that, if I can just get the thing running again. I've tried re-installing, and booting from the disc etc. none of which have worked. Basically, I just want to erase Ubuntu and re-install it.
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Jan 7, 2011
I have had a system crash and have no idea why - I have booted up through the cd and are runnign off that but i need to know how to get the information off the hard drive before I attemp to format and start again.
Error msg:
Unable to mount 990 GB Filesystem
DBus error org.gtk.Private.RemoteVolumeMonitor.Failed: An operation is already pending
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Apr 17, 2011
For some reason I get the following error when trying to mount a partition in my hard drive:Quote:Error mounting: mount exited with exit code 1: helper failed with:ount: wrong fs type, bad option, bad superblock on /dev/sda7,missing codepage or helper program, or other errorIn some cases useful info is found in syslog - trydmesg | tail or soSome more help from dmesg | tail:Quote:
[ 1261.867432] FAT: bogus number of reserved sectors
[ 1261.867437] VFS: Can't find a valid FAT filesystem on dev sda7.
[ 1300.391980] FAT: bogus number of reserved sectors
[code]...
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Nov 16, 2010
I'm trying to do a fresh Fedora 14 install from usb live stick. On installation got to partition program and since I want my old /home partition I pointed the partitions as they're supposed to be and apart from /home marked all partitions to be formatted to ext4. After the format or in the end of it came up a prompt I couldn't past. The following link shows a pic of that prompt:
[URL]
What should I do to complete the install? I have partitions:
/
/home
/boot
/swap
Solution: Burned the image on CD and installed from it.
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Oct 26, 2010
I am running 11.2, kde4. The day before yesterday, the system updated and I think there was kernal update within that. I had no problems immediately afterward. Then I did a total shutdown for the night, and turned it back on yesterday only to find this:
Mount: wrong fs, bad option, bad superblock on /dev/sda2, missing codepage or helper program, or other error
In some cases useful info is found in syslog--try dmesg | tail or so
Could not mount root filesystem--exiting to /bin/sh
sh: cannot set terminal process group (-1): Inappropriate ioctl for device
sh: no job control in this shell
$
Besides the last updates from the other day, I did nothing out of the ordinary, no downloads or any system/configuration tweeks. Will I have to reinstall opensuse? or is there a way to reclaim my previous setup--or at least reclaim my files and documents? I'm running off of the 11.2 livecd.
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Jan 17, 2010
I just flashed/updated my BIOS using the MSI LiveUpdate4 utility under Windows 7. Everything worked the way it was supposted to as far as I can tell. Except that I can no longer boot up under Ubuntu. Windows XP and Windows 7 both boot up fine.
I get the error message:
Quote:
Mount of filesystem failed
A maintenance shell will now be started
CONTROL+D will terminate this shell and continue
Give root password for maintenance
I never set a root password under Ubuntu so I can't do that. It also said after failing to accept my user/sudo password something about running Fsck manually. So I put in the Ubuntu installation CD and am running it live. It comes with Fsck but there are quite a few options and I don't want to choose the wrong one and end up loosing data.
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Feb 15, 2010
I have a dual booting newly installed 64 bit Ubuntu 9.10 on my machine. It was all fine until today. Now when I boot into Ubuntu, I see the error Failed to mount root filesystem. I cant remember any significant changes during the last session. One thing I remember is I upgraded the system using the update manager which asked me to choose an option for grub boot loader. I opted for its upgradation. After the upgrade, I was able to work with Ubuntu for a few more sessions. Windows XP works very fine.I checked other threads which suggested running fsck, but it did not help. fsck does not report any errors.
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Feb 16, 2010
Mount of file system failed.this is the message i get wen try to boot into ubuntu 9.10 i dont knw how to rectify it
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Mar 24, 2010
I have a 64 bit Karmic system with two drives. One is mounted as / and the other is mounted as /home. I just put the video card from my system into my son's system and got a new video card. (Don't see how it's related but still...)Now I am getting the following message when I turn on the system. code...
