General :: USB NTFS Disk Suddenly Won't Mount - Partition Gone / Repair It And MBR Without Losing Data?
Sep 12, 2009
Just ran into an uncomfortable problem. I usually never save any documents on my machine, and keep all my stuff on an external USB hard disk. (an 80GB TrekStor DS microdisk q.u)
Well yesterday this disk just would not mount.
Read through related posts but nothing seemed to work. Even tried it on a Windows machine.
Tried TestDisk utility. Found nothing wrong with the drive, but still could not repair the MBR.log code...
Palimpsest Utility recognized the drive, but just will not let me do anything with it except format it.
How can i repair the partitions and MBR without losing all my data?
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Aug 30, 2010
After re-installing cups to deal with a printer problem, now I'm suddenly getting the message "Unable to mount Windows NTFS", which has all my data on it.
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Feb 16, 2010
Original disk:
XP NTFS primary
Linux / ext4 logical
Linux /home ext4 logical
Win 7 NTFS logical
NTFS data logical
swap space
NTFS recovery partition
I tried to install linux, as there was a problem with XP overwriting grub, I chose write grub to /dev/sda8 (which is where the linux install was appearing earlier).
I guess this borked the filesystem somehow. Now the NTFS data partition and the swap space are appearing as one free space.
Well actually before that some linux live CDs (including gparted were seeing the entire drive as unpartitioned). I had to go into XP and delete the /ext4 partitions.
Is there any way for me to recover the NTFS data partition ?
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Jul 22, 2011
So the first 10Gb of a 450GB NTFS partition have just accidently been written over with an Ext4 filesystem that spans the entire partition instead. all foolishness asside, what can be repaired. Now I know Ext4 likes to jot bits of meta-data down (inodes blocks) along the way, and this can be about 5% of drive capacity, that said, there's alot of small text files and stuff, coe files so forth that can surely be recovered
I've looked into magicrescue and testdisk, but they fall into the only two groups to exist:
1) Filesystem independent, that is search almost like a patern - well exactly like a pattern match, to find the header and footer of files.
2) Filesystem recovery tools, like, damaged bootsector, so forth
I need one, that will be able to extract files, Iunderstand this will be a hard task, but.... text files; surely that'll be easy, anyway. This is my backup drive, they''re both WD you see, anyway. This is important, given the coding is ASCII surely.
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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 1, 2010
I accidentally formatted a 2TB drive of mine (big oops), but have recovered 2 of the 3 partitions using testdisk. My third partition is a LUKS encrypted partition. Testdisk managed to recover a piece of it, but it won't mount as most of it is unallocated. The partition originally occupied all space from sector 2,930,272,065 to the end of the disk -- sector 3,907,024,064. That is about 473 GBs. Currently, the partition only uses space from sector 2,930,272,065 to 2,930,288,129, about 7.84 MB.
The rest of the space is unallocated. Now what I need to do, is to expand the partition so that it occupies all the space that it used to. How would I do this? I cannot resize the partition, cause it would try to recreate the filesystem AFAIK and I don't want that, as it will fry my data. My data is not terribly important, but I would rather have it then not. I attached a screenie of kpartitionmanager. The partition in question is /dev/sdb2.
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Mar 30, 2010
I was follooing this instructions to repair windows system32 in this tutorial found in a previus tread, my laptop is Dell xps 2010 I had Ubuntu Live cd running with Internet,mouse and keyboard, The NTFS and NTFSProgs exist in System/ administration /synatip Package Manager,but i can mount the filesystem properly due the device name etc,thing i missing some code in terminal application.Partition table entries are not in disk order.Regard the repair of windows media center edition (windows system32 corrupted...).
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Feb 19, 2011
I am facing an issue in linux El4,I want to mount NTFS USB Hardisk to linux, I tried to mount but i got fs related error, after I have installed ntfs-3g, then i tried to mount through this command (mount -t ntfs-3g /dev/sdb1 /mnt/usb) but now i getting Fuse error, is there any possibilty to mount NTFS disk to linux EL4 without install Fuse.
