Ubuntu :: Maverick Installer Incorrectly Reading Partition Table
Nov 23, 2010
I think I found a bug with the maverick installer. [URL]. The installer is incorrectly reading my partition table I'm afraid it might overwrite data. /dev/sda3 is the target for the install.
/dev/sda1 = 200M = Windows system partition
/dev/sda2 = 239G = Windows install
/dev/sda3 = 50G = Where I want to install Linux
/dev/sda4 = 45G = NTFS storage
At first I had /dev/sda3 as a RAW type. In fact the only way I could create ext4 is via mkfs. I did unmount them before proceeding - mounted just as a reference in the screenshot. fdisk reads the same thing. Fresh install from LiveCD. I only have Wipe entire disk or Advanced in the installer. I don't have the "Install along side another OS" option.
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May 23, 2011
I have installed HP g6 notebook from live-cd with 10.04 LTS across multiple partitions, only to find that the partition table is not setup correctly. I place the following mount points on separate partitions:
[Code]...
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Apr 1, 2011
I ran testdick on a apple hard drive to find the tables. It looks like it found it, here's the log:
Quote:
Tue Mar 29 12:02:56 2011
Command line: TestDisk
TestDisk 6.11, Data Recovery Utility, April 2009
Christophe GRENIER <grenier@cgsecurity.org>
[Code]....
How do I restore the table using fdisk? Gparted doesn't let me check the drive. It just says unallocated space, create a table and erase all data.
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Dec 20, 2010
This is maybe the 15th time I've installed an Ubuntu OS in the past two years, and it's the first time I've really been stuck.Not long ago I installed 10.10, with no problems, but a couple days ago I did a fresh install of windows 7, and I planned to re-install ubuntu 10.10 alongside it.Before I installed windows, I created a partition on my 320gb HD, half and half, but while doing this I noticed that gparted would crash if a USB key was plugged in. I mention this because I'm convinced this is related to the problem.
After having installed windows, I went and created a bootable usb key with 10.10 using unetbootin (which I've used once before, but along time ago). I'm unable to make an actual live CD because my disk drive has been broken for the past year - a fact that has never stopped me from installing different distros with a usb key.So the installer starts as usual, but after the 2nd (or 3rd) step (where it says "for best results, make sure that your computer is plugged in, that you have an internet connection, and at least [...] of free space), I click forward, and the little wheel just spins forever,it never advances.I tried everything again with 10.04.1 and I got the same thing, this time after choosing my keyboard layout.
When I simply go to the live distro and then go to install, I see that at that moment, there's a crash report, something about gparted, which I'm assuming is a built-in part of the next step.
To sum up
-gparted doesn't seem to like USB keys
-installer won't advance to partition table
-can't use a disk because drive is broken!
My computer is an Acer Aspire 4530, AMD64. The 10.10 and the 10.04.1 installations were both 64bit.
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Feb 3, 2011
So I decided to reinstall my 10.10 to undo the 'encrypted home folder feature.' I know are other ways to undo the encryption, but for various reasons I'd rather just do a quick reinstall and start fresh.Currently, I dual boot linux and windows, each with their respective partitions. There is also a storage partition that is fat32 to swap files between the two OSes. So the partitions are:
[Code]...
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Oct 13, 2010
I have been upgrading from 9.04 to 10.04. Now, I want to install 10.10 from the beginning without losing the data in my current partitions but when I run the Maverick installer it recognize my disk as a whole with no partitions. From another posts, I suspect that the problem is in the partition list because it seems to be a duplicate partition but don't know how to fix it. This is the fdisk output:
Code:
jgarcia@jgarcia-laptop:~$ sudo fdisk -lu /dev/sda
Disco /dev/sda: 250.1 GB, 250059350016 bytes
255 cabezas, 63 sectores/pista, 30401 cilindros, 488397168 sectores en total
Unidades = sectores de 1 * 512 = 512 bytes
[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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Aug 4, 2011
I just installed Debian stable from the standard i386 DVD. When I booted up, I noticed that GRUB showed me that I had the amd64 version of Debian installed. However, I did not download an amd64 DVD, nor do I want that architecture installed on my system (even though my system can support it). The output from "uname -a" (which included both "amd64" and "x86_64") also seem to confirm this. However, I was able to install 32 bit packages and get them to work (gdebi wouldn't even let me do this when I had Ubuntu 32-bit).