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Dec 12, 2010
This question is about windows xp but since I rarely use it and dont care about to sign up for some xp related forums
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Feb 4, 2011
Having trouble mounting a filesystem , I created a software raid system on it and it worked fine and then I restarted it wouldn't auto-mount so I did it by hand , and now I get this :
[Code]....
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Jul 8, 2011
I want the users of the other machines, which have accounts in my server, to mount their home directories in the server. I managed to do everything, except that for the moment I can only mount their home directories by being the superuser of the server, a privilege that I don't want to give to the users. Also, I don't want their home directories to be mounted automatically. Thus, from a "normal" filesystem share, I want to: 1-The home directories of user in other machines be mountable in the user areas of the server (I can do that already).
2-I want that the users be able to mount by hand their directories, so that the directories are not permanently mounted. Currently, I can only mount and umount being the superuser of the server. I don't want to give superuser privileges to all server users.
3-I don't want their directories to be mounted on startup (otherwise I could simply add the mounts to /etc/fstab). Thus, does anyone knows how can I give the users the privilege only to mount a specific filesystem?
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May 27, 2011
I am using GRUB bootloader. I can boot into windows fine. But booting into linux gives me the error "kernel panic: unable to mount root fs on unknown block(0,0)I got LILO to load linux fine but GRUB always gives me this error regardless of the linux OS for this particular computer.
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Jul 26, 2011
I'm trying to run a persistent Debian distro on a USB thumbdrive, with the persistency data written in a mounted live-rw loopback file. However, the drive has to be formatted FAT32, and that poses a 2GB maximum limit on files, so I can't use the full 3GB space that is left on the drive after the Linux install. Can I make two loopback files and format/mount them as a single filesystem? If I can't I guess I'll have to repartition the drive, which I'd rather avoid.
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Jul 11, 2011
I have an old Intel webcam that doubles as a standalone digital camera. When I plug it in, Fedora automatically mounts the memory for the camera as a filesystem.However, because it is old and clunky, if I try to use its webcam functionality after this happens, it crashes internally and nothing ever happens.Even if I unmount the memory, still remains "crashed".I know that if the memory was never accessed, the webcam would work, as this is how it is on Windows, and also how it was in a previous release of Fedora, which didn't automount
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Dec 21, 2009
I'm trying to mount a filesystem when the system boots, so i won't need to mount it everytime..
So what I did was copying the line of the filesystem I wanted to mount on startup from /etc/mtab:
Code:
And pasted it as it is, in the /etc/fstab file. when the system booted, it didn't work. not only that, I wasn't able to mount the filesystem at all, (it gave me some kind of an error) so I removed the line from fstab file and it all back to normal. how can I mount this filesystem on boot? (i'm using Fedora 12)
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Jun 27, 2009
I have successful tar an existing CentOS 5.2 partition from Fefora10. The idea is to move a working CentOS 5.2 reside in an internal hard drive to a portable hard drive. I know how to edit a stencil in menu.lst to boot the clone CentOS5.2. During boot, I encountered
Red Hat nash version 5.1.19.6
mount: could not find filesystem /dev/root
setuproot: moving /dev failed No such file or directory
setuproot: mounting /proc: No such file or directory
setuproot: mounting /sys: No such file or directory
[Code]...
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May 5, 2011
How do I configure my Debian installation to mount external USB drives to mount points based on the volume names of the drives? For instance, if I have a thumb drive with the volume name of "SWORDFISH," how do I have Linux mount it at /media/SWORDFISH? I'm aware that this can be setup in FSTAB, but that requires that I know the UUID of the device beforehand and that I take the time to set each external device up in FSTAB first. That does nothing for me when I have a thumb drive that has never been plugged into my computer before.
This seems to be setup by default in Ubuntu/Kubuntu, but is not working for me with a fresh installation of Debian Squeeze and KDE4. I've spent the past 2 hours Googling for a solution and have turned up nothing. UPDATE: My results are inconsistent. Sometimes Debian mounts devices to mount points based on the volume names, and other times it gives them generic mount points (e.g. /media/usb1).
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