Red Hat / Fedora :: Removing A Disk Causes Boot Error?
Aug 17, 2010
when it comes to disk and volume management in linux, I'm attempting to install a new 1TB disk to remove the current 250GB disk, the system also has a 37GB disk.
What I did was that I added to new 1TB disk to the system with the LVM tool, I added it with a mountpoint of /storage2. Then I removed the old disk with the LVM tool and moved it's data to the remaining disks (the 37GB and the new 1TB) with the LVM tool.
Everything looks ok so far.
When I reboot with the old 250GB disk still in the system it's all fine. But when I remove it, the system won't reboot. I get to the point of where the fedora screen usually turns up.
The old disk had 2 partitions, the new one has only one, I'm starting to think there's something in there causing the issue? Can't load that big partion at boot or something?
If I'm missing to fill in some details, just ask and I'll try to answere. I now has the old disk back in the system to be able to boot.
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Nov 19, 2010
Currently I'm running 3 operating systems on my machine (in order of installation); Windows XP, Windows 7 and Fedora 14. Unfortunately, after I installed Fedora I'm no longer able to boot Windows 7/XP. When I select the "Other" option in the Grub menu, I get the following error:
Code:
Error 21: Selected disk does not exist
To provide more info, here is a boot info script result:
Code:
Boot Info Script 0.55 dated February 15th, 2010
Boot Info Summary:
=> Windows is installed in the MBR of /dev/sda
=> Grub 0.97 is installed in the MBR of /dev/sdb and looks on the same drive in partition #3 for /grub/stage2 and /grub/grub.conf.
=> Windows is installed in the MBR of /dev/sdc .....
mdadm: No arrays found in config file or automatically
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May 13, 2010
Today I installed Fedora (I need it for school), but not everything seems to work fine Before installing Fedora on my Macbook I had a triple booting machine: Mac OSX snow leopard, Windows 7 and Ubuntu. (using rEFIt) All of them where working. Since I installed Fedora on the 4th partition I can only boot Mac OSX. When selecting one of the other OS's it says: "no bootable device insert boot disk and press any key"
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Oct 20, 2010
I downloaded the Fedora live dvd iso file, burned it to a dvd. I was wondering if I forgot to do something or did I do something wrong. When I try to install from the dvd I get this error message, isoLinux: Disk error 80 , AX = 42A7 , drive 9F Boot Failed: press key to retry When I press a key to retry I get the same error. I also tried to install virtual pc and get not boot disk found.
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Dec 30, 2010
I have a (slightly complicated) dual/multi boot system.
I keep getting boot errors (when choosing ubuntu from the grub2 menu)
Code:
Serious errors were found while checking the disk drive for /boot
If I switch off and restart, ubuntu will then start without issue.
My setup is like this ....3 disks, one with 10.10 clean install - so Grub2, separate partitions for /, /boot and /home, one with windows 7, one with windows XP and 10.04 wubi (this is my old disk which I will trash once I'm happy with my upgrade to 10.10 & 7 on separate disks.
I installed 7 and 10.10 with ONLY their disks installed. After both were working, I added all disks and rejigged the grub2 menu (using update-grub and StartUp-Manager).
This problem only seems to occur if my previous boot was not 10.10 ( I will investigate this further). It's as if something (grub2 ?, the bios ?) is remembering part of the previous boot and not using the grub2 menu completely.
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Aug 17, 2010
i finally decided to updgrade from Hardy Heron to Lucid Lynx. for this i made a backup of my old install, then i couldnt find my Lucid CD so i used a Karmic one to partition my old ext3 to ext4. There were some errors but after trying a few times it worked. Installed Karmic, rebooted (worked fine), downloaded all updates - (did NOT reboot to let updates take effect) and upgraded to Lucid.
Everything went fine so far. Now when i try to boot into Lucid the system hangs, i've also got a windowsXP partition on there so i tried booting that, first grub tells me Error 29: Disk write error then trying again windows seems to boot but it takes much longer than it should and seems to hang.
