Ubuntu Installation :: Unable To Use NTFS Partition In Windows 7 64 Bits And GPT Secondary Table Moved
May 22, 2010
I have a 6TB external eSata bay (Lacie BigQuadra). I made a GPT table with only one big ext4 partition. All was ok. I resized the ext4 partition and I created a 1TB NTFS partition. I can use it on Kubuntu but Windows 7 tell me the partition is not formated. When I go back to Kubuntu, parted tell me that the secondary GPT table is not at the end of the disk and tell me it's probably an other OS that thinks the disk is smaller that its real size. It seems Windows 7 thinks the disk size is 2 TB (and modify automaticaly the GPT table and create a secondary GPT table on the middle of the disk).
What can I do to make my NTFS partition visible in Windows 7? What can I do to prevent Windows 7 to move the secondary partition table on the middle of the disk and to modify the primary GPT table ?
gdisk informations
------------------
$ sudo gdisk -l /dev/sd
sda sda1 sda2 sda3 sdb sdb1 sdb2 sdb3 sdb5 sdb6 sdc sdd sdd1
[code]...
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Feb 8, 2010
I was reading another thread about someone with a bad partition table and I decided to join this forum. I'm not going to take any drastic actions with the partition (/dev/sda3) in question. I am going to wait for instructions on what to do first. I am not very good with Linux and need some hand holding. System: DELL 4550 Dual-Booted with XP and Ubuntu. Works OK, just no swap. Well, here's what I did: I deleted a partition for Windows XP Pro because it was a trial, and it ran out. I then decided to slide the swap partition for the Ubuntu Linux that I dual-boot into over. (If this was successful, I was going to try expanding the root partition to take up the unused space.) I used Gparted on a CD to do this, as I figured it was safe to do.
I now cannot mount the swap space at bootup (and have to go into a backup version of the OS), although I can use Gparted in Linux to execute the "swapon" command, and it appears that it worked because I now see "swapoff" as an option on the context menu. (I actually don't even need a swap partition, except to hibernate.) If I highlight the swap partition and click on "Drive" on Gparted's menu bar and select "Create Partition Table", it will erase all data on /dev/sda, so how do I fix the bad partition table non-destructively?
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Jul 22, 2010
Now however its not letting me resize the Windows partition, mounted or unmounted. It currently occupies the whole disk. I would rather not reinstall the whole thing over again, but I will if I have to. Isnt there an easy way to shrink a Windows partition? I swear Ive done this before and it wasnt this hard. Could it be a problem with the Mint installer that now asks me if I want to unmount my disks before it goes into install mode? On this PC I would like to have
Windows XP
Mint
Ubuntu-Studio
Edubuntu
One of the E17 OSs
Puppy Linux (to create a remix)
I am probably going to put most of the linux partitions on the second laptop drive but I want to install files on a non WIndows NTFS partition.
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Mar 13, 2010
Long story short, my Windows had a fatal crash the other day and since I couldn't find the installation disk, I burned the Ubuntu 9.10 disk image to a CD at a friend's place and installed it on one partition of the hard drive. The other partition contained tons of Windows programs and documents in an NTFS system. Ubuntu is cool and all, but when I finally found the Windows disk, I wanted to reinstall it for dual-booting, to use some programs that don't run well in Wine.
To keep some documents safe and not waste any CDs, I moved them over to the Ubuntu partition before installing Windows. As experienced ubuntuists know, the slightly clumsy Windows installer erases GRUB in the process, and it's recommended to install Windows first. So, now I ended up with a working Windows partition and an Ubuntu partition with all of the stored data, which I can access via guest status with the burned CD.
Here's the catch though - as a guest and without Linux properly installed I can't move anything I moved to the Linux partition from the Windows partition back anymore. All the folders have a little X on their top corner. I'd be glad to reinstall Ubuntu now, but I must know how to keep all that tranferred data safe. Can I keep it there during the reinstallation? Should I install Wubi on Windows and access the stuff through it?
