Ubuntu :: Partition Table Damaged - Pc Doesn't Boot From Hard Disk
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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Sep 19, 2010
Its basically an old SATA Hard Drive with a Windows XP partition I was trying to sell.When my computer does the BIOS checks, it doesn't pass the SMART test (but I can boot it anyway), although I can't boot Linux in any way with this Hard Disk connected (I even tried Live CD distros, like Parted Magic).I can boot the XP partition from inside the disk, although I guess its pretty close to not being able to. Is there any way to "fix" this Hard Drive?
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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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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.
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Nov 22, 2010
Disk /dev/md0 doesn't contain a valid partition table
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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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Dec 8, 2010
I have a HDD with OS Win with three partitions NTFS.I installed Ubuntu 10.10 on new partition, and I left the old partitions on the disk, because there are a lot of my personal data.When I was looking for how to mount partitions on startup, I was fortuitously to Palimpsest Disk Utility selecting the checkbox on sda2 as a boot, and apply. But I saw that it was wrong and took the check back. And after this was damaged NTFS on the partition sda2. Windows shows the partition as RAW.
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Jan 13, 2011
This is a good way to backup my current system:
How to backup your system to restore your server incase the hard disk is damaged.
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Feb 14, 2010
GNU GRUB 0.97
Ubuntu 8.04.4
2.6.24-26
Added an SSD (dev/sdc) and decided to move some less often changed directories there. Started with /usr and /boot, leaving / on a primary in the first drive, for now. All started ok, and my changed fstab mounted the right ones, and the system works.
However, grub is actually using the original /boot on / on sda1. I cannot see any way to change this. (Which makes it sorta hard to update the kernel
From grub:
Okay, since it has two choices, I tried to tell it which one to use. But, grub> root (hd2,5) does nothing.
Disk /dev/sda:
what I seem to recall, grub doesn't care about the boot flag on the disk. Nor does it care about primary vs. logical (except GNU doc says "makeactive" only works on a primary?).
The GNU doc also indicates that it looks for a directory /boot on the partition, so if you're mounting a partition as /boot, it also needs to contain a /boot directory under it. Tried that, but no change.
Is my problem the logical partition? Does that prevent "grub> root" from changing it? I'm afraid to wipe out the old /boot and find that I can't start up.
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Mar 28, 2010
I wanted to implement raid5 such that one partition is from my laptop's hard disk and others from other hard disks. After making one partition a raid partition, I rebooted the system. The computer stopped mid-way during booting, and brought me to the shell. On typing fsck -p, it told me an unexpected error occured in the partition which I had made for raid. Is there some condition that we cannot boot from a disk containing one of the raid partitions ?
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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
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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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Sep 10, 2011
I have a broken DVD drive and no others available right now to burn a DVD iso to so I'd like to use a empty hard disk instead.
I've tried Unetbootin but that only copies a few megabytes of files - the rest of the image data in the ISO is ignored.
I have verified the ISO is valid and working with VirtualBox. It's MD5 hash is also as expected. But I need to boot at the real bios not an emulated one.
I've also tried things like:
sudo cat /disk/image.iso > /dev/sdb1
and that got "Permission denied" -
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Jul 1, 2010
Windows' Master Boot Record seems to be damaged on my dual-boot.Here are the details.
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
=> HP/Gateway is installed in the MBR of /dev/sda
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Nov 16, 2010
i come from ubuntu installation and i have had opensuse before and i remember installing any of thede two without any problem on any of many harddisk arrangement. but thge ltest opensuse 11.3 doesnt pllay nice with my windows and ubuntu installation booting. i reember using boot loader in yast and it used to load the coorect setting from scratch. but now when i chose "propose new configuration" and it founds opensuse and three other windows!
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Jul 7, 2009
I have a sata 320 gb with mandriva linux 2009.1 on it.And it is what curently atached to my cpu. It is shown as 'sda' in the partition table.I also have another 40gb hard disk with windows xp installed on it.It is shown as 'hda' in the partition table . Now what i want to do is attach this 40gb hard disk to my pc and configure grub on my 320gb hard disk('sda') so as to boot windows xp(which is residing on the second hard disk,'hda')Can anyone tell me if what im doing is feasible or not? If it is feasible,can anyone suggest me how to get it working. I know i just need to add 2-3 lines to my grub.conf, but dont know what exactly i need to write.
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Jul 31, 2010
GParted tells me my hard drive is not partitioned and has an unrecognised partition table, but I know it has because i'm using it now to write this on here, and fdisk shows the following:
Quote:
Anyone know of anyreason GParted may not be working or can offer an alternative to create a partition?
