Ubuntu Installation :: Can't Mount Reformatted Ext3 Disk?
Apr 7, 2010
I'm fairly new to Ubuntu and I'm running Karmic Koala. I just reformatted an NTFS partition to Ext3, as I no longer need to access is from my windows installation. Now I'm unable to mount it though, and I get the message: Error mounting: mount exited with exit code 1: helper failed with: mount: only root can mount /dev/sda6 on /media/DATA2 (DATA2 being the name of the previous NTFS partition. Now the label is linuxdata)
When I try to mount it using sudo in terminal I get the following message if I use the label DATA2:
NTFS signature is missing.
Failed to mount '/dev/sda6': Ogiltigt argument
The device '/dev/sda6' doesn't seem to have a valid NTFS.
Maybe the wrong device is used? Or the whole disk instead of a
partition (e.g. /dev/sda, not /dev/sda1)? Or the other way around?
And if I use the label linuxdata: mount: can't find /media/linuxdata in /etc/fstab or /etc/mtab I've tried to search for help, but been unable to find an explanation.
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Jul 7, 2011
I need to copy data from a single HD, which used to be part of a Linux RAID 1. I've googled around, but can't find any clue how to mount partitions from this single HD.
Background: The HD comes from a linux based NAS box Synology DS207+. The NAS uses ext3 as filesystem. Both NAS disks are fine, but the other NAS hardware is dead and not worth repairing or replacing.
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Feb 16, 2011
Running PCLinuxOS 2009. I had a partition formatted with ReiserFS. I was trying to create a large file (a clone of a VirtualBox .vdi file) and it kept stopping me at 2GB, so I decided to reformat with ext3.
a) I deleted or moved all data
b) sudo mkfs -V -t ext3 /dev/sda11
c) sudo e2label /dev/sda11 VDIBKP
This appeared to have worked:
$ sudo blkid /dev/sda11
/dev/sda11: LABEL="VDIBKP" UUID="f80616fa-147b-4810-aa6d-3b7c236a4cfb" SEC_TYPE="ext2" TYPE="ext3"
[Code]....
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May 13, 2010
I want to format an USB disk with ext3. If I do this with gparted, it will be formatted, but I cannot write to it. Reading is no problen, at least it shows the lost+found folder. I guess its a problem with access rights. It would be sufficient if user "papa" would have access on one ubuntu karmic machine. But I cannot solve this graphically. The purpose of the operation is to be able to copy my /home directory onto the USB disk as a backup, before I upgrade to the current version of Ubuntu. FAT32 is no option as some files are too long.
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Feb 19, 2010
I attach a picture of my future disk partitioning,as I thought it should be. As you can see, the first two partitions are 2 different windows installations. At the end of the disk, I have specified a partition as ext3 104855 MB (sda9) and swap 8192 MB (sda. What should the the mount point of sda9 be? Should I specify a partition for /, /boot, /home, /tmp, ...etc? Or it is ok to make mount point '/'?
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Oct 10, 2010
I have a 2 TB disk in an external SATA dock, formatted with a single ext3 (Linux) partition, which doesn't show up in the Windows 7 Computer Management->Disk Management utility, even as a raw/blank disk. I've verified that there's nothing wrong with the disk by connecting it to my Linux machine and mounting it, and I've verified that the dock is functioning properly by connecting a different FAT32-formatted disk, which mounts flawlessly as expected.I realize that I can't actually read the ext3 partition without additional software (e.g., Ext3IFS), but why doesn't the disk show up at all? Is there some sort of stupid anti-Linux filter built in? Is there any way to force Windows to recognize the disk, so that I can at the very least use direct block access with it?
Background: I want to clone an identical 2 TB disk onto this one. Due to my hardware layout, it's much easier to have the source disk attached to one machine and the destination disk connected to another, and do the clone over the network (the network is not a bottleneck with switched gigabit ethernet), than it is to hook them both up to one machine.(1) I did this once before when both machines were running Linux, but I've since upgraded the destination machine and decided to switch back to Windows for regular desktop use. I've got Cygwin installed, and have verified that the same basic method (dd + nc) will work, but I can't do anything if Windows doesn't even consider the destination disk to exist.I only have one eSATA port on each machine. Opening them up just to do this clone is a rather large annoyance. Also, since this is my backup disk, I'd like to eventually automate the cloning from the active disk to another one that I regularly swap with a third disk that I store off-site.