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Mar 27, 2010
I want to change my sda2 partition to ntfs type. i have installed GParted but it is returning a strange type of error. Here is the error dump file...
[Code]...
WARNING: the kernel failed to re-read the partition table on /dev/sda (Device or resource busy). As a result, it may not reflect all of your changes until after reboot. WARNING: the kernel failed to re-read the partition table on /dev/sda (Device or resource busy). As a result, it may not reflect all of your changes until after reboot.
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May 1, 2010
I'm trying to install Ubuntu Linux 10.04 on my computer with following specs:
ASUS P5KR Mobo
HIS 2600XT GFX
160 GB Hitachi Harddisk (SATA)
500 GB Hitachi Harddisk (SATA) - Only for Data.
The 160 GB Harddisk is currently split into 3 main partitions: i) 200 MB created by Win7 setup.
1) Windows 7
2) Leopard OSX
3) Partition formatted in Leopard as Journal which is empty, meaning I can convert this if I want and onto which I will install Ubuntu.
My problem is that despite booting up fine, installer starting and working fine, it cannot however detect my partition table, it thinks its unallocated.
The funny thing is that I can mount the partitions and view the data but the installer however can't see it.
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Apr 2, 2010
I'm upgrading from a 250GB drive to a 500GB drive. I booted into the live-CD, ran gparted and created the necessary partitions:
/dev/sda1 ext4 /
/dev/sda2 swap
/dev/sda3 ext4 /home
then I used dd to transfer data from the old drive to the new drive. Now I am unable to boot into the new drive. I tried to boot again from the live-CD but fdisk reports that the drive has no partition table. I can still mount the devices (e.g. mount /dev/sda3 /mnt/sda3) and I can see all the files. But without a partition table, I can't set one partition to be bootable. Why doesn't gparted create a partition table? it created the filesystems just fine. how do I boot into the new disk? What do I have to do to make grub handle the new disk?
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Jan 26, 2011
I'm trying to install Ubuntu Netbook Edition 10.10 on my Eee PC 1015PE. but it appears that GParted which is used to partition the HDD is unable to successfully display partition table, it just shows that /dev/sda is all unallocated, and it offers just to create new partition table.
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May 25, 2011
I am an Ubuntu refugee. Allow me to explain what happened. I am dual booting with Windows 7 and F15 x64.
(1) I wanted to created a shortcut of my "Documents" folder in my Windows in Nautilus
(2) I opened the Windows drive by double clicking the drive under Devices, and navigated to my "Documents" folder (F15 already has ntfs-3g installed so no hassles there)
(3) I then dragged the folder to the sidebar to place it under the Trash icon--but for some reason, it would not let me do this, and accidentally got placed in the Trash bin.
(4) problem is I can't see this folder in the Trash bin (it is not even hidden)
(5) To check if the Trash bin actually captures items when we move files/folders to Trash, I tried sending a folder from my Home directory to Trash, and the folder appears in the Trash; it can even be restored to Home.
(6) Only files/folders from the NTFS formatted Windows drive do not appear in the Trash folder if sent there.
(7) I have Google searched this problem, but to no avail.
(8) I even thought that because the drive is not mounted 'officially' I would mount it using command line:
Code:
(9) But still I can't see the folders in the Trash
(10) Interestingly, when I try to unmount the Windows drive 'formally' then I get a message if I want to "empty the Trash"--I obviously chose not to--so I know there is my Windows Documents folder in there somehere.
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Apr 7, 2010
[URL] I used testdisk as the replies suggested recovered all my linux partition including my 2 linux distros and boot partitions, but now my windows 7 appeared as unallocated space, which is very ironic, I fixed my last problem only to have situation reversed. I recovered the mbr record from my boot partition, but because that record dose not include the ntfs partition, that partition appears as unallocated space. so how can I make that ntfs partition recognized again so I can update grub and boot to my windows 7 partition? Please help me out, I have had this partition stuck in my computer for a while doing nothing...
