Ubuntu :: Sda1 And Sdb1showing As The Same?
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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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 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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Jan 8, 2010
I am in 9.10 LiveCD , low-level formatting an HD from another computer, but when i did# dd if=/dev/zero of=/dev/sda1 dd does something , but at 413 MB stops
root@ubuntu:~# dd if=/dev/zero of=/dev/sda1
dd: writing to `/dev/sda1': Input/output error
806433+0 records in
[code]....
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Mar 16, 2010
I'm setting up my menu.lst for GRUB Legacy (downgraded from GRUB2 in 9.10) and I'm just having difficulty getting my head around converting the /dev/sda1, sda2 etc to hd(0,0), (0,1).
My partitions are as follows:
sda1 = Windows XP (ntfs primary partition)
sda2 = Windows Vista (ntfs primary partition)
sda3 = Linux boot (small ext2 primary partition)
sda4 = extended partition
sda5 = Windows XP second different installation (ntfs logical partition)
sda6 = Ubuntu 9.10 root (ext3 logical partition)
sda7 = linux-swap (swap logical partition)
As I said, I am trying to set these up in GRUB, but cannot work out what all the hd(0,x) equivalents are. I *thought* it was just a case of subtracting 1 from the sdax number, but it doesn't appear to be that way.
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Jun 16, 2010
I have 2 hard disks, one is full and I would like to move my /usr directory from sda1 to sdb1.
I tried the following..
sudo mkdir /driveb
sudo mount /sdb1 /driveb
cd /driveb
sudo mkdir /usr
sudo cp -b --copy-contents -r /usr /driveb/usr
code....
I don't fully understand the difference between a directory and a mount point and I may be treating them wrong.
I would like /usr to point to sdb.
is it possible, or should I try to change my path instead and ignore this problem?
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Dec 1, 2010
I'll avoid the details of what got me here and get right to the point.I have two primary partitions on 1 hard drive. sda1 is my fat32 recovery partition and sda2 is my ntfs windows xp partition. I need to know how to change the order around so xp is sda1 by using the terminal in the ubuntu live cd.
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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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Mar 25, 2010
When, from the live cd I try to execute
Code:
e2fsck -y /dev/sda1
All i get is:[code].......
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May 5, 2010
I'm trying to install Lucid on a computer with windows already present. When I ran trough the install procedure no drives show up at the partitioning stage. So I check some things out and it turns out that /dev/sda1 is mounted to /cdrom and I can't umount it because it says the disk is in use. I'm booting with the live-cd downloaded from ubuntu. Why is this happening? Previously with older live-cd's I always have to mount the HD manually if I wanted to access it for any reason?
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Jun 5, 2010
I tried to update my system from 9.10 to 10.04 but when the system boots it says that it can not find the symbol for grub_puts_ and drops me into grub rescue.
I have a live disc and have been trying to get grub to reinstall following the advice from different websites and forum threads. It seems that everything goes smooth until I get to the part where you run update-grub. At that point I get the following:
/usr/sbin/grub-probe: error: cannot find a device for / ( is /dev mounted?).
My configuration is as follows:
windows is loaded on /dev/sda1. fdisk -l lists this partition as bootable.
linux / is loaded on /dev/sdb1
/usr is loaded on /dev/sdb5
/var is loaded on /dev/sdb6
/home is loaded on /dev/sdb9
[Code]....
this is where I have problems. it says: /usr/sbin/grub-probe: error: cannot find a device for / ( is /dev mounted?).
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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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Oct 15, 2010
I've reinstalled Grub2 multiple times before, but Ubuntu was on /dev/sda1, now it is not. Here is my partition table:
/dev/sda1 - 105GB - Windows
/dev/sda2 - 200GB - Extended
/dev/sda5 - 110GB - Media
[code]....
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Oct 25, 2010
I have had the same problem of /dev/sda1 becoming full and have been able to fix it with the commands:
sudo apt-get clean
sudo apt-get autoremove
sudo dpkg --configure -a
sudo apt-get update
sudo apt-get upgrade
But this time I am still unable to free significant space. Here is the output of various commands.
df -h
/dev/sda1 5.6G 5.4G 0 100% /
varrun 498M 108K 498M 1% /var/run
varlock 498M 0 498M 0% /var/lock
udev 498M 76K 498M 1% /dev
[Code].....
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Dec 31, 2008
I have two large HDD's in my windows based system. Of course I partitioned them and such (by the way the OS is XP Home) I decided that i would like to try Ubuntu so set up a live CD of version 8.10. now I used the install directions on the disk and installed onto a external 500 gig HDD.Now I can't boot to XP and I get GRUB errors. Some times iit's error 17 sometimes it's 21 . I try using the command terminal ...sudo ms-sys /dev sda1 (my boot-able NTFS disk) but I get "Unable to open -m/dev/sda1, No such file or directory"
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May 28, 2010
I was upgrading from 9.10 to 10.04 and now my HDD can't boot at all to the 2.6.34-rc6 kernel, I get dumped to the busybox shell, and when I select the 2.6.30.9 I get "The hard drive for / is not ready or not present."
