Ubuntu Installation :: Failed To Unmount Partitions - Install From Iso?
Feb 9, 2011
I am attempting to install 10.10 from the iso because I have no working cdrom. I uncompressed the .iso to a ext3 partitions and put the correct entries in the menu.lst file. It starts ok. The problem occurs when I attempt to install to the hard drive. At a point I get the error,
Failed to unmount partitions The installer needs to commit changes to the partition tables, but cannot do so because partitions on the following mount points could not be unmounted./cdrom I have a choice of continue or go back. If I continue the install hangs. If I go back I cannot continue. How do I fix this problem?
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Jun 4, 2010
When I try to install Kubuntu 10.04 from the live CD (ran the installer from the Live Desktop) I get this error:
I then get sent back to the partitioner after clicking continue. Nothing but the installer/live desktop is using the cdrom. How do I install it? I have also tried running the installer without the live desktop, and it still throws the same error at me.
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Feb 24, 2011
My partition table is as follows:
sda1 - WinRE - Something Windows uses
sda2 - Windows7
sda3 - Data
[code]....
I need to remove Ubuntu 10.04 and so I therefore need to remove sda5 and sda6, right? Upon deleting sda5 in Gparted it tells me to "unmount any logical partitions having a number higher than 5".
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Jul 2, 2010
HDD with four partitions: Three DOS bootable primary partitions are located in the head, and the residual extended partition is divided into several logical drives.
1st trial: 10.04 installer recognized the last largest logical drive for system installation, but installer truncated the extended partition, and created the "terrible" 5th primary partition at the end of the HDD. GParted and other utilities cannot access to this 5th primary partition. (So, I restored the lost partition table on the HDD manually by MBM. But several OS were broken.)
2nd trial: To avoid making this "terrible" 5th primary partition, I located the largest logical drive for installation at not of the end.10.04 installer recognized this logical drive, but failed again.I tried GParted. but also failed to formating to ext4.Maybe, 10.04 installer failed at this formating step. Logical drives are not supported in 10.04 ?
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Apr 20, 2010
I have a number of partitions in my Places menu that refer to either System Reserved or NTFS partitions which I have no interest in accessing and would just like to unmount/hide.
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Jul 29, 2011
I'm in the process of building a new Fedora machine. I use the machine for a VMWare server, the file server for the house as well as a Linux desktop for work.My current machine has a single 1.5GB hard drive. The new machine will have a mirrored RAID drive(2TB). I'm also contemplating using a smaller 250GB drive for the OS installation. I would then divide up the 2TB drive into /home and /var/lib/vmware partitions where the bulk of the data would reside.The goal is to be able to unmount the /home and /var/lib/vmware partitions when I need to upgrade the OS version with the data intact and remount them once the new install is complete.
The goal is to keep the family network file shares and my Virtual machines intact while reinstalling the new Fedora OS from scratch. In theory it should work. I just want to mak an (in)sanity check to ensure it will work in practice.
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Feb 27, 2009
I am using a live-cd version of linux and want to install it to my hard-drive but when i try to unmount it and go into qtparted, it says it is still busy so i cant perform changes. This is my result when i type "mount"
Code:
aufs on / type aufs (rw)
tmpfs on /lib/init/rw type tmpfs (rw,nosuid,mode=0755)
/proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
[code]....
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Jan 4, 2011
Is it possible to forbid a non-root to umount a partition that was mounted via fstab-entry?
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Mar 21, 2010
I edited fstab file and added my hdd partitions to it. just wondering should i manually unmount my partitions everytime i shutdown or restart.
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Oct 24, 2010
After in-place upgrade from 9.10 to 10.04, the message
Code:
Unmount of /dev/nbd0 failed
appears on the console at shutdown, with a warning that data may be lost, and followed by a 10 second countdown, after which shutdown continues normally.