Then i tried Karmic and Lucid LiveCD (which i found in the meantime) none of the LiveCDs make it to boot after about 20 minutes. (previously they worked fine)looking at the errors it seems to be something about the harddrive. Why the harddrive would stop the LiveCD booting is a mystery to me but the same messages appear when i select Recovery from the Grub menu so i guess the problem is related.
[Code]...
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Sep 1, 2010
I had a a problem booting last night when my laptop battery came loose and caused a crash during boot.It ceased loading a daemon and I turned it off with the power switch, then I received the boot error,then i checked the linuxdrives directory and it was corrupt,I then, out of ignorance, ran wubi from within windows XP and said unistall believing that it would reinstall and fix itself.Thus you can see my green behaviour.I have been searching the threads and have tried many things but have had no success, I will suffer a great loss if I lose that load of Ubuntu as I have allot of work stored there, and in my Thunderbird accounts.
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Oct 16, 2009
my Fedora 11 system is not starting anylonger. It stops with the message:
Code:
VFS: Can't find ext4 filesystem on dev dm-0
The system told me since a while, that a lot of the sectors of one disk of the (software) RAID compound are failed already. So tried to disconnect each of the disks and start them separately. Unfortunaltly this is not working (for one its is not working at all, the other wents the same far as with both), when I tried to recover the system with the Fedora DVD, it said no distribution found. I am quite new and do not know so much about linux system, so i do not know what further information you could need. Maybe it can be important, that both disks are encryped (the system wents so far, that I can type in the password).
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Jul 18, 2011
So what happened is i had a small encrypted lvm volume that i no longer need because I have bought an external HDD and used truecrypt on in. So after I transfer all the files off of the encrypted partition, I restart and drop into single user mode and remove the unneeded volume. When i attempt to restart, instead of going to the login screen, when the boot progress bar is full, it says "welcome to emergency mode: enter rootssword for maintenance or press control D for normal mode" or something along those lines. I tired control+D, but that just brought me right back to the emerengy mode screen. I put in my root password and tried startx, but then x gave me this error: "can not start D-bus, can you call q-dbus?". After that i tried both "service dbus start" and "dbus-launch", both of which failed. Is there any quick remedy to this situation, or do i have to reinstall
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Jun 8, 2010
1. I accidentally removing /etc/fstab
2. reboot
3. It enter gdm/runlevel 5 though several warning complaining missing /etc/fstab (i can post the boot.log if it is needed)
4. I "touch /etc/fstab"
5. reboot (and cannot pass run level 2)
I can enter run level 1, but when after that if I "init 2" it is halted. Most of the boot message (after i create empty fstab with touch) is complaining about read only filesystem.
ps note:
1. I use LVM
2. I don't have access to a live cd until saturday
3. /etc/mtab is empty as well when i checked it in run level 1
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Jul 8, 2011
I'm trying to install ubuntu on a windows vista pc from a usb which I have saved ubuntu on from another linux computer but every time I select the usb drive to boot from in bios all I get is "disk error press any key to restart" on both windows and linux machines, any ideas on whats wrong?
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Aug 25, 2010
These should be my last pleas for help with regard to Fedora 13. I've been unable to turn off the notifications that appear in the top right corner, despite a decent amount of searching on google. I can't remove any notifications package without removing a bunch of important software along with it. Also, F13 refuses to "Safely Remove" either of my external disks. I have to yank out the usb cord, touching wood each time.
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Sep 4, 2010
Edit: This is somewhat inaccurate, please see post #16 on page 2 for my actual situation
I'm more than a little confused by this. A little while back I had to reinstall my machine because I had a hard disk failure and I replaced my primary drive.Everything went perfectly smoothly, but then a couple of weeks after that when I rebooted, it dumped my into the grub rescue console
Code:
error: out of disk.
grub rescue>
So, I found a solution to the problem on these forums, rebooted perfectly fine, and thought everything was fine. Until the next time I rebooted, when it happened again. And now, every single time I reboot, I get the same issue.I have to do the following, each and every time I want to reboot - and i'm at a loss to explain why grub is borking itself every time.Boot off a live cd.Open a konsole window
Code:
sudo su -
mount /dev/sda6 /mnt
mount /dev/sda1 /mnt/boot
mount --bind /dev /mnt/dev
[code]....