I can see the drive fine with fdisk -l, /dev/sda1 is my HDD, but when booting something isn't working right. Also, is there a way to make GRUB 2 automatically show the menu so I don't have to hold down the shift key?
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Jun 28, 2010
My problem: 1GB-capacity dev SDA1 got filled up to 100% and made system unusable in less than one month. No downloads or updates were made during this period of time. I don't know which files/programs would be safe to delete since it all seem to be system files.
Here is a screen-shot that might shed some light on what is happening
[URL]
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Jan 8, 2010
I had an interesting problem with my workstation this morning. When I booted the system I got a message that the sda1 filesystem was corrupt. I ran fsck on all the unmounted filesystems and found them to be clean. I then booted from the F12 live CD and checked the file systems again using 'Disk Utility' - everything appeared to be clean. However I still couldn't boot the system. I eventually reinstalled F12 from the Live CD.
Seems to be a bit strange as all the checks I ran showed the file system to be OK.
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Oct 27, 2010
I am just wondering if I have a HDD with several partitions, sda1, sda2, sda3, sda4. SDA is how Linux understund entire HDD, and sda1 is the first partition. But the question is if first 512 bytes of sda1 are the same as first 512 bytes in sda.
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Jan 25, 2010
I used GParted to delete my first partition,then moved my second partition to the beginning of the disk. That all went well, but the partition table still shows an unused entry of 0 blocks listed at partition 1. How do I get rid of that entry and make my old second partition sda1?
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Apr 7, 2011
I am trying to access another partition on my drive through the command prompt. I have tried to access it through the /dev directory but when I input "cd ./sda1" or "cd /sda1" it says no such file or directory.
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Jul 3, 2011
Ubuntu 9.1 is installed in sda1, however, while creating a separate boot partition an error occurred and now I can not boot sda1. I get the message load kernel first. I have tried without success to learn to load a kernel.
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May 22, 2011
I used OpenSuse 11.2 and tried to update it to 11.4 from iso, choosing "update" in the installation dialogue. It went ok, but at first boot something failed and I got the following:
"
doing fast boot
FATAL: Module amd74xx not found
FATAL: ide_pci_generic not found
[code]....
Like this. Then if I choose Y, it starts up to the login screen, but the image is blurry and unreadable. It even logs in, but the desktop is still unreadable. When I choose to boot "failsafe" mode, it boots normally, all graphics look ok. What could I do to boot normal system? I have never experienced any problems like this with Suse 11.2. If I go to the console and type mount /dev/sda1 from failsafe boot, it returns "according to mtab, /dev/sda1 is already mounted on /" I have AMD Athlon Dual Core 4850e and nVidia GeForce 6150SE, Suse is the only OS installed.
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Nov 30, 2010
Here is the output of disk free space
# df -k
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/mapper/VolGroup00-LogVol00 940287756 3320512 888432924 1% /
/dev/sda1 101086 21142 74725 23% /boot
tmpfs 7730504 0 7730504 0% /dev/shm
/dev/sdb1 2884158292 74736 273757667 1% /data
Now,I wanna add a large amount of memory in sdb1 to sda1 to increase the available memory.Is there a way I can do this?
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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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May 25, 2010
I have a Maxtor external storage HDD with firewire (1394) interface.
When I connected it with my computer, which is running an up-to-date Debian squeeze, it was recognized as "/dev/sda1" and replaced the existing partition on the computer.
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Dec 7, 2010
I used kernel 2.6.5 in vmware I copied new kernel 2.6.37 image and initrd from other machine,to replace the current one after reboot,the initrd.img can be loaded,but soon it report "/dev/sda1 not found, waiting for I need to do anything in initrd.img to make it recognize "/dev/sda1" device? /dev/sda1 is vmware scsi disk.
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Apr 3, 2011
Last night, OSSEC sent me some warning emails related to bad hard disk:Code:Apr 3 20:26:58 207 kernel: sd 0:0:0:0: SCSI error: return code = 0x06000000
Code:
Apr 3 21:57:52 207 kernel: EXT3-fs error (device sda1): ext3_get_inode_loc: unable to read inode block - inode=299533439, block=599064613
[code]....
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Feb 12, 2010
I'm trying to figure out what this process is that pops up when I run PHP Code:
top -i
every few seconds
PHP Code:
jbd2/sda1-8
The best info I've found so far says it might be something to do with ext4 journaling, but I've never seen this before. I'm running 2.6.33-rc5 if that might have something to do with it. Further the process hasn't been popping up for the last 10 minutes or so, but previously it was occuring every 2 or 3 seconds repeatedly for a minute or so.
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Aug 6, 2010
I have windows on dev/sda1 taking up the full disc.I have set up on my second diskQuote:
sdb1 ubuntu root
sdb2 ubuntu home
sdb3 linux swap
[code]...
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