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Feb 4, 2010
OS: Debian unstable 32bit, kernel 2.6.32-2, grub 1.98 from late january 2010 (only have working net-access from work now, so I am grabbing information from memory). EXT3 and EXT4 support is compiled into the kernel along with chipset/scsi/sata support (not as modules), and I have tested to boot ext3 with it before proceeding. Prereq: my old disk started to have too much S.M.A.R.T errors, so I bought another one, put in a USB cabinet, added swap and ext4 partition/filesystem to it, and copied over all data from the old system to the new that was mounted at /dest using the command "find ./ -xdev -print0 | cpio -paV0 /dest". Swiched disks, so I now have the ext4 disk sitting at /dev/sda (partitions: sda1 => ext4, sda2 => swap), and booted into rescue-mode from cdrom, using /dev/sda1 as root with a shell on. After doing this, I performed the following commands:
mount --bind /dev /dest/dev
chroot /dest
modified the /etc/default/grub to instruct the kernel to boot using ext4, ran grub-install --recheck /dev/sda
ran update-grub to modify /boot/grub/grub.cfg (which looks as it should) After doing this, grub finds my partition and mounts it. It however stalls with the message: "warning: unable to open an initial console" and does nothing after this point. I have no ramdisk, but my old kernel booted fine from ext3 (and still does if I copy it to a ext3 partition), and since the ext4 support is compiled into the kernel - should I really need a ramdisk?
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Jun 6, 2010
I created a encrypted volume on top of software raid1. These are my steps:
1. Create logical partition on sda
2. Create logical partition on sdb (same size)
3. Change type to partition to 'fd' for both partitions
4. Check that the both partitions are same size and type
fdisk -l /dev/sda && fdisk -l /dev/sdb
5. partprobe
6. Make sure there are no remains from previous RAID installations on /dev/sdb by running:
mdadm --zero-superblock /dev/sda6
mdadm --zero-superblock /dev/sdb6
7. mdadm --create /dev/md4 --level=1 --raid-disks=2 /dev/sda6 /dev/sdb6
8. watch cat /proc/mdstat
9. update mdadm.conf
mdadm --examine --scan | grep mdx >> /etc/mdadm.conf
10. Load twofish module
[root@localhost ~]# modprobe twofish
11. # cryptsetup -y -c twofish-cbc-essiv:sha256 create ftdata /dev/md4
Enter passphrase:
Verify passphrase:
12. mkfs.ext3 -b 4096 -R stride=8 /dev/mapper/ftdata
13. mkdir /ftdata
14. Mount the encrypted volume: mount -O noatime /dev/mapper/ftdata /ftdata
It mounts successfully this first time. When I cd /ftdata, I can see the lost+found dir
Now, I unmount the volume
cd ~
Code:
umount /ftdata
cryptsetup remove ftdata
And now, if I try to setup my encrypted volume like this:
Code:
[root@localhost ~]# cryptsetup create ftdata /dev/md4
Enter passphrase:
mount -O noatime /dev/mapper/ftdata /ftdata
I get this error:
mount: you must specify the filesystem type
[Code].....
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Jun 6, 2010
I created a encrypted volume on top of software raid1. These are my steps:
1. Create logical partition on sda
2. Create logical partition on sdb (same size)
3. Change type to partition to 'fd' for both partitions
4. Check that the both partitions are same size and type fdisk -l /dev/sda && fdisk -l /dev/sdb
5. partprobe
6. Make sure there are no remains from previous RAID installations on /dev/sdb by running: mdadm --zero-superblock /dev/sda6 mdadm --zero-superblock /dev/sdb6
7. mdadm --create /dev/md4 --level=1 --raid-disks=2 /dev/sda6 /dev/sdb6
8. watch cat /proc/mdstat
9. update mdadm.conf mdadm --examine --scan | grep mdx >> /etc/mdadm.conf
10. Load twofish module [root@localhost ~]# modprobe twofish
11. # cryptsetup -y -c twofish-cbc-essiv:sha256 create ftdata /dev/md4 Enter passphrase: Verify passphrase:
12. mkfs.ext3 -b 4096 -R stride=8 /dev/mapper/ftdata
13. mkdir /ftdata
14. Mount the encrypted volume:
mount -O noatime /dev/mapper/ftdata /ftdata
It mounts successfully this first time. When I cd /ftdata, I can see the lost+found dir
[Code]....
So why is it that I can't mount my encrypted volume after the first time? I am giving the correct password when it asks to.
