OpenSUSE :: Copying Partition Table For Sda?
Nov 5, 2010
I need to copy partition table for sda, I have 3 primary partitions and 1 extended partition on sda. I understand that fdisk cant copy extended partition table and I need to use sfdisk.
Correct me if I am wrong -
1. For primary partitions
Code:
dd if=sda-mbr.bin of=/dev/sdX bs=1 count=64 skip=446 seek=446
2. For extended partition
Code:
sfdisk -d /dev/sda2 > backup-sdX.sf
Where it will store the files after backing them up. I tried SUSE 11.2 DVD, it has back up partition table utility under repairs-advanced options but it suggests saving partition table to floppy. Why it doesnt offer to save it on a removable medium or to CD.
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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 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 19, 2010
I was trying to perform a new install, so sensibly made a back-up of my data to my external drive. Unsensibly, I didn't unplug the disc before starting the install and the install trashed the partition table/FAT on the external drive.I've used disktree and can "see" that the disk has lots on it, but I cannot access it.
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Mar 25, 2010
As soon as I install and reboot OpenSUSE, my partition table gets lost somehow. Here is some information about my system:
Dual-booting system with Vista and OpenSUSE 2 SATA hard drives combined into one with Vista installed on them. 1 IDE hard drive with OpenSUSE installed on it.
When I install OpenSUSE, it loads fine right after the installation. Then, when I reboot the computer and select to load OpenSUSE from the Grub loader menu, it hangs right after:
root(hd4,1)
Filesystem type is ext2fs, partition type 0x83
kernel /boot/vmlinuz-2.6.31.5-0.1-desktop root=/dev/disk/by-id/ata-IC35l....... and so on
I tried running System Repair off of a DVD and automated test - it tells me that the partition table is lost. I choose to recover partition table and after a while it does but I am still unable to boot.
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May 8, 2010
I installed openSUSE on a XP runnng computer and every thing is OK.When I tried to Install a new XP, I got this error:Code:Invalid Partition Table I fixed it by reinstalling GRUB using Rescue System.I tried fix mbr on XP Repair System and I got that error again.Now I want to keep XP and remove openSUSE. But computer only boots by GRUB and XP's boot loader is unable to boot and shows that error
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Mar 3, 2009
I've been having trouble copying files. When I try to copy something, it starts copying, and after a few GB, I suddenly get an error. It tells me its unable to write to the disk. After this, the only way to be able to write to the disk again, is to reboot the system. I then get to copy a few more files before the same error appears. The partition in question is formatted as ext3, using opensuse 11.0 with KDE.
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Nov 16, 2010
we had a CENTOS 5.5 x86_64 machine with 8ered with MySQL 5.0.91-community.Currently we had a very high number of Created_tmp_disk_tables (31k in 4,5 hours!!!).I've read suggestion that we need to increase tmp_table_size, and we've set tmp_table_size to 64M, but this drupal modul's query still cause mysql create tmp table on disk
Code:
SELECT DISTINCT node.nid AS nid,
comments.subject AS comments_subject,
[code]...
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Dec 23, 2010
I am working on an application in Motif and C++, which uses an XRT Table. With the XRT Table being an infrequently used product, it is hard to find good documentation on it, and one area in particular is sorely lacking... a good explanation on how to copy text from the table to the clipboard used by other X11 applications. I've come across an example application that demonstrates how to copy text to the clipboard, but I cannot seem to merge that knowledge with what I'm provided with the XRT Table API. Does anyone have any knowledge in using the XRT Table, and in particular, with copying selected fields within the table to the clipboard?
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May 3, 2010
Kmail 1.13.2 Problem on startup, error is from nepomuk, data storage. "cannot find Redland backend, nepomuk is disabled until fixed. Also see the following error from the akonadi console:
100503 10:00:15 [Note] Plugin 'ndbcluster' is disabled.
100503 10:00:15 InnoDB: Started; log sequence number 0 31413862
100503 10:00:15 [Warning] Can't open and lock time zone table: Table
'mysql.time_zone_leap_second' doesn't exist trying to live without
[code]....
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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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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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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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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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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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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.
[code]...
When I try to look at SDA in GParted everything shows up as unallocated (though it's obviously not) and it says
[code]...