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Sep 2, 2010
I am not been able to re size the partition. Can anyone please help. I tried to re size and install ubuntu 10.04 on two machines but it did not work. Details are HP mini ( windows xp pre installed with new ntfs partition). Lenovo thinkpad ( windows vista pre installed).Is new windows partition is non - re sizable?
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May 3, 2011
I'm running Ubuntu 11.04 on my Acer extensa 5620. I need to install windows and setup a dual boot on this machine. Here's what I did. I followed the instructions on this page
[URL]
and resized my home partition (which is differenet from the file system partition). Anyways, I resized the partition and made a new NTFS partition. This was all done from Live CD. I then rebooted and then tried the windows installation CD. Now here my problem crops up.
Windows says that no partition is found. What have I done wrong? Any ideas? Can the drive be damaged or have I made a mistake some where? I did not specify a mount point for the new NTFS partition, does that matter?
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Oct 18, 2010
After I formated my windows partition using GParted it became Unallocated and moved under Extended partitions. I can't create the unallocated partition as primary one, or drag it out of the extended ones. I tried GParted live CD also, but nothing worked.
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Aug 6, 2010
Is there a difference between using GPT partition table when formating hard drives and MS-DOS partition table? What are the advantages/disadvantages of using either?
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May 18, 2011
I am wondering if I can install a 32 bits guest Windows XP in VirtualBox in my 64 bits Ubuntu Natty host? I need a 32 bits Windows to run some programs.
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Apr 6, 2010
I have an unallocated space at the end of my hdd, which is about 10 gb. I installed Pardus on that space, but then deleted the partition to install something else (I know I did not have to delete it, I could simply install the new thing over it), i dont remember exactly how, but it was from my Debian System, not from a LiveCD.Now, I am unable to use that space. GParted gives an error and says:Warning: the kernel failed to re-read the partition tableon /dev/sda (Device or resource nusy). As a result, it may not reflect all of your changes until after reboot.
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Dec 2, 2010
I have a 4gb SDHC card that has been partitioned with an ext2, linux swap, and fat 32 partition that I use in an Android phone. After I partitioned it this way, which I have done more than once with no problems, it quit mounting or being recognized by Android, Linux, or Windows. Windows can tell there is something there but can't mount it, Debian and Android just say it's not there. I need to try to fix the partition table which gparted told me was corrupt the last time gparted could see it.
Code:
# dmesg |grep sdb
[ 7.361926] sd 4:0:0:0: [sdb] Attached SCSI removable disk
[code]...
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Jan 22, 2010
When I start gparted, to see if I can add extra harddisk where all my data is, I get the next error:
Code:
[root# gparted
libparted : 1.9.0
The kernel was unable to re-read the partition table on /dev/sda (Device or resource busy). This means Linux won't know anything about the modifications you made until you reboot. You should reboot your computer before doing anything with /dev/sda. I can start fedora 12 x64 amd whitout any problem. My partition layout on a single disk (80 gb sata maxtor) for the system is:
Code:
/
/home
swap
When I try to mount one of the extra disks (samsung spinpoint 1 tb, I have 4) I get to next error:
Code:
root# mount /dev/sdb1 /media/sdb1
mount: you must specify the filesystem type
If I add the option with the filesystem I get:
Code:
root# mount -t ext3 /dev/sdb1 /media/sdb1
mount: special device /dev/sdb1 does not exist
In gparted, when I select just a flag option, and deselect, press ok, the disk is forced to be reread by the program. After that I can also mount it. When I use any of the programs linked in this post, I am able to mount the disks whitout any problem. Except after a reboot, I get the same problem. SO whit each reboot, or poweroff, I need to do a re-read of the disks. The system is fedora 12 x64 for amd, installed from a live cd, the rest whit yums groupinstall, the latest kernel.
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Mar 15, 2010
What is the most efficient way to match the partition tables on two different hard disks?
I have saved the partition tables using dd command in linux.