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Apr 27, 2010
I have a Western Digital World edition II network HDD, but somehow I have lost the Media folder..I have also read http://foremost.sourceforge.net/ is a very great recovery tool in ubuntu, is this true?So I have pull out the HD from the western digital NAS case and put it into a USB enclosure.Anyone can teach me how to mount this driver?To look for device boot namesudo fdisk -lBut how to look for the mount_point_dir?sudo mount /dev/sdc4 [mount_point_dir] -t ext3
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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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Aug 10, 2011
I have bought a ICYBOX IB-NAS4220-B a while ago and kept getting issues with it (going down and not restarting, very slow etc). 2 weeks ago one more issue arose and I couldn't restart or reconnect to the box so decided to take the disks out and recover my data to a 5BIG Lacie. The IcyBox uses a software RAID1 and format drives in EXT3. Being a Linux system I thought I could easily recover data from an Ubuntu box so installed the latest version as CD boot wouldn't give me satisfactory results. I am now stuck with both 1TB drive plugged into my Ubuntu machine and can't seem to be able to mount the drives.
[Code]....
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Jan 20, 2010
I just made a new storage partition and formatted it as Ext3. Now, this particular partition is shown and can be read at the terminal "fdisk -l". However, unlike in my Mint 7 partition, it does not show in my Fedora 10.
Code: [jun@localhost ~]$ sudo fdisk -l
[sudo] password for jun:
Disk /dev/sda: 250.0 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0xc5e3f820
[Code]....
This partition can also shows be seen in gparted in Fedora. However, even in the "Places" tab, it does not show.
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Mar 1, 2010
I have a external usb 20Gb hdd. It was a ntfs partition but i could'nt mount it, so I try with a ext3 partition, because with centos it's mount automaticly, but... for some reason that I don't know, even with a ext3 partition my centos don't detect my external usb hdd, howerver I already try to mount it on ubuntu to see if it work, even on windows with some programm to recognize ext3, it was alright, but why can't i mount it on my centos?
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Apr 30, 2010
well yesterday I upgraded my karmic to lynx. So far so good, overall much improved plus I love the new theme. Now the problem, I share my Firefox/Thunderbird profile (stored in my secondary HD) with WinXP (dual boot box). Since karmic, before I opened Firefox/Thunderbird, I had to mount the 2ndary HD which of course prompted me for a password and then everything worked fine. In case I forgot to mount the disk then Firefox popped the following msg: Firefox is either opened or in use.Now, lucid strangely mounts my HD without a password, more peculiarly I have r-w-e permissions and on top of that Firefox/Thunderbird gives me the silly msg!
Tried to unmount/mount back but still no password. I end up believing that this Firefox hesitation to start (based on karmic experience) is related with the password thing...or not?
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Jan 6, 2011
I recently installed Linux to run a few Linux based tools on a disk images I have, and I can't seem to copy the disk image over to my ext3 partition.
The particular distibution I'm using is BackTrack 4 r2, which is Ubuntu based. I can't seem to find specifically which version of Ubuntu is being used. The disk image is 108GB. It is currently located on a NTFS partition on a SATA hard drive connected directly to the computer. The ext3 partition is located on a second SATA hard drive connected to the same computer. It has 200GB total. I do not remember exactly how much free space it had but "df -h" showed a lot more than 108GB. The computer has 4GB of RAM and I gave it 8GB of swap space.
At this point it has been running for more than 12 hours. This is far longer than I would expect it to take had I been copying the file under Windows. How ever I do not have much experience with Linux, so if it's supose to take this long please let me know. I am planning on letting it run until I wake up tomorrow.
"cp -v" hasn't been very verbose at all. The only sign I have that indicates the computer is still trying to do something is the HDD light on my chasis that has stayed lit this whole time.
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Jun 14, 2010
I have a NAS from WD that runs some stripped down flavor of linux. The NAS has one USB port at the back which can be used to expand the storage. If I plug in an external disk formated in either NTFS or HFS+ then the system automatically mounts the disk and shares it over samba. If I plug in a disk that is formated in ext3, the disk is recognized but that's about it. It doesn't mount or get shared or anything. I have tried asking WD about this and I have tried asking google. But after two days of searching I am turning here for some more expert advice.
Here is what I've managed to figure out so far.
If I check dmesg before and after plugging in the ext3 usb disk I have found out that these lines are added to the log:
Code:
I have tried googleing those last two lines but I haven't found any info that I can make any sense of.