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Oct 29, 2014
Setting up a randomly passworded swap partition in Debian installer with the default settings (aes-xts-plain64 w/ AES-256 key strength) gives the following line in /etc/crypttab:
Code: Select all####_crypt /dev/#### /dev/urandom cipher=aes-xts-plain64,size=256,swap
However according to cryptsetup manpage when using XTS mode the key size must be doubled so in effect the 'size=256' parameter above is actually resulting in AES-128 strength, no? To get 256 bit key length the size option should be set to 512. Quote from cryptsetup manpage:
For XTS mode (a possible future default), use "aes-xts-plain" or better "aes-xts-plain64" as cipher specification and optionally set a key size of 512 bits with the -s option. Key size for XTS mode is twice that for other modes for the same security level.
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Oct 15, 2010
My MySQL replication slave failed,while reading a large size table from master.Thhe information from error.logError 'Unknown table engine 'InnoDB'' on query. Default database: 'test'. Query: I am sure that table is a Big size table..
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Mar 21, 2011
I have a very strange issue. I have a desktop Ubuntu 10.04 system that has worked just fine for months. Now suddenly grub won't find the root partition which is an ext3 partition (/dev/sda2).The strange thing about this -- I can boot with the install CD and can mount it just fine when using mount -t ext3. If I don't supply the "ext3" type however it identifies the type as "silicon_medley_raid_member" and can't mount it. If I go into the Ubuntu 10.04 Admin>Disk Utilty -- it too identifies the type of the partition as "silicon_medley_raid_member" not ext3. Same with blkid -p. With that I get:
/dev/sda2: VERSION="42758.8269" TYPE="silicon_medley_raid_member" USAGE="raid"I have other ext3 partitions that are recognized OK. When I mount the strange partition forcing ext3 -- it too seems ok. I ran fsck.ext3 on it -- with -f - and no errors were found. I backed up the partition with tar -- again -- no errors archiving. I've even tried zeroing the first 1024 bytes of the partition -- that had no effect on this issue.So what is going on with this. Any ideas? Any ideas how to fix this issue? What am I missing?
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Sep 10, 2010
I tried to install the beta version of maverick with no luck. I used usb creator to put maverick on a memory stick. When I went into live mode everything worked perfectly so I thought why not install it. I then tried to do this but after filling out all the required info it wouldn't install. I clicked the install button and the installer froze up. I currently have ubuntu netbook remix (9.04) installed on it in desktop mode. I also, awhile ago, try installing lucid (both desktop and netbook remixes) and had a similar problem with them. They both stalled installing at the 15% mark. Now with this problem with maverick I am wondering why this could be happening. I have used different memory sticks so I have ruled that out as a problem. They all have worked flawlessly and speedily in live mode.
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Dec 12, 2010
I recently upgraded to a bigger hard disk. I used CloneZilla to copy my 150GB ext3 /home partition on my Ubuntu system to a shiny new 800GB ext3 /home partition. However, I've filled it up to almost 150GB, and I keep getting warnings that I have only 300MB available. It looks like the free space is being reported incorrectly. GParted recognizes the size of the partition as 800GB, and Nautilus reports the same when I boot from a live CD. I've tried using tune2fs to remove the reserved blocks and e2fsck -f to fix any errors, but nothing's changed.
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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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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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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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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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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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Oct 24, 2010
in maverick the default package installer (when I double click on a .deb) is Ubuntu Software Centre, how can I make the default package installer from lucid (was it called "dpkg"?) the default again? Ubuntu Software Centre is too slow and freezes every time I click on something, can it be replaced?
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May 9, 2010
I've used ext2ifs drivers to mount my ext3 partition in winxp, but I don't have write acces, it's mounted in a read-only mode, and i didn't check the rad-only box during the installation of the drivers. [URL] It's a straithfoward proces so I dont understand what I did wrong. I'm using fresh xp install with (more or less) all the updates and ubuntu 10.04 Also the partition is mounted at /home, so I dont know if that makes any difference.
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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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Jan 1, 2010
My problem isn't directly related to ubuntu or linux, but I figured that my best chance at a fix would be on ubuntu forums. The problem is that every time I reboot my computer, my partition table gets destroyed. I tried fixing it with testdisk and gparted, but as soon as I rebooted, everything is back to broken. So far I've troubleshooted to the point where I know it's not an operating system's fault. I'm hoping it's nothing more severe than a bad hard drive.
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