Ubuntu :: Partition Outside The Disk - Corrupted Partition Table?
Oct 5, 2010
What I believe has happened is that I've corrupted the partition table. Essentially one of my partitions' ending point exceeds the maximum number of cylinders/sectors on my drive.
Essentially I have the same problem as on the thread @ [url] but do not know how to fix this and am afraid to reformat/partition based on sectors without really knowing what I'm doing here.
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When I try to look at SDA in GParted everything shows up as unallocated (though it's obviously not) and it says
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Feb 17, 2011
USB flash disk partition disappeared as well as partition table I'm not sure about the cause
Code:
root@u# less /var/log/syslog
usb 5-1: New USB device found, idVendor=058f, idProduct=1234
usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[code]....
Where did the partition table go? The device had one ext3 partition something around 4GB(size of USB storage device). I need to restore few files from this device.
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Oct 23, 2010
i used to have ubuntu 9.i decided to move to sabayon so i used the live cd to install it ,resize the ubuntu partition and use the remaining space for sabayon.while the resizing procedure i got an error(i dont have a copy of the error log file but i know it has something to do with an anaconda process).i aborted the installation and the result was an filesystem that couldnt be mounted.when i try to mount the hdd i get this:
Code: Error mounting: mount: wrong fs type, bad option, bad superblock on /dev/sdb1,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so and this is what i get from fsck: Code: $ sudo fsck -f /dev/sdb1
code....
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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 11, 2011
Basically, I just installed Ubuntu over Windows Vista because I was getting fed up with the performance on it. During install I set up a partition, one for Ubuntu and one for data. However, my second, larger partition gives this error when I try to mount it...
Error mounting: mount exited with exit code 12: Failed to read last sector (976764927): Invalid argument
Hints: Either the volume is a RAID/LDM but it wasn't setup yet,
or it was not setup correctly (e.g. by not using mdadm --build ...),
or a wrong device is tried to be mounted,
or the partition table is corrupt (partition is smaller than NTFS),
or the NTFS boot sector is corrupt (NTFS size is not valid).
Failed to mount '/dev/sda1': Invalid argument
The device '/dev/sda1' 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?
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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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Nov 10, 2010
HDD name: Samsung Spinpoint F4EG HD204UI 2 TB (Internal HDD)My case doesn't allow more than 1 HDD, therefore I use a "USB 2.0 to SATA & IDE adapter".Next thing as usual with any HDDFormat and partition.HDD recognised just fine and listed when executing "fdisk -l":
Code:
WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.
[code]...
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Nov 22, 2010
Disk /dev/md0 doesn't contain a valid partition table
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Feb 20, 2011
Caused by Used fdisk to delete the windows partition, in my dual boot. Then I could no longer log in to ubuntu, the partition table was some how courpt and I couldnt remount I then decided to use the windows partitioner from windows setup, as I thought it is so stupid, to reformat the partition where I had ubuntu. I wanted reinstall ubuntu, and I know that during the setup I could straighten out the mess I'd made.
Windows has now installed two 8mb one cylinder partitions on my HD. When I start the PC I get a !disk error occurred Press Crlt Alt Del to restart! This happens everytime. HD boot sequence is buggered, i guess.
I can boot from other devices. USB + CD. How when I use the windows disk to boot up I can see the 2 8mb partition, which it wont let me delete. How can I delete this via linux?
Also when I try to install ubuntu from the usb drive, it stalls just after the Preparing to install part. The next screen is when you set the partition table, swap drive etc. When I quit I get the following error !Process Glib WARNING getpuuid_r() failed due to unknown id!
The usb_liveCD does however mount my hard disk partitions and luckily I have managed to back everything up to an external.
results from df
/var/log# df
Filesystem 1K-blocks Used Available Use% Mounted on
aufs 766804 68140 698664 9% /
none 760892 244 760648 1% /dev
/dev/sdb1 3911856 712128 3199728 19% /cdrom
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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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Jul 28, 2010
I got a new ipod touch the other day and have been unable to get anything to read it properly. it automounts just fine and i can browse the file system. Normally with my old ipod i just used gtkpod and it worked fine. With gtkpod you have to tell it where the ipod is mounted. The problem is that i cannot see where the ipod touch is mounted It is connected right now and i can see it in nautilus and i can browse the file system, however...