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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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Jul 13, 2010
I have a laptop with dual boot system, opensuse 11.2 and windows xp in the same hard disk.
I tried to remove suse doing the following :
Ι loaded windows xp cd and get in recovery console. After that i did Fixmbr and fixboot.
After that, after the bios screen, i get a black sceen with the message "invalid partition table"
If i type a "dir" command i can see my files, so the disks partiotions are not corrupted i guess. Just the MBR is damaged.
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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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Oct 8, 2010
I got swap space full error and the ubuntu version of "blue screen of death". I used Disk Utilities to delete a 2.1GB unused partition. When I tried to create a swap space partition (with Disk Utilities) it failed. In the mean time ubuntu did some security updates. When I tried to create again Disk Uilities did not complain but only created a small ~ 500 kB partition. I deleted that and reboot and got "unknown filesystem grub rescue>". I booted from a USB key successfully. Now Disk Utilities and File Browser can see all the partitions and files on the hard drive, but GParted thinks the entire hard drive is unallocated. I vaguely remember that there are two partition table on the hard drive. It may be that one of them was deleted (when I removed the ~ 500 kB partition with Disk Utilities earlier maybe?). It seems at least the other partition table is still intact since Disk Utilities and File Browser can still see all the partitions and files. Is it possible to restore the deleted or damaged partition table and make the hard drive bootable again?
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Oct 18, 2010
I Inadvertently deleted a good partition while trying to clean up after a 10.10 update install failure that left grub broken and prevented me from using my working Linux partition. (installed 10.4 in a new partition) Used testdisk to restore the deleted partition which resulted in the entire partition table being wiped out.All partions are gone, win Xp, 2 Linux partitions, 2 Linux swap partitions.Testdisk deep search does see the partitions but will not recreate the table.
Is their anything I am doing wrong in Testdisk that it won't write the table?Nothing else has been written to the disk.I very carefully recorded the partition information - is their any way to manually enter?
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Jun 11, 2011
A couple of years ago, I got a 2TB drive and installed Debian on it.
I used the standard installation procedure, as I recall, and created three partitions, which are shown below in the output of "fdisk":
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Feb 21, 2011
I have a hard disk with a non standard partition order which is likely to have to have a windows restore done on it. I actually have it the way I want it atm. I am interested in finding out if there is a handy way to back up the partition table, like I can backup the mbr. Where does the partition table hide? 160 Gig Sata hd, btw.
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Jul 27, 2010
I have a problem with one hard disk,now it says its Unallocated,and i tried to create a new partition on it,but it says that first i need to create a partition table,but when i create one,choosing msdos label,it doesnt to nothing. I used Gparted in Fedora,how can i create a partition table,so i can use my hard disk again?
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Jul 4, 2010
I know now: I overwrited the mbr with a totally wrong one, and I have no backup.So far as I can recall, I had two primary partitions; the first one for xp, and there were several logical volumes for linux in the second primary partition).None of these partitions are found now, grub reports "Error 22" with the wrong mbr.Can the mbr be corrected/recovered somehow, in a way that all of the original partitions show up again?
I think, the partitions themselves are not damaged, since only the mbr was overwritten.
I suppose a fixmbr command from the recovery console of the xp installation CD would fix the mbr and make the xp system in the first primary partition bootable. Am I right? How about the second primary partition; would fixmbr find that too? (Sorry for the silly questions, but I do not want to commit more mistakes, especially irreversible ones.)
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Sep 13, 2010
Just now I accidentally used gparted and wiped the partition table on my main hard drive, and now fdisk -l shows nothing! How can i recover my partitions and avoid having to reinstall Gentoo all over again?
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Jan 19, 2010
I am currently running Linux Mint 8 on a Thinkpad T60p and I decided to free up 20 GB, formatted to EXT4 for Slackware.ed G-Parted)I was able to install Slackware with VirtualBox with my Linux Mint host and I was able to follow through with a full installation without any problems.However when I tried to install it on a real partition I got the below notification: "You will not be able to write the partition table.
Note: Sector size is 2048 (not 512)Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel.Building a new disklabel with disk identifier 0xf4252222.Changes will remain in memory only, until you decide to write them.After that, of course, the previous content won't be recoverable.Warning: Invalid flag 0x0000 of partition table will be corrected by (w)rite"
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