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Aug 23, 2009
I've burned about a dozen disks and they all tell me disk error I really wanna run a dual boot and I used this to partition my hard drive with this EASEUS Partition Master 4.0 Home Edition and burned the disk with this InfraRecorder and then went to reboot and press F11 for boot order.I can see the boot screen and thats when it says disk error.
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Jul 18, 2010
I've installed Ubuntu Server V9.10 (64-bit) on a brand new server I built with no previous OS installed. The drives are two Hitachi 1 Tbyte hdd's configured as RAID1, an ASUS M4A78T-E motherboard with an AMD Phenom-II cpu with 8 Gbyte of memory. I updated the bios following building the computer. The Ubuntu 9.10 server installation appears to go without error. However, on reboot I get the message:
Grub loading
error: no such disk
grub rescue
I suspect the MBR is missing or Linux is not pointing to the correct drive in the grub.cfg.I've made sure the boot order is correct, but other than that I don't really know the commands or syntax to troubleshoot this problem. The only CD I have is the Ubuntu 9.10 server ISO I downloaded and burned to dvd.
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Feb 1, 2010
I've installed Ubuntu Server V9.10 (64-bit) on a brand new server I built with no previous OS installed. The drives are two Hitachi 1 Tbyte hdd's configured as RAID1, an ASUS M4A78T-E motherboard with an AMD Phenom-II cpu with 8 Gbyte of memory. I updated the bios following building the computer.
The Ubuntu 9.10 server installation appears to go without error. However, on reboot I get the message:
Grub loading
error: no such disk
grub rescue
I suspect the MBR is missing or Linux is not pointing to the correct drive in the grub.cfg.
I'm a noob to Linux. I've made sure the boot order is correct, but other than that I don't really know the commands or syntax to troubleshoot this problem.
The only CD I have is the Ubuntu 9.10 server ISO I downloaded and burned to dvd.
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Jun 25, 2010
After updating my motherboard BIOS, I'm now getting these error messages every time I boot up:
[ 16.157447] ata3.00: exception Emask 0x100 SAct 0x0 SErr 0x0 action 0x6
[ 16.157488] ata3.00: failed command: SET FEATURES
[ 16.157525] ata3.00: cmd ef/05:fe:00:00:00/00:00:00:00:00/40 tag 0
[Code].....
I've got a 200GB hard drive, using an ECS SiS 755 A2 motherboard w/1.1b BIOS.
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Feb 12, 2009
I've downloaded Ubuntu 8.10 and I have installed it within ms windows. My first problem was when I went to boot Ubuntu and the graphics weren't right so I rebooted it with a different graphic configuration and it installed successfully. When I went to boot Ubuntu a second time to actually use it I got the following error:
ALERT! /host/ubuntu/disks/root.disk does not exist. Dropping to a shell!
BusyBox v1.10.2 (Ubuntu 1:1.10.2-1ubuntu6) built-in shell (ash)
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May 18, 2011
We have a centos 5 instance running as a virtual machine on vsphere 4.0, which has a number of virtual disks presented to it. We need to remove these virtual disks from the system without rebooting it, but have had no luck searching VMware's KB or the internet for solutions to the issue. It seems we can strip the disk of all it's partition information, then remove it from the system in VMware, but /var/log/messages still reports scsi errors when running fdisk against the said disk. There is also a folder with the deleted disk's name (e.g. /sys/block/sdp), after the disk has been removed and the host bus has been rescanned. Is it even possible to completely remove disks from linux without a reboot?