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Partition table entries are not in disk order. what the?
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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...
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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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Feb 5, 2010
Is there a program that will reread the partition table and update the kernel even if one of the unmodified partitions is mounted? I installed my system on one partition, then I added another with free space. Now I want to format the second partition, but the kernel doesn't know about it yet. I tried sfdisk -R /dev/sda, but it refuses while the root partition is mounted. Is there anyway I can avoid rebooting?
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May 20, 2010
I was installing opensuse 11.2 in parallel with windows xp.but during installation suddenly power has gone and after that opensuse is giving me the error message corrupt partition.i am also not able to login in xp. so I decide to reinstall windows, I got the error saying "invalid partition table" after the first restart of windows xp installation.
I tried to use windows system recovery console and committing fixmbr and fixboot commands, but didn't work.
i have 2 window partition(1 for windows and 1 for data).i do,nt want to format 2,nd partition.
How can I installed windows?My plan was first to install windows xp, then opensuse again.
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Jan 26, 2011
I have tried to automate the configuration of a usb drive with not much success.
The problem that I have is that I have a large amount of usb drives that have a partition table of type "loop" and I need to change them to "msdos". The size of the drives vary and I need to use FAT32 or FAT16 file system.
I've tried various partitioning commands and gui applications but cant find one that I can give a one line command to to set the partition table, maximum partition size and file system.
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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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Apr 24, 2010
Everything is installed and setup on my system, but when I setup my partitions I chose my Windows partition to be bootable. Can I just use cfdisk to toggle the bootable flag so my linux partition is bootable and rewrite the partition table?
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Jul 29, 2011
In my efforts to resize my BTRFS Partition, I accidentally unmarked my BTRFS partition as being BTRFS, and can't mark it back as I can't find the numeric ID for BTRFS and how to apply.
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Nov 19, 2009
I'm trying to clone a Linux install to a different laptop. It's made a little complicated by two facts:
1) The 'new' laptop I'm trying to copy my Linux installation to is actually older and has a smaller hard drive then the computer I'm copying from
2) The computer I'm copying from has both a windows and Linux installation; I only care about the Linux partition.
I figured I would copy only the Linux partition from my primary computer to the laptop, sense the laptop doesn't have a large enough hard drive to copy everything. So I used the DD commands to copy SDA3 (main Linux partition) from my main computer to SDA2 of my laptop. When I came back a few hours later I was surprise to find my laptop trying to reboot itself (I never turned it off). It would keep starting to reboot, failing, and restarting itself. Not too surprising sense its boot partition wasn't changed so it's trying to boot into centos when I copied a redhat partition to it.
The problem is that when I used a redhat boot disk the rescue mode was unable to find a Linux partition to mount. /dev/sda2 exists, but trying to mount it gets the complaint "No such file or directory". "fdisk -l" lists sda1 (the boot sector) and sda2. Sda2 is the correct size and reports Linux LVM for its system. But "fdisk -l /dev/sda2" gives the error message "Disk /dev/sda2 doesn't contain a valid partition table" Did I not clone the drive correctly, or was an error caused due to the boot sector not being copied yet (the laptops boot sector is smaller then my old computers, so I can't copy from old computer to laptop)? Can I salvage the laptops partition table somehow, or do I have to repeat the cloning process? And if I do have to re-clone my computer can anyone tell me what I did wrong the first time so it works this time? I don't care if I copy just the Linux partition or both windows and Linux. Even though my main computer has a larger hard drive I'm only using about half of its available space so it should be possible to copy both partitions if I could ignore the unused sections of the harddrive.
Edit: I used DD to copy a tiny part of the Linux partition from my laptop so I could look at it. Most of it is illegible binary of course, but I scrolled through till I found some text right near the beginning:
Code:
VolGroup00 {
id="F2MWxh-....-BidcLe"
seqno = 1
[code]....
So it seems that the DD command did copy everything over to the laptop, which is good to know. I noticed that it says device="/dev/sda3" right in the middle of the code I just posted. The Linux section of my original computer was SDA3 but I copied it to partition SDA2 of my laptop. So is the problem because the boot partition is for the wrong device? I don't suppose if I modified that one line to say SDA2 it would be able to load correctly? (Not that I know how I would modify the line, short of using the DD command again).