Syslog shows this one line at each boot:
Code:
Oct 23 10:04:16 m2a74am kernel: [ 1.203334] nbd: registered device at major 43
Nothing gets mounted explicitly at /dev/nbd0, so I am puzzled about the error message on shutdown.
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Mar 15, 2010
I ran the ubuntu 11.04 live CD on my laptop that had an earlier version of ubuntu (9 maybe??). I really liked what I saw so I used the Install ubuntu 11.04 wizard and chose the option to override the earlier version. During the 'Importing document and settings' step a pop-up entitled Failed to unmount partitions. the body stated: migration-assistant needs to mount a partition, but cannot do so because the following mount partition could not be unmounted:
/dev/sda1
The only app showing on the taskbar is the Install. this is running from the live CD.
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May 4, 2011
I think the installation caused the corruption of the partition table. I removed the last 3 logical partitions and gparted correctly reported the 2 remaining distros and the swap. The problem hopefully will be solved when I reinstall those distros. I have a 160 gig HD with 3 Linux,1 swap,and a Windows partition. I attempted to install PCLINUXOS unsuccessfully. When I rebooted I had the same grub. I checked gparted and it indicated all 160 gigs as unallocated. fdisk shows the partitions. and indicates one partition as empty where I attempted to install PCLOS.
No problem in accessing any of my distros, but currently I can't make any changes to my HD. I've tried parted magic and there was no solution there. I have been unable to download the Ubuntu Rescue remix. Is there a way to restore? I haven't used fdisk or cfdisk for that purpose. I am beginning to think I would need to delete all of the partitions in the extended.
FDISK
omitting empty partition (8)
Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x23213b72
Device Boot Start End Blocks Id System
/dev/sda1 * 1 5354 43005973+ 7 HPFS/NTFS
/dev/sda2 5355 15690 83022975 5 Extended
/dev/sda3 18740 19059 2560000 82 Linux swap / Solaris
/dev/sda4 19059 19458 3203072 83 Linux
/dev/sda5 5355 7908 20506624 83 Linux
/dev/sda6 7908 10840 23552000 83 Linux
/dev/sda7 10840 13772 23552000 83 Linux
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Jul 3, 2009
How to recover from a failed OpenSUSE install. The situation is that I have a striped RAID set up on two 500Gb drives running Windows. I wanted a dual boot setup, and I tried to install OpenSUSE but it failed with a Grub error 18. This, I understand, is caused by my BIOS not being able to access the part of the drive with the /boot on. Because I have two 500 Gb disks, the OpenSUSE /boot partition is beyond the BIOS's addressing range.
The recommended solution seems to be to put the /boot at the start of the HDD - but then I'd need to move Windows after it somewhere. But I don't know how to do that and it seems a risky, longwinded business. I've given up on the OpenSUSE install. My problem is that the failed install has grabbed about half of the diskspace for its purposes. Question therefore is: how can I reclaim that space for Windows?
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Jun 6, 2010
It seems I cannot mount and unmount a USB Drive, it gives me the following error:
Error mounting: mount exited with exit code 1: helper failed with: mount: only root can mount /dev/sdb1 on /media/DAVE-1
I have changed FSTAB, and now it looks like this:
proc/procprocdefaults00
sysfs/syssysfsnoauto00
usbfs /proc/bus/usb usbfs auto,user 00
devpts/dev/ptsdevptsmode=0620,gid=500
code....
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Mar 25, 2010
I want to install ubuntu 9.10 on my HP nx9420. I left 48GB of unallocated space in between of windows and hp recovery partition. I attached screenshot of GParted. I need to make /dev/sda7 the home partition.
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May 11, 2010
I am trying to install Ubuntu 10.04 on my Desktop and I am unable to see any partitions when trying to install I also checked to see if the partition manager would be able to see them and no luck there either.I already have windows xp and OpenSuse installed on the hard drive.