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May 2, 2010
How can I mount an NTFS disk in CentOS 5.4? I did 'yum list | grep -i ntfs', but that doesn't show any ntfs rpms. Does CentOS support NTFS filesystems?
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Apr 7, 2010
How can I do partition of my drive without losing the data?
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May 26, 2010
because what i was looking for was complicated, i am going to edit post
I have laptop with ubuntu on it. I have one ext3 partition with ~220GB.
I want to delete ubuntu and create two ntfs partitions (50+170GB) so i can install windows 7 later.
how to do that using GParted Live CD?
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Jun 24, 2010
I am completely ubuntu right now, and I need to create a partition for XP without losing all the work I have on ubuntu. How can I shrink ubuntu's partition to make a 15 gb partition for XP without losing data?According to Gparted:
sda = ubuntu
sda2 = swap
sda3 = extended
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Apr 7, 2010
I have a 160gb hard drive with no partitions. Ubuntu runs on the entire disc. I want to cut off 60gb from my file system as a storage drive without losing the data that i already have on it.
I don't want to reinstall Ubuntu and cannot afford to lose all my data. Is it possible to do so, without having to reinstall the OS.
I downloaded Gparted, whats next?
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Jul 2, 2010
How to install openSUSE with Ubuntu in dualboot? I have Ubuntu 10.04 and i want to install openSUSE 11.2 without losing any data on hard disk.
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Feb 26, 2010
ntfs-3g /dev/sdb1 /media/sdd7 ntfs_mst_post_read_fixup: magic: 0x00000000 size: 1024 usa_ofs: 0 usa_count: 65535: Invalid argument Record 6 has no FILE magic (0x0) Failed to open inode FILE_Bitmap: Input/output error Failed to mount '/dev/sdb1': Input/output error NTFS is either inconsistent, or there is a hardware fault, or it's a SoftRAID/FakeRAID hardware. In the first case run chkdsk /f on Windows
then reboot into Windows twice. The usage of the /f parameter is very important! If the device is a SoftRAID/FakeRAID then first activate it and mount a different device under the /dev/mapper/ directory, (e.g. /dev/mapper/nvidia_eahaabcc1). Please see the 'dmraid' documentation for more details.
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Jan 18, 2011
I would like to resize my /home ( /dev/sdb6 ) partition - without losing data - to make room to create a swap partition (at the moment, I don't have any swap. Is it dangerous ?) IIRC, it was possible to change partition sizes from the install disk in repair mode (?) But I cannot find that repair mode on the 11.3 install disk. Has it been removed or is it somewhere deeper in the install or update process ?
[Code]....
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Feb 1, 2010
I need to resize a NTFS partition in a disk for which I have an image (dumped with dd).
I mounted it through the loop device on linux:
# losetup -o 32256 /dev/loop0 disk.img # I got the offset from looking at fdisk's output
# mount /tmp/t /dev/loop0
# ls /tmp/t
[content of NTFS partition shows correctly]
# umount /tmp/t
# gparted /dev/loop0
gparted shows me the disk correctly; it just contains one large NTFS partition I want to shrink.
I have it had it running for one hour now.
Question: will this work? There is lots of disk access but the timestamp and size of the underlying file disk.img remain unchanged.
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Apr 3, 2010
I have Redhat Enterprise linux 5 and Windows 7 installed in my PC. I want to mount NTFS partition from linux.
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Dec 18, 2010
i want to know how to mount NTFS partition in redhat.
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Feb 6, 2011
If I mount ntfs partition there is a problem it display the msg that ntfs partition is not recognized.
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May 31, 2011
i need to mount at least for read access NTFS-based partition image on linux from a file. File is binary copy of a partition. Is there any libraries or resources for this?
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Apr 29, 2011
I want to automatic mount a ntfs partition after start. I work on fstab, everything seems to be ok, but now something strange is happening: sometimes after boot, when I use fdisk, I find all the partitions as sda, sometims they seems to appear as sdb. Of course, if in fstab I have written sda and they are sdb, they will not be aoutomount... I am using fedora 14 I was expecting that allways the partitions to be sda or sdb.