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Aug 23, 2010
I installed Ubuntu as shown in the wiki and when I went to restart it gave me a lovely blinking cursor and nothing else. So I held down option, loaded into osx, reinstalled rEFIt and got my menu on startup. Unfortunately, the partition sync tool doesn't seam to be working, it gives me an error: Status: MBR partition table is invalid, partitions overlap. Error: Not Found returned from gptsync.efi
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Jul 18, 2011
I originally had an Ubuntu partition on my hard drive which occupied about half of it. I installed Windows 7 in the remaining unallocated space and I was planning on doing a grub update from a live cd afterwards. BUT when I looked at my partition table, the space where the ubuntu partition used to be is now unallocated space!
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Feb 23, 2011
I had a drive with a partition layout like so:
~50gig Windows 7 - NTFS
~100gig Ubuntu - EXT3
~100gig Snow Leopard - HFS+
~100gig Extended Partition
-- ~100gig Swap Disk - exFat
I wanted to delete the Snow Leopard partition and format the Swap Disk partition to something else. exFat was causing major file size bloat on small files. QT sdk bloated to like 11 gigs or something ridiculous like that. Anyways, I loaded up an Ubuntu 10.04 LTS live cd and gparted then deleted the Snow Leopard partition. Gparted said "Mission Accomplished" and tried to rescan the drive, but never found it. At this point I restarted the computer, a dell laptop, which didn't boot with an unable to find a bootable device error. The ubuntu live cd doesn't see the drive anymore. gparted scans for drives indefinitely and fdisk -l has no output.
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Jul 2, 2011
i had installed fedora 14 into my new hardisk(1500gb) as new server the problem is how can i use the fdisk to partition the hardisk into two partition.
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May 4, 2010
Being an Ubuntu enthousiast (both professionally as well as at home), I upgraded my home server from 9.10 to 10.04 yesterday. It runs kvm with only 1 vm. Host and vm we're both ubuntu 9.10 64bit. I upgraded both to 10.04. So far so good. Also did reboots to load the new kernel image.
For data storage I have a large (6,35TB) XFS partition. This partition is exported to the vm as a block device (vdb). This morning I noticed the vm has crashed. The XFS partition (mounted as /home) was shut down. Is this just bad luck? Or is it 10.04?
Code:
May 4 08:00:18 fileplanet kernel: [68558.681584] ffff8800241c8000: 58 41 47 46 00 00 00 01 00 00 00 02 0f ff ff ff XAGF............
May 4 08:00:18 fileplanet kernel: [68558.754806] Filesystem "vdb": XFS internal error xfs_btree_check_sblock at line 124 of file /build/buildd/linux-2.6.32/fs/xfs/xfs_btree.c. Caller 0xffffffffa009dcc4
[Code]....
I tried booting with an older (2.6.31) kernel, but didn't help. Can I safely run xfs_repair without causing any more damage?
All disks in this system are attached to an Areca hardware raid controller configured in Raid5 and has been operating for months now without any problem.
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Jun 28, 2010
I was resizing my ext4 partition and I cancelled it while it was at the reading stage think it was only reading it and nothing else, but now it is corrupt.
When I run 'fsck -n /dev/sda5' I get the error:
Code:
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Jan 8, 2010
I was resizing my windows partition and accidently turned my computer off. When I went to run a disk check from gparted I get multiple filesystem errors. Chkdsk /r when run from a recovery cd says it can't determine the size of the partition so it can't continue. Is there anyway to get my files off the corrupted partition from within linux. Right now Gparted shows that it has been resized but that it is corrupted and i can't even attempt to mount it. There are only a few files I need to get off the partition but they are really important.
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Nov 8, 2010
I have a dual boot drive, one is WinXp the other Ubuntu 10.04. I don't know why, but my ubuntu partition became corrupted (booting from live cd and inputing fdisk -l in the terminal, shoes my partition as unknown type) My Grub was on this partition, and therefore I cannot boot neither one of my two OSs. I would like to recover my linux partition, I figure I can do that only from my WinXp partition, but I don't know where and how to install Grub.