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Mar 30, 2011
I am trying to duel boot win 7 and ubuntu 10.10. I have been dealing with this all day and cant figure out what's is going on. I create the partitions in windows and then reboot using a CD but when I go to select a oartition ubuntu do sent see any partitions its a totally blank drive. I have even wiped the drive totally and tried fresh install of windows and then creating partitions', even booted into the live CD area and it still dosent see any partitions just a blank drive. What am I doing wrong, or what is going wrong to cause this?
Running windows 7 x64 trying to install 10.10 x64
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May 20, 2010
I've been using Ubuntu since 6.04, not a linux guru by any means but can usually get myself out of trouble.
So, the issue... I installed 8.04 on my mother's laptop some time back as she was having trouble keeping Win 2000 running (she has a low spec no-name generic laptop btw). I live in Autsralia and she in England, i thought i could better support her if she was running Ubuntu... All has been well with 8.04 but with the new LTS release (10.04) i thought i'd talk her through the upgrade... Did the online upgrade via Update Manager, all seemed to go OK but when she went to log on after restart she got an error saying 'authentication failed' even though we are 100% sure we have the user name and password correct... Tried to do a ctrl+alt+F1 to by pass the GUI log on but couldn't get the terminal session to open up, just got a black screen - no command prompt.
So... thought OK re-install... downloaded the ISO, burned and sent her a CD in the post... talked her through the re-install, all seemed to go well (again) - BUT, after restart, couldn't log in "authentication failed" again...
So, remember i'm trying to talk a novice through all this... any thoughts!?!
If i can get her to log in i can then support her via some kind of remote sesion or other screen share... and it wont cost me a small fortune in international calls!!! But if i can't get a log in, i'm dead in the water!?
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Mar 22, 2011
I used Ubuntu before, without problems but since the 10.04 version it won't recognize my partitions. I formated my laptop and partitioned it, installed Windows 7 64bit, which I need for my work, and wanted now to install Ubuntu 10.04/10. I then used GParted to check my Harddisk and it is having troubles to recognize my partitions, too while Windows finds them. GParted is giving me an error message saying my partitions are oversized. I am still in the beginning of my Linux experiences and so I don't know what to do. I have two 250GB harddisks (how Windows recognizes them),
[Code]....
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Feb 24, 2010
I'm trying to install Ubuntu 9.10 on a Asus P5KPL-VM mainboard. However the installation doesn't recognize my partitions. If I just boot Ubuntu the partitions are recognized with GParted and by just mounting them and browsing in file explorer. I'm using a SATA disk. I've tried boot option pci=nommconf irqpoll as found in this thread [URL] with no success.
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May 2, 2010
trying to install 10.04, once i reach the dialog where i'm supposed to select partitions for mount/install, the installer reports my HDD is empty. it wants to create a partition table and proceed from there.in fact, my 1TB disk is 50% full and contains 10 partitions, including /boot /home, swap (which i wanna reuse) and 2 other OS partitions. these partitions do show up when running nautilus in 10.04 live, also "fdisk -l" shows them - the installer does not.
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Mar 3, 2010
Xubuntu 9.04 installation CD not detecting any of the current partitions. This all started when I reinstalled windows XP a few days ago.After, the computer wouldn't boot into GRUB and would boot directly into windows.Other threads have dealt with a similar issue, that of overlapping partitions causing libparted/parted/gparted to detect the whole drive as unallocated space. The problem in these threads seemed to be a corrupted partition table, in which the partitions overlapped with each other. So of course I checked the output of fdisk -l for overlapping partitions, but I don't see any obvious overlapping partitions. I've noticed that the partition that used to be linux swap isn't showing up in the partition table at all. I might just be missing something simple here and would like another set of eyes to help me figure this one out. Does the problem have anything to do with the partition table being out of order (ie. not in order of what regions they cover on the drive)? From the liveCD I've run
Code:
sudo fdisk -lu
sudo sfdisk -d
sudo parted /dev/sda print
and have received the following output:
Code:
ubuntu@ubuntu:/mnt$ sudo fdisk -lu
omitting empty partition (5)
Disk /dev/sda: 60.0 GB, 60011642880 bytes
[code]....
