Ubuntu :: 10.04 Can't Mount Its Own Partition (/dev/sda1)
Feb 26, 2011
I turned on my laptop today and noticed a load of unfamiliar startup text so I knew something was wrong. Now whenever I startup my laptop, GRUB loads fine but when I try to start Ubuntu it says the following:
Quote:
mount : mounting /dev on /root/dev failed : No such file or directory
mount : mounting /sys on /root/sys failed : No such file or directory
mount : mounting /proc on /root/proc failed : No such file or directory
[code]....
so all I'm left with is this BusyBox command prompt. I'm on a live Ubuntu CD right now and if I try to mount /dev/sda1 either in the terminal (with the mount command) or with the GUI it just gets stuck.
Quote:
This will provide you with a list of your drives and partitions, you need to pick the one that your root file system is installed to, it will be something like /dev/sda1 but in my case I can't even mount /dev/sda1. When I run sudo fdisk -l heres what I get
Quote:
ubuntu@ubuntu:~$ sudo fdisk -l
Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders
[code]...
thats weird because I rebooted with a live Ubuntu CD and didn't even try to mount /dev/sda1 this time. The instructions were to then try to mount the drive from the GUI so heres what happens when I do that: it attempted to mount it for about a minute then gave me this error message When I tried again heres the error it gave me The problem seems to be that /dev/sda1 can't be mounted for some reason.
I don't know what that error message means and I don't know what else I can do to further diagnose /dev/sda1 and find out why it can't be mounted. Ordinarily I'd just reinstall Ubuntu but I have a couple of lab reports that I had saved on that partition so I'm in trouble if I can't figure out how to access the partition.
EDIT: At the end of that other thread someone recommends to use testdisk to recover the data from the partition. All I really need to do is get those lab reports back but I had them saved inside a Windows 7 guest on Virtual Box. Will this complicate matters a lot for me?
UPDATE: I tried to reinstall Ubuntu and it wouldn't work. Seems this is a bigger problem than I suspected. Does this mean my harddrive is corrupted? I can still use the Windows 7 partition but I take it that the Ubuntu installer not working is a bad sign.
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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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Jun 8, 2011
In a desperate attempt to play Tomb Raider, I have shrunk the /dev/sda1 with GParted in Maverick Live CD (the same one I used to install) then installed WinXP on it. Unfortunately for reason X, XP simply does not boot. So again I am in the Live CD, I have deleted the XP partition and am now trying to fix Grub2. In all the tutorials, you need to mount the normal partition. Which is what I am trying to do, but:
Code:
sudo mount /dev/sda1
mount: can't find /dev/sda1 in /etc/fstab or /etc/mtab
So there in nothing that I can do. Under "Places" I see my 489GB file system but I cannot mount it.
At least I am getting Internet through the Live CD and I always have Knoppix on hand.
EDIT: I should tell you that there is a boot flag on the /dev/sda1.
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Aug 21, 2010
The problem I'm having didn't seem to be covered in other posts. Despite following what is supposed to be a straigtforward method, I am still unable to mount /dev/sda1.
Using Ubuntu 10.04 LTS LiveCD - Lucid Lynx
sudo /bin/bash
fdisk -lDisk /dev/sda: 250.1 GB
Disk identifier: 0xa08ea08e
Device Boot Start End Blocks Id System
[Code].....
I find it strange that fdisk sees the drive but mount doesn't.
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Jun 23, 2010
Found a raw device for my card when reading through the /proc/partition list but got a "no device" message when mounting the card - mount -t vfat /dev/sda1 /var/card though there is sda in the list.How to know if sda1 exists?
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Jul 23, 2010
I am using an embed linux application and trying to mount a USB device. The USB worked fine in windows. I then put it on my Linux box formatted (I hope correctly) And then tried to do the following to mount it
Code:
Disk /dev/sda: 4040 MB, 4040748544 bytes
255 heads, 63 sectors/track, 491 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
[code]....
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Nov 5, 2009
I have tried to mount Sda on my laptop HP dv6 and I have got this problem [root@cpe-74-71-125-175 ~]# /dev/sda1 /mymount/win ntfs-3g rw,umask=0000,defaults 0 0 bash: /dev/sda1: Permission denied
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Nov 9, 2009
I have a question about LVM. My /dev/sda disk is partitioned into Windows NTFS on sda1, Linux /boot partition on sda2, and the Fedora 10 root (/) LVM partition is on sda3. I have moved my Windows XP to VMware on the Linux system and would like to add the sda1 partition to root LVM group.
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Jun 27, 2010
I have installed oracle enterprise linux on VM ware with 20 gb allocated to guest OS. Now I want to install oracle apps in the guest Os, so I need to extend the volume. I have extended in Vm , but I have to partition in the guest OS, for that purpose I am using Gparted. But I am unable to extend to sda1. I need to have all the unallocation space allocated to sda1. Here is the screen shot, how can I do that. Right now when in press the command df -h in terminal I am gettig 18 gb as space available for sda1, I want to make it 200 gb, in which I would like to install oracle apps. Check out my screen shot.