The partition tables are from a Windows system.
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Jan 31, 2011
1.After I install fedora14, I can not start window7,It shows only a transverse line shining .
2.when I comes into inux , execute "fdisk-l " ,it shows 'no invalid partition table' this two points have relationship?
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Jan 16, 2011
Do i have any chances to restore my windows partition table after tried to install debian and i used the entire disk instead of the free space i had alocated for this
after i figured out what i did i stoped the installation but was to late ... i answered yes at write partition table changes on disk question
i tried win7 automate recovery tool from dvd and manual install of mbr with no successful result
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Apr 8, 2010
i tried installing windows 7 on a partition on my laptop but i'm getting this message:"setup was unable to create a new partition or locate an existing system partition "i tried googling and found that it has something to do with the number of partitions:my hard disk layout right now:
p1 ext4 21gb /home
p2 ntfs 64gb
p3 ext3 18gb ubuntu installation
[code]....
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Aug 5, 2011
Will deleting dev/sda partition table ( msdos ) affect my windows 7 system? I am trying to install Fedora 15 on Virtual Box.
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Aug 1, 2011
I am installing Ubuntu 11.04 dual boot along with Windows 7. But I am unable to see already installed windows partitions.
During installation it shows hard disk as a whole. Does failure of CMOS battery has something to do with this?
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Jan 27, 2009
I have windows machine and installed ubuntu in one of my partition, So i was able to select any of these OS's while booting the machine, But recently I've formatted Windows partition after this am unable to reach this ubuntu. i.e., While booting the machine no options are listing out it directly went to Windows OS.
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Oct 12, 2010
I was attempting to format a flash drive, and well, used the wrong sdX device. I've run DiskInternals Partition Recovery tool, and all my files are still there (you have to pay $139 to have it restore the files). Is there any way using tools in linux to restore the ntfs partition/files? It was a single disk with the partition taking the entire drive. I've tried mounting it with the -t option, but it says invalid ntfs signature. Man, two lessons the hard way, make sure you backup (duh) and be careful what you type as root.
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May 1, 2011
So I am reaching an unfortunate conclusion. I asked this of google and got no straight response so I conclude that it is impossible. taking a look at GParted with my 10.4 boot disk, I see
/dev/sda1 NTFS 74GB boot flag
and
unallocated unformatted 7.84GB no flag
So I assume that that 8gb used to be ubuntu.
In the process of trying to fix things, the computer no longer boots windows.
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May 21, 2010
I recently formated my harddrive and instead of theld fat32 partition for windows partition I used ntfs. I am mounting this partition in /media/windows in debian linux. But it shows a cross (x) symbol above the folder and says I don't have the permission to access it. the permission on the folder is (drwx_ _ _ _ _ _ ) and it is owned by root. So I changed it to my user name -- sid by doing the followingsudo chown -R sid:sid /media/windowsHere are my questions1) Now it allows me to access the folders but all the files like pdf or photos have a cross on right top corner and it says access denied. Is this because of ntfs since with fat32 I didn't have this problem.
2) Also I have a /data (ext4) partiton which is a common partition for datafiles between Ubuntu and Debian. It has the permission -- drwxr_xr_x . I am trying to write to this partition and save files but it doesnot allow me to do it. do I have to make chmod 777 to do that?3) How do I make sure that both windows and /data partition are writable right from the beginning at the boot time.
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Jul 4, 2010
I am unable to write to ntfs partition.
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Jan 8, 2010
In one of our client system there is a partition which shows NTFS and other partitions are ext3...the partition which shows NTFS is a seperate HDD...The NTFS partition has been mounted...but we are not able to write anything to it...but we checked in /etc/fstab....it shows 'ro' so we changed to defaults....after making chnages when we tried to remount using the command mount -o remount /partition.it shows the device is already been in use try using the command fuser or lsof.we tried fuser /partition and then killed that process..still same error.....I would also like to know is there a way that we convert the NTFS partition to ext3 without losing the datas.
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