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Feb 9, 2011
I am installing Ubuntu on the same hard drive as Windows 7. The partitions of Windows 7 have already occupied the left part of the hard drive. From left to right, the Windows partitions are one partition for Windows booting, one for Windows OS and software installation, and one for data which is planned to mount on Ubuntu. I was wondering how to arrange the order of partitions of root, home and swap, i.e. which is on the left just besides one Windows partition, which is in the middle and which is on the far right?
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Jul 12, 2010
I am running slackware-current and using the Novatel usb760 3G modem. before i use kppp to "dial out" I have to eject the device. It works fine except that i periodically get a popup window with:
"Failed to eject "VZAccess Manager Device to unmount is not in /media/.hal-mtab so it is not mounted by HAL."
it happens every 30 minutes to every 10 seconds. anyone ever experience something like this?
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Jan 9, 2010
I have vista and opensuse 11.2 on my computer, the problem is i can't open ext3 partitions from vista but i can the other way. I tried Ext2fsd but the linux partition is always in a read only mood even when i change this option. Also, all folders are empty I downloaded the program as admin and compatable with XP SP2.
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May 1, 2010
I'm currently running a Ubuntu 9.10 64bit machine with one of those 2TB WD disks that does have 4KB blocks.Unfortunately the current partition layout is misaligned, so I plan to back up my home directory and start fresh with a 10.04 install, trying to make the partitions aligned as suggested here:what I'm wondering is, does the 10.04 partitioning program take care of the alignment today or I have to resort doing manual partitioning with a separate tool?
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May 10, 2011
I have Ubuntu 10.04 (32bit) alongside Windows Vista currently. I tried to install Ubuntu 11.04 (64bit) from a bootable USB stick and found out that none of the current partitions are visible.
My PC is a Dell Inspiron 1525 with dual core Pentiums. Here are my partitions. I am reporting all this back from my current, stable Ubuntu 10.04 platform:
Code:
~$ sudo fdisk -l
Disk /dev/sda: 250.1 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
[Code]....
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Feb 16, 2010
Having an issue with a fresh install which gets stuck at partitions formatting 33%. Tried different HDD's, 2 optical drives, 4 sticks of RAM, different SATA cable, disconnect floppy. Have tried both normal and alt cd images using different burn speeds.
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Feb 14, 2011
Hey guys,
I' trying to install 10.10 Desktop from a CD onto a Dell E5410 notebook with Windows 7 installed.
The problem is that during the installation, the installer doesn't see the Windows partition, moreover, it doesn't see _any_ other partition.
I've tried with CentOS 5.5 as well and it returned some error related to GPT Partition Table corrupt which might have been corrupted by a software (or not).
Removing Windows 7 completely is not an option, there's a bunch of business applications which will not run on Linux even with Wine.
I'm not sure if the problem lies on the hardware, or the installer.
The BIOS provides advanced UEFI boot options and legacy boot, but this doesn't explain why no partition is discovered.
Tech specs: core i5, 4GB ram, 320 GB disk space. The installer is 32 bit, but I'm quite the architecture doesn't really matter.
If someone has more knowledge about this kind of issue, any answer is welcome.
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Jun 17, 2010
I'm an old user of Ubuntu/Linux but have stumbled across my first major problem in years. I just can't get my head around it.I own a Asus Eee Pc 1005HA it has roughly 160gb and is currently running WinXP. I'm trying to install the latest Netbook remix 10.04 onto the machine as a dual boot option.I've loaded the iso onto a usb drive and everything works perfectly. The problem is during installation. I can't work out how to set up the partitions for a dual boot option. Below is the current configuration on the system.
/DEV/SDA
/DEV/SDA1/NTFS 77375MB Windows XP Partition
/DEV/SDA2/NTFS 77366MB Free space
[code]....
I would like to use the free space as my Ubuntu installation. Can anyone advise me on the best way to install this without affecting my WinXP system.
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