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Jul 23, 2010
I've dual booted Ubuntu and Windows for years now and I've installed OSx86 on a separate drive which Grub2 picked up automagically and everything has been working great -- except I'm out of space. So I bought a 1.5 TB drive and installed win7 into sda1 (100MB NTFS bootloader for windows) and sda2 (50 GB NTFS windows drive). I now want to install two or three flavors of Linux. I'm thinking Ubuntu 10.04, Debian 5.05, and (if I'm bold enough) gentoo. each in 50GB partitions. I've already partitioned the drive a bit putting a 1.2 TB shared NTFS partition at the end (sda10), and a 2 GB swap parition just before that(sda9) My questions are:
(1) can all my linux distro's share that 2GB swap, or does each need it's own dedicated swap partition (installers generally assume you do)?
(2) can I re-partition space in the middle of the drive without messing with windows(sda1&2) and the shared part. (sda10)?
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Apr 1, 2011
I am running a Postgres server and after I did the whole installation I realized the Postgres data was set in /usr/pgsql/data. Sda1 is just 10 Gig so I decided to re-organize the partitions to be able to move /usr to say /dev/sda7 with a mount point as /usr. The / partition is on the only primary partition and the rest is on an extended partition. When I tried to resize the primary partition GParted did not give me that possibilty so I decided to move /usr
Original partitions:
sda1 / 10 G on primary partition this includes /usr /var and all others
sda5 swap 2 G on extended partition
sda6 /home 140 G on extended partition
So I did create another partition using Knoppix and Gparted the disk:here is the new picture:
sda1 / 10 G on primary partition this includes /usr /var and all others
code....
I did rsync to copy all the file to /dev/sda7/usr and then mv /dev/sda7/usr* /dev/sda7. I stop the postgres database and services then I mv /dev/sda1/usr to dev/sda1/poufusr . When I rebooted it reports errors from kbd files on /etc File not found. It brings me to a terminal (No GUI) I did a check with :#mount: nothing is reported about sda7
What am I missing ?
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Mar 1, 2010
I have just installed a new version of fedora 12 64bit and have setup the following drive configuration -
Code:
But for some reason I am getting dm-1 and dm-3.
How can I change the array so it contains the normal /dev/sda and /dev/sdb disks and partitions?
Why is the system telling me my drives are dm devices? I have no bios raid features on the motherboard.
How do I use md-1 and md-3 partitions?
How do I go back to the traditional /dev/sda and /dev/sdb devices?
By the way the system tells me that /dev/sda1 and /dev/sdb1 do not exist.
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Jun 24, 2010
what now trying to mount partition get this error this is the partition ubuntu 9.10 is installed on and upon reboot error no device with a long string. mount: can't find /dev/sda6/mnt in /etc/fstab or /etc/mtab
so now that I believe I've successfully mounted the partition how do I direct the bootloader to this partition /dev/sda6 on /media/11076e45-e27d-470b-bb6d-6894f7809a0c type ext4 (rw,nosuid,nodev,uhelper=devkit)
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Jan 2, 2010
I've just bought a HP mini compaq laptop. The laptop doesn't have any CD/DVD "reader". So i was forced to download the .iso file to install ubuntu in addition to Windows XP that was present when i bought it. To do so i used UNetbootin, and i used my only hard disk as a live CD. But when i wanted to install ubuntu, they told me to create a partition. The problem is that i can't. I have only one partition sda1(nfst) which covers the whole stockage memory, and an empty space(8Mo). I can't acceed to any of the resizing or modifying options to edit the nfst partition. The only options are manage flags and umount. When i click on this one, they tell me : # umount /cdrom : cdrom is busy.
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Mar 12, 2010
is there a way to mount another partition on any OS really, and then in a window in the current os, boot and run that partition?
for example, im in Ubuntu and i mount my seperate arch-linux partition. then via some magical software, boot it and run it in a window, so now i am in ubuntu checking my email, and simultaneously in archlinux on facebook in a commandline using links or something.
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Jan 10, 2010
I'm experiencing something pretty weird with single partition of a physical disk that contains other partitions. I have observed twice already that after a boot that particular partition is not available, i.e. it does not appear to be mounted. When I tried to manually mount that partition, I got the message "not mounted or device busy". Unmounting the device showed that it was actually not mounted, although I cannot fathom what would keep the device busy. It is the only partition on that physical disk that has this problem, which is good because my root partition is also on this disk.
The first time I had this I tried rebooting a couple of times (after, unsuccessfully, trying the manual mount) and it seemed to work. The partition became available again.This time I was still busy googling for it when suddenly the partition became available, i.e. it had mounted. After a reboot it stayed that way.As I am unable to comprehend this and quite convinced that it will pop up again in the future, I wonder if someone else has seen this or knows what is going on.All partitions are formated as ext3 and I'm currently running karmic (clean install), although the offending partition has not been touched since 8.04. My machine is a Dell Studio 17 laptop.
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Jan 13, 2010
When I try to boot I get this error message:
Gave up waiting for root device. Common problems:
- Boot args (cat /proc/cmdline)
- Check rootdelay= (did the systemwait long enough?)