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Dec 22, 2009
I'm trying to install Fedora for the first time on my Desktop. Unfortunately, upon restart once the installation is complete I get the following error:
Code:
This is from Fedora 12 x86_64 DVD. I presume that this obviously has to do with my disk selection during partitioning, during which I deselcted the two drives that I didn't want to be part of the install and left the one that I did selected. I also selected "use entire disk". The drive had copies of both Ubuntu and Windows 7 on it, which I expect were wiped out during install.
I know that the details are sparse...but that's all I did. I'm happy to go back into the installer to retreive any necessary information that may be needed/to reinstall.
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Apr 8, 2011
I have multi-version Kernels on a Dual Boot WinXP / openSUSE 11,3 box. It's been a LONG time since I needed to boot to Win XP and now that I find that I can't get to it, I can not say for sure what I did to break it. Looking back, I suspect that the method I used for the recent removal of one of the Kernel versions may have been innappropiate. Rather than unchecking in versions/package groups I may have just removed the unwanted kernel in the package list. Not sure. I've tried dinking around with menu.lst and Yast Boot Loader to no success. I get errors depending on what I messed with. Didn't try to reinstall grub until I checked here for help with a fix.
Here's some info:
Code:
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May 23, 2010
I can't get Ubuntu 10.04 to boot for install (to my desktop), it displays the logo then hangs for about a minute and displays the alert dialouge saying "Boot disk error."I've tried multiple CD-Rom drives, burned from multiple computers, with both the desktop and server downloads. I'm down about 10 CDs and 2 DVDs here I've checked their integrity (md5) as well as checked the disk integrity from another computer (laptop) and everything passed. I got xUbuntu to install effortlessly, so I don't know what's causing the problem for Ubuntu. I can even look at the contents of the Ubuntu Server CD from within xUbuntu -- so, I know the disk really should work.
My system specs are pretty basic:
2 x Xeon 2.0Ghz
Tyan S2720 Motherboard
2 Gig (4x512) ECC PC266 RAM
[code]....
why xUbuntu worked and regular Ubuntu won't, and/or maybe what I can do to fix this?
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Jun 17, 2010
I am a long time Windows user and attempting to install Ubuntu Netbook 10 on my Acer Aspire netbook.I followed the steps:1) Downloading the Ubuntu ISO to my netbook hard drive.2) Installed Ubuntu from the netbook HD to USB using USB universal installer (also using the universal installer to format the USB)3) Set bios to first read USB deviceI receive the following message during the boot "Invalid system disk. Replace the disk, and then press any key.I have retried this process several times.
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Nov 20, 2010
I was using the disk utility on Ubuntu 10.04 and wanted to make by 500GB external NTFS formatted USB drive into 1 x 50GB FAT32 and 1 x 450GB NTFS. I clicked the option that said format or create a partition and it basically wiped the whole thing in a split second leaving me with 500GB of seemingly empty space. Obviously the files are still there but I cannot boot the drive to view anything. I have downloaded testdisk, but don't know how to use it, but I am sure there is a relatively simple solution here. I am currently repairing the boot sector of the drive as Test Disk showed the drive as "no type" i.e. not FAT/NTFS/ext4 etc., but shows the correct amount of used space though, but I cannot view anything err go, I cannot use the undelete command as yet.
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Dec 27, 2010
Downloaded Ubuntu 10.04.1 Desktop AMD64, tried to install it to a cleand HDD using the whole HDD, i.e. gave it permission to use the whole HDD. Installation process appeared to run OK but when it came to the restart it just fired up the message
error: out of disk
grub rescue>
I've searched this forum and found numerous references to these error messages but cannot make head nor tail of the diagnostic suggestions. Apart from anything else they suggest strings of command lines which I don't understand and can't enter anyway since they don't correspond to my keyboard layout (if I hit > or ) something completely different appears on the screen). Is there someone here who can provide a step-by-step solution in lay language? Or is there such a thing as a bootable file which can be downloaded and inserted into my CD drive to correct this problem?