If I run the command "mount -a" I get the following messages from the shell: "mount: Cannot read /etc/fstab: No such file or directory"
Hover I am able to mount the ext3 disk manually. First I get this info from fdisk
Code:
And then I run these two commands:
Code:
This makes the usb disk visible in the shell, but since this is a NAS, it is kinda useless as long as it doesn't show up in samba.
Since I'm pretty new to linux I don't know what to try next so I'm hoping for some advice as to what I can do to make the ext3 usb disk automount.
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Jul 15, 2009
I'm trying to mount a second hard drive as a ext3 (rw_acl,user_xattr). I type the ff.:
# mkfs.ext3 -c /dev/sdb1(it seems to create a file system from this 2nd HD)
then type:
# mount -v /dev/sdb1 / type ext3 (it seems to mount it)
But when I check the ext3 systems with typing:
# mount -t ext3 (to check the list of ext3 devices, it gives me this)
/dev/sda1 on / type ext3 (rw,acl,user_xattr)
/dev/sda2 on /home type ext3 (rw,acl,user_xattr)
/dev/sdb1 on / type ext3 (rw)
How can I make /dev/sdb1 on type ext3 as (rw,acl,user_xattr) as the others?
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Jun 22, 2010
how to mount ext3 file system with direct i/o.on AIX has dio mount option to use direct i/o and solaris too.
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Jul 1, 2010
I am student of MCS and working on final project. I am the user of windows xp. I am new in Linux. I am working on a project that titles "Hard disk data Recovery of ext2 and ext3 in linux". In windows, including dos.h and bios.h header files in program of c language I can send interrupt to bios and access most of the devices like parallel port, hard disks etc. But problem is that there is no bios.h and dos.h files in gcc. Now how can I access my hard drive using c program. How can I call int13h interrupt in linux or there is any other function in the linux to access the hard disk. In fact I want to access sectors of my hard disk using c language program. How can I do it?
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Mar 9, 2009
Background for the problem:
A. I have partitioned my WinXP LTop into:
--- WinXP NTFS partition
--- a vfat partition (mounted onto /fat32)
--- Installed F10 on ext3 virtual partition
B. I do not want install grub-loader in the Master Boot Record (that would loose my WinXP boot-loader for ever)
C. I have installed grub boot loader in the First Boot Sector
D. Now I have to boot using Rescue Mode, do:
1. dd if=/dev/sda2 of=/fat32/linux.bin bs=512 count=1
2. mount -t ntfs /dev/sda1 /ntfs
3. cp /fat32/linux.bin /ntfs
4. modify /ntfs/c/boot.ini and introduce the statement 'c:linux.bin="Linux"'
Problem: Im not able to do step D.2 above.
Symptom:
** after booting linux using the Rescue Mode: sh-3.2# chroot /mnt/sysimage sh-3.2# uname -r 2.6.27.5-117.fc10.i586 sh-3.2# mount -f ntfs /dev/sda1 /ntfs FATAL: Could not load /lib/modules/2.6.27.5-117.fc10.i586/modules.dep: No such file or directory ntfs-3g-mount: fuse device is missing, try 'modprobe fuse' as root
sh-3.2#
Observations:
* The rescue mode boots into i586 based kernel (I dont know what is the actual difference between i586 and i686 - will really appreciate if anyone can educate me about it). * The installation is only a i686 image and consequently there is *only* '/lib/modules/2.6.27.5-117.fc10.i686' dir and *no* other dir. There is no dir as xxxx.fc10.i586.
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Nov 25, 2009
Running Debian Squeeze, I used gparted to wipe the fat partition on a 8GB USB thumbdrive, and repartitioned it with ext3. Everything goes fine, and gparted and fdisk -l both show the correct partition, but I can't seem to mount it, and automount in gnome fails as well.code...
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Jul 26, 2010
mount: error 6 mounting ext3pivotroot: pivot_root (/sysroot, /sysroot/initrd) failed:2Remounting defs at correct place if necessaryMounted defs on /devFreeing unused kerbel memory: 272k freedKernel panic: No init found. Try passing init=option to kernel
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Mar 24, 2011
I have suddenly lost a lot of free on my new Fedora 14 install.
To keep the story short, here's what disk usage looks like on my home: image
As you can see, home takes 100% but only 34% are actually occupied.
When entered as a root du | sort -nr > out.txt
Code:
81126756.
28141892./VirtualBox VMs
21462488./VirtualBox VMs/Win7
5244308./VirtualBox VMs/WinXP
[Code].....