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Mar 3, 2011
This was a really frustrating problem which turned out to have a really simple solution, so I'll share it with people who might be having the same struggle. Problem You plug in a usb hard disk and try and mount it using:
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I spent hours - days - hunting around for the solution! (And felt a bit humiliated when I realised how simple it was!) PS, There used to be a "Success story" section on LQ, but I couldn't find it; if this is better in another section, please move it. PPS, I'm on a public computer and won't have Linux access for a looong time - if anyone can copy the message that fdisk prints out to help people who are searching for it
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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 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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Aug 31, 2011
I've recently added a new hard disk and due to mother board controllers this new hard disk is known as sda.Before that my boot partition was /dev/sda3 and know this changed to sdb3.Whenever grub menu appears and I choose opensuse,it can't find /dev/sda3 .It seems that I should edit menu.lst or change boot loader parameter.something like root (hd1,2).But I don't how I can do this with opensuse boot loader.Though I could do this with CentOS easily.
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Jan 7, 2009
I'm trying to resize a partition on an IDE hard disk to use the entire disk but can not get more than a 309GB partition. I can get 295, 300, 301, 302GB, etc... fine but start getting problems with anything over 309GB. I get the following error with 310GB or more:
error: block relocator should have relocated 533 Warning: You should reinstall your boot loader before rebooting. Read section 4 of the Parted User documentation for more information. I am using Slackware 12.1, GNU parted 1.8.8, ext2 filesystem.
Some output that may be of use:
root@asus:~# parted /dev/hdb print
Model: ST3500630A (ide)
Disk /dev/hdb: 500GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
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Aug 10, 2011
I've been running a dual-boot ubuntu 11.04 64-bit and windows 7 64-bit for a while now, and recently got a new computer. I moved the hard drives to the new computer (one had both os's on it, the other was just a storage drive) and windows 7 would not boot, so I reinstalled it. I used a live cd to repair grub using boot repair /Boot-Repair) and everything looked to be going swell But when I tried to boot I got "invalid or damaged bootable partition" instead of a grub menu. so I went back and, copying and pasting the commands the program gave me, I manually removed and reinstalled grub on my ubuntu partition. same error. so, I backed up all my documents onto a third drive, wiped everything out, and started again. I installed win7 on one drive, and then when that was done, I installed ubuntu on the other. lo and behold when I tried to boot I got the same error message, and now I can't even boot from my windows drive. The ubuntu drive is fairly new and according to disk utility has no errors. Is this some problem with grub or what?
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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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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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Mar 9, 2011
I have two internal harddisk. Harddisk 1 has ubuntu, fedora installed and harddisk 2 has ubuntu installed. I normally connect either one, and use it. How can i always keep connect both harddisks, and at the start, select from which harddisk to boot? Or it's not possible?
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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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Jun 2, 2011
Im running ubuntu 10.10 on a dual boot machine together with vista. When I tried to delete a partition in gparted I accidentaly deleted the general partition table so I had to run testdisk on a live cd to restore it. The problem is that once I had done that and rebooted I get the message bootmgr is missing. I suppose Testdisk deleted or overwrote mz grubloader.
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Feb 6, 2011
When the computer starts, you will read a flashing message about S.M.A.R.T and a few other things.I have two hard drives. There is a strange noise from the computer when I run it for more than 3 or 4 hours continuously. I firmly believe one of the hard drives is not working properly. I saw a message about a problem in S.M.A.R.T.It was a flashing message. I couldn't read it. I don't run any Windows on the computer. All are Linux. The default is Mandriva.
How do I read the flashing message you see at the start of a computer? I want to find out the damage one replace it with a new one.
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Sep 8, 2010
I've been using ubuntu about a year, so I have a fair amount of experience with it. Today I was trying to install ubuntu on my new laptop, which doesn't have an optical drive. I don't have a usb stick, so I attempted to partition my external hard drive. I stupidly clicked "erase disk" on startup disk creator and erased the entire drive instead of the partition. I want to get back the files I had on this external. I searched and managed to find that people had been successful with testdisk. when I choose to analyse, it only finds the partition I created for the live cd.
When I choose advanced, I can find my older partition (FAT32) but when I choose to undelete I get:
Code:
No file found, filesystem seems damaged.
When I choose boot I get:
Code:
Boot sector
Bad
Backup boot sector
Bad
Sectors are identical.
A valid FAT Boot sector must be present in order to access. Any data; even if the partition is not bootable. I searched but I couldn't find anyone receiving this error message or how to deal with it. So I tried using photorec. Photorec is recovering all of my documents currently but without the filenames and file structure, it's more or less worthless.
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