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Jun 14, 2010
I had a 400GB hard drive fail on me today that was part of an lvm2 logical volume made up of it and 3x1TB hard drives. I did a partial mount of the lv to assess the damage, and it wasn't bad. All the important stuff is either on the other disks or backed up. So, I want to reduce the lv and remove this disk from the vg.
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Feb 27, 2010
I just bought a brand new hardrive (40gb western digital) IDE, 10 pin.I have gone through the installation and partioned the hardrive, when it gets to 100% it asks me to reboot.So i take the disk out, and then it says DISK BOOT FAILURE, INSERT SYSTEM DISK AND PRESS ENTER:So i press enter and i get the same message> How can i get Ubuntu to boot up?The computer is a 2003 Medion pc with 512mb of RAM And an AMD Athlon processor. The computer has a sticker on that says: Designed for windows xp.
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May 9, 2011
My system has Windows XP Pro SP2 installed on /sda1 and originally a 10.04 on /sdb1-3, now upgraded to 11.04. The Ubuntu system works fine (teething troubles with nvidia drivers on upgrade but fixed now), and the Windows system shows up in the grub menu, but when it's selected, I just get `GRUB Hard Disk Error' and nothing else. Windows installed properly, and booted successfully until I installed Ubuntu in the first place. I can still access the files on that drive from within Ubuntu.
I've tried fixboot in the Win Recovery Console, which sounded like it did something, but didn't fix the problem. This problem isn't new to grub2, by the way - I just haven't needed Windows in a year.
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Oct 1, 2010
I have a dual boot System with Ubuntu 10.04 Netbook Remix and Windows XP SP3 on an Asus eeePC 1000HE. I had some troubles with updating kernels etc. and I ended up with following problem:
After grub reinstall, I am able to boot Ubuntu, also I can mount the windows partition properly. Trying to boot into Windows, I get the error:
Code:
It's all on one hard drive which doesn't show any errors:
Code:
Partition table entries are not in disk order
Code:
Some partitions don't show a file system because they are luks-encrypted.
As I mentioned earlier, I am able to mount sda1. I think the problem is that the Partition Boot Sector is corrupted, even though I am not sure if the ntfs partition is damaged at all or if GRUB is the problem.
As I said I had problems with a kernel update and therefore had to reinstall GRUB. I think, but I am not sure, that I accidentally installed GRUB on sda1 (the windows partition) instead of on sda. After I installed GRUB on sda again, I was able to boot linux and fixed sda1 with testdisk. Before, sda1 showed as four partitions (sda1p1, ... , sda1p4). I was not able to mount sda1 till I fixed it with testdisk. testdisk says the Boot Sector of sda1 is OK, so does ntfsfix.
Finally, an extract from my /boot/grub/menu.lst:
Code: ...
The Windows XP entry is added by myself. I don't know much about grub, so there might be the error.
I tried to keep it as short as possible (this is only the end of the story), I hope I didn't forget anything important. Please ask if there is something not clear.
I am in Tanzania with this netbook, so it is not possible to boot Windows CD and fix the windows partition with it, also I don't have a very fast Internet connection.
Is there a way to fix this without a Windows CD? Maybe it is just a dumb mistake in the menu.lst?
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Nov 7, 2010
my computer screwed up and the MBR or GRUB was screwed up, so I got my Windows 7 repair disk and repaired the MBR. Then I needed grub back so I could boot into Ubuntu so I went and looked for something to just install grub and found this Auto Super GRUB Disk (ASGD) thing. So I installed it and then it appeared on the windows boot manager menu when I started up and I went into it and installed grub again. Then when I booted back into windows, it asked me if I wanted to remove ASGD and I clicked yes. Ever since, the ASGD entry has not been removed from my boot menu for some stupid reason. What happens is the computer starts and goes into GRUB which is what I want and then if I go into Windows 7, it will then come up with another menu asking whether to boot into Windows 7 or the ASGD, even though ASGD isn't there anymore. I can still boot into windows, but this extra menu that comes up every time is starting to **** me off. I've tried EasyBCD and the entry does not come up on there.
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