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Mar 27, 2010
I have dual boot system..i.e, windows XP and ubuntu 9.10(insatlled side by side). when i try to boot ubuntu, Im gettin sh:grub > prompt
[Code]...
I am getting something like this.. root mount file system failed.. ext2 ext3 ext4 ....... kernel panic message and hanged at kenelthreadhelpper+ what can i do.. I cant reinstall ubuntu again.. Because I have installed nany application there..
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Feb 9, 2010
I have been having problems with filesystem corruption on my eeepc 1000H for a long time now. I have tried using different filesystems, kernels and distributions (arch, slackware) to no effect. I am starting to grow suspicious that this problem lies somewhere else, as I haven't seen anyone else having similar problems in such a variety of scenarios.
I have tried testing my ram using memtest86+, didn't come up with anything after a full run through. I also have tried using e2fsck -c to check for bad blocks, it finds none. I had a go at using smartctl but wasn't really sure what I was doing. I did a long test and it came up with nothing anyway.
This problem is in addition to the problems I've been having with my intel graphics chip and KMS. A lot of the time there are lockups when booting into X, which can only be gotten out of by a hard reset. This is sometimes what causes the original filesystem errors. I've stopped messing around with KMS for now to eliminate this but my current system in unbootable. I'm guessing my disk is wrecked but have as yet seen no definitive proof. Can anyone recommend anything that I should do?
I am currently on ext4 with a custom kernel 2.6.33-rc6 (the stock kernel shipping with slackware does not have the elantech extension for psmouse included). When I was using arch, I was just using the stock kernels.
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May 15, 2010
With a 1Tb USB drive plugged in, we'll call it "TheDrive", I boot my machine and "TheDrive" is mounted automatically. The icon is on the desk-top. "TheDrive" mounts to /media/TheDrive. Everything is fine. But, I would like to automatically mount the drive in my file tree at the location /mnt/TheDrive. I would not like to have the drive automatically mounted to /media/ and appear on the desktop. I know that this requires the use of fstab; but, I do not know what to add to this file.
[Code]...
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Jul 6, 2010
I installed Ubuntu on my intel-based 5,5 macbook pro 13'', with rEFIt installed on the mac hd, everything worked fine and I've been using Ubuntu for a while now, as in a month or more, but you see I only partitioned my 150GB mac hd to 7gb to install ubuntu on, but after downloading all the software and media, of course that space is starting to look a little bit small, anyway I didn't notice that until actually Ubuntu started to act up, as in it's being too slow and unresponsive , well that's what I should expect when I'm severely running out of space right.
anyway the space I had left was only a few megabytes, so what I thought would solve this, is actually using the Mac HD, since I have 50gb or 90gb of free space, but actually I can't write on my mac hd, so after research I found out that Ubuntu can only read hfs+ but can't write unless it's fat32 or linuxswap or other formats, so to my unexperienced decision, I happily decided to simply reformat my mac HD from hfs+ to fat32 using Gparted, BIG MISTAKE, once I did it, which happened in 4 seconds mind you, I restarted my macbook, and to my unpredicted surprise, where rEFIt should load, nothing did, not even my MAC OS, just a blue screen was there...
of course I panicked, I mean nothing loaded, how am I going to be able to even fix this if nothing as in not even Bios is there...but after a while Ubuntu or Grub just loaded, so I thought good, at least I have an OS to post my problem using, I tried deleting some media to free up space so I could at lease open a web page.
so my problem is, is there a way to return my Mac HD after reformatting it to fat32, I tried to format it back to hfs+ but for some reason Gparted can't do that, and now I can't access anything on my Mac, I find it hard to believe that around 100gb of data could be deleted in a mere 4 seconds, but if it did, at least I want my mac and OS back.
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Mar 7, 2010
I look at other threads where 10's 100's even 1000's of people view them and in most cases at least one or more people respond / reply.I put this thread up about 10 hours ago. Almost 50 people viewed it.I was way over tired and frustrated and probably rambled too much.I have this funky computer with a pt800ce-a mother board.I have a 500GB SATA hard drive with lots of files on it.I have this wonderful Ubuntu installation that sees the "Unallocated" disk.All I want to do is learn how to wave the magic wand so Ubuntu will mount the disk.
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Jul 2, 2010
if the comp happens to reboot while the drive is plugged in, it will try to boot from it, but can't because there's no more operating system, and will just freeze. Now, I know I can switch the boot order in the BIOS, which I have, but I'd also like to remove whatever "boot-flag" remains on the drive.I actually have two external hard drives and a thumb drive that do this. In case it matters.
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