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Jun 15, 2009
I used to have a 1TB external drive with lots of stuff on it. But after a reported drive failure during a F11 install the partition table seems to have been lost. (I think F11 toasted it)
Disk /dev/sdc: 1000.2 GB, 1000215724032 bytes
255 heads, 63 sectors/track, 121602 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
[code]....
The drive used to have xfs and a partition. Is there any way to rebuild the partition? Or is my 1TB of data gone forever? The drives seem to be fine now... I just want to get it up enough to either pull any data or just to get a file list. Most of the stuff on the drive was from somewhere else.(ie 300GB of NRN data for all of North America.
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Jul 29, 2010
I just now re-installed 10.04 on my box, but now I can't get back into Windows. I'm getting the BOOTMGR not found error, that I'm familiar with, but the circumstances surrounding it are completely new to me. In the past I've encountered errors from hard-shutdowns where I couldn't mount the partition, until I checked it with windows first, but I can't boot into windows at all any more. I'm pretty sure my grub is pointing to the right location:
[Code]...
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Mar 6, 2010
I've initialize a virtual disk and deleted the partition table didn't notice that i've done that to the wrong one, data still on the physical hard disks but....how I'll get my data back safe without losing it?
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Jan 26, 2010
Is it possible to mount a 2nd hard disk without erasing the data that is already on it? If so, what command must I enter. The system recognizes that the disk is there, I just can't access the data because it hasn't been mounted.
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Mar 15, 2010
I'm dual booting with Windows 7 and would like to have my windows 7 user folder mount when I boot.
After some looking around I edited /etc/fstab to add the following line:
This works. But it mounts the windows partition from the root level. I'd like to just mount C:UsersFHSM (/Users/FSHM) to /mnt/windows.
I'm trying to get it so that when I click on the windows drive I get my windows user folder instead of having to click through from C: to get to it.
I'm the only user on this system but if I created a second windows user would my home folder mount for that person too or does setting the user ID prevent that from happening?
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Sep 8, 2010
I have a hard drive where one partition is used as part of a logical volume (LV) using LVM. The partition table is corrupted and prevents the partitions from showing as devices in /dev/. The corruption prevents the logical volume from coming on-line b/c LVM cannot find the part on the corrupted disk. I (am pretty sure) I know the block offsets and lengths for each partition on the disk but do not want to write to the disk in case I am wrong.
How do I go about recovering the logical volume in this scenario?
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Sep 27, 2010
I've occasionally changed HDD filesystem type in Disk Utility from NTFS to Linux Extended . It created an extended partition containing some other partitions instead of NTFS.
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Mar 14, 2010
I am trying to access data that is on a Raid 5 array in Ubuntu... There are 4 installed disks (250gig disks) - 3 of which are setup as a Raid 5 array (the 4th is active but unused). These show up as one large drive (498gig). I have had an issue with the drive where it is no longer allowing Windows to boot - I receive a disk read error on boot (so the OS does not load, obviously!) - what happened was basically I unplugged then replugged in one of the disks which affected the array... I physically reconnected everything as it was, I then had to 'reactivate' the disk in the Raid BIOS... at that point the array seemed OK, was the right size, etc (and was listed as "Optimal" in the Raid BIOS) however, the problem with the disk read error persists.
I have started the machine using Ubuntu v9.10 from a CD (non-destructive mode) and it shows a disk of the right size (ie: on the desktop and in Nautilus it says "498gig Filesystem" ). However, in Nautilus, the disk appears empty with no folders or files on it (even with hidden files shown).... If I view 'Information" for the disk it shows 67gig used space and 399gig free space (which is correct). Also, if I view the disk in Gparted, it shows a disk with about 67gig of used space and 399 free space on a 464gig disk (with 8gig unallocated). One more thing.... when I try the command 'sudo dmraid -tay' it says that there is no raid disk (there are in fact, no drives plugged into IDE or SATA slots - all disk are plugged into the RAID controller card). Anyway, at this stage, I just want to copy the data to a single hard disk if possible and move on.
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