Also, If anyone knows how I could recover from the live CD without booting Windows, please speak up, that would make everything much easier. Another thing, it would be just super if I could recover my whole partition, not just the data, because I would hate to reinstall all the stuff that I had on my Ubuntu.
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Jul 20, 2011
I recently suffered a hard disk failure, meaning I had to replace the faulty device. After attempting to mount the old faulty hard drive using and external caddy, I got the following message... Unable to mount 144 GB Filesystem Error mounting: mount: wrong fs type, bad option, bad superblock on /dev/sdb5, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so
I'd like to attempt to recover what I can from my /home directory but unfortunately I use encryption (although I do actually know my pass phrase). What procedures and software can I use to try and recover data from this drive?
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Jul 29, 2010
I know I said I wouldn't do anything that could possibly do anything bad to the drive until I receive my external hard drive. I just didn't expect that upgrading from 11.2 to 11.3 via zypper dup has the potential to do that.
First, the problem: The most important partition of my computer containing all the irreplaceable stuff (images) which I had apparently only partially backed up was corrupted after I upgraded from 11.2 to 11.3.
On my computer, there are 2 drives. sda was the one that had Windows. sdb had an NTFS partition and a few smaller partitions which I used for openSUSE. After doing quite a bit of searching on upgrades corrupting partitions, I didn't find anything about it doing what I feared which was corrupting the NTFS so I went ahead and upgraded.
The upgrade went along smoothly. No problems that I could tell. The only weird thing was that the window borders disappeared near the end but I assumed that was supposed to happen. And then I restarted. First thing I noticed was that the background was blue instead of the image I had set (which happened to be on the NTFS partition). I didn't think much of it at the time figuring it was just a quirk in the upgrade process. I went ahead and decided to reset the background to what it was. And then I realized that the NTFS partition was missing -- it wasn't mounted or visible at all. That was when I started to panic a bit.
I opened up Yast partitioner and everything looked fine except that NTFS partition in question had a little * by it. I went ahead and reset its mount point only to receive an error saying that the filesystem in question doesn't exist. And sda became sdb and sdb became sda if that changes anything.
I went into Windows expecting for it to do a CHKDISK on bootup for the drive (D: ) but none of that happened. Hoping that everything was fine, I went in and tried to access it only be given an error along the lines of "The drive in D: is not formatted. Do you want to format it?" Of course, I said no but that was when I realized that this was no partition table problem like last time.
I tried restarting but Windows froze and refused to do so for several minutes so forced the computer to shutdown and loaded my copy of GParted LiveCD. It showed a 30GB unrecognized partition, another 30MB one and some unallocated space. TestDisk fixed that. (so it turns out, there was a partition table issue) What was left was what looked OK except the one partition on sda (the original sdb) that I could not afford to lose had an error.
I can't remember the exact error but it said something like "Are you trying to use a disk as a partition? Are you trying to use /dev/sda as /dev/sda1 or vice versa?" That was either in the error message or in the message I got when I tried to check the disk.
Still trying to get Windows to check the disk, I tried booting from the new sda into Windows. What I got was the Dell Utility program. It said no mouse detected and I couldn't do anything so I shut it down.
I tried going back into Windows the normal way and got the Dell Utility. I figured that this was an MBR problem after I went back into openSUSE with the new sdb still reading perfectly. Although I couldn't manage to restore the MBR so I can't log into Windows. But the other issue is far more important.
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Jun 30, 2010
I have a really tricky and may be intresting problem with a encrypted disk partition (cryptsetup luks...) which was fine until it accidentally got re-formatted by an instance of Windows 7. Most of the data on that 1TB-disk will probably still exist, only the LUKS header at the very beginning of the partition is - of course - gone.
So when I try to open the container, it gives no verbose, just the return value 234.
I scanned the whole partition for other LUKS headers with hexedit, none there. But, luckyly I have another partition which is encrypted in the exact same way with the exact same passphrase (which I remember very well!), so I had an idea: I copied the LUKS header (592 bytes) from the other LUKS encrypted partition over to the damaged partition.
When I now issue
Code:
Code:
No key available with this passphrase
Here is the command how I created the container:
Code:
How do I get the existing passphrase accepted by LUKS?
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