- Check root= (did the system wait for the right device?)
-Missing modules (cat /proc/modules; ls /dev)
ALERT! /dev/disk/by-uuid/c946b41f-2f8f-4a28-8478-11a50d6fc0e8 does not exist. Dropping to a shell!
Booting from my 9.10beta livecd sudo fdisk -lu shows my root partition (sda5) but blkid doesn't, and there's no way to mount it.
I know similar questions have been posted before but they all involve using fsck or e2fsck, which don't work with my ext4 filesystem.
FYI Acer Aspire 7535G Kubuntu 9.10 AMD64
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Jun 6, 2010
i have an ntfs partition that i want to mount. before 10.4, all i had to do was add:
Code:
/dev/sdb2/media/Sharentfs-3guser,auto,locale=en_US.utf800
to the fstab, and it would be mounted on startup, but now i can't do that. when i try to
[code]....
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Jun 19, 2010
I was reading this about setting up boot partition to not mount automatically. [URL]
Quote:
Some users don't want their /boot partition to be mounted automatically to improve their system's security. Those people should substitute defaults with noauto. This does mean that you need to manually mount this partition every time you want to use it. Add the rules that match your partitioning scheme and append rules for your CD-ROM drive(s), and of course, if you have other partitions or drives, for those too. Now use the example below to create your /etc/fstab: how to set up a boot partition.
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Aug 6, 2010
I tried
Code:
sudo mount /dev/sda2
but it doesn't work. i tried
Code:
sudo mount device /dev/sda2
, nope. what are the commands?
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Oct 28, 2010
1- Do I have to mount each partition after each boot? Is there an automated mounting the partitions?
2- Can I have a "My computer" icon on the Desktop?
3- There's a problem that occurred just now.. Yesterday I connected to another monitor, Today, after logging in - using the laptop display -, the icons on the task bar are shifted to the left.. Here's a snap shot.
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Feb 6, 2011
On startup my computer tries to mount a partition which I deleted (called Misc) and combined with the space of another. I get this message:Quote:The disk drive for /media/Misc is not ready yet or not supported. Continue to wait, or press S to skip mounting or M for manual recovery.I also notice that the folder for the drive is still listed in nautilus. How do I get rid of it once and for all?
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Feb 10, 2011
probably few days ago my computer suddenly get switched off during the system boot and now I cannot mount the partition with ubuntu and ALL MY FILES.
If I try to boot this is the result:
Code:
And If I try e2fsck /dev/sda1, it refuse to run stating "Device or resource busy while trying to open /dev/sda. Filesystem mounted or opened exclusively by another program?" How can I recovery my data at least?
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Feb 24, 2011
Is there a way to fix a partition that wont mount?
When I boot into Ubunutu I am told that the shared partition (which I called Storage on my shared NTFS D Drive) wont mount.
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Mar 23, 2011
im looking for a command for mounting an ntfs partition. what i want to do is to put that command to the "after startup applications" option. that's because that ntfs partition is my storage partition, i play steam games [win7 dualboot, thats why that partition is ntfs], download movies etc. in my places menu, its called 190GB Filesystem, and when i click it, it mounts up. but that means i have to click it everytime i boot up, because vuze can't locate the files if it isnt mounted.
by the way : /media/7C1EE4E21EE49684 when its mounted
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May 17, 2011
I keep a separate partition for files and folders which I absolutely need for my college work. (I do this because I had accidentally wiped my /home partition while upgrading Linux before)
Anyway, I want to know how to mount this partition at boot automatically .. I know I am supposed to append an entry to /etc/fstab but I am a lil apprehensive about doing this without a go-ahead from users here.code...
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Jun 18, 2011
I have a 3T hitachi hard disk partitioned by Windows 7 and formatted as NTFS that I'm unable to mount under Ubuntu 11.04. The disk is in an external enclosure connected via USB2. Windows 7 has no problems seeing the partition and mounting the drive.
[Code]....
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Aug 20, 2010
Usually if I want to do a fresh install I just wipe the disk, but this time I really want to keep my home partition and overcome a libwnck bug that can only be beaten with a fresh installation.
So I need to completely replace 10.04 on partition 1 (root) and link it to partition 2 (home). How do I do this?
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Feb 7, 2011
i'm having quite the time trying to automount both my windows partition and sd card on boot. when i go into pysdm, it shows that sda1(windows) is actually sdb1(which is my card) so my windows partition wont ever automount! heres a pic along with my fstab:
Quote:
# /etc/fstab: static file system information.
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc
[Code]....
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May 9, 2011
I was dual-booting Ubuntu (10.10) and Windows 7. I installed Backtrack in addition to these 2, and the Ubuntu GRUB was replaced with the one from Backtrack.
Now when I boot, only Backtrack and Windows 7 are listed in GRUB. When I run fdisk from Backtrack, I see all partitions, and running a Partition Manager lists the Ubuntu partition as a Linux partition. However, the partition manager says that it is unable to read the contents of the partition, and that it is unable to re-read the partition table.
Also, the Ubuntu, Backtrack, and Linux Swap partition are all listed under the same Extended partition.
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