Ubuntu :: Harddisk - Cannot Mount On Other Occasions - Shows "UUID Not Found"
Dec 17, 2010
I'm having some trouble with one of my system harddisks. It sometimes works without problems, but is not mounted on other occasions. Even when it's mounted, it's working extremely slow and programs using files from it may crash. On other occasions, however, there are no problems at all. If it's not automounted, I may be able to mount it manually but it sometimes shows "UUID not found". If has a lot of SMART errors:
[Code]...
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Feb 6, 2010
I run a headless Ubuntu 8.04 server, which acts as a web, email and file server. I am sticking with 8.04 as it is a LTS release and will upgrade to the next LTS when it is released.
I have two external USB drives, that I need to mount at boot. I have been using /etc/fstab up until now, with the following entries:
Code:
However, as I gather from doing searches is quite common, occasionally I get an error during boot (causing the system to drop to a recovery shell) because the USB drives take time to wake up and the system hasn't found them by the time it reads /etc/fstab.
From doing searches, it seems there is nothing you can do to fstab to fix this, so you need to mount them using an rc.local script instead, using:
Code:
The problem is, as I have two USB drives, their /dev/sdxx location changes between boots. I thus want to use UUID codes as I do in fstab, however I haven't found anything about this.
Does anyone know how I can use the mount command and UUID to mount a drive in rc.local and what options I have to use the mount the drive with the same options that I am using in my fstab entry? Obvisouly, I can't refer back to fstab using the mount command, because then I will still get the boot error issue if they are listed in fstab. And there is no space internally for the USB drives as there is already two internal drives.
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Feb 17, 2011
I'm running ubuntu 10.10 on my Toshiba Satellite L645 laptop. Few hours ago, when my laptop was in screensaver mode, i couldn't login again, it was just blank black screen So i switch to terminal 1 by pressing Ctrl + Alt + F1 and login from there. Then i restarted by "sudo shutdown -r now". I did this a few times before and it's no problem. However, this time when the computer boot, I got the errors like :
---many similar errors like the following line---
mount: mounting /proc on /root/proc failed: No such file or directory
Target filesystem doesn't have requested /sbin/init.
No init found. Try passing init=bootarg
and redirected to <initramfs> prompt
So i googled and tried the liveCD and try to fix the hard drive with fsck. My partition resides on /dev/sda1 and using ext4
[Code]...
That's 3 blocks of information i got by following instructions on the IRC channel. I just forgot to paste the first command and now can't remember what it is
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May 28, 2010
I was upgrading from 9.10 to 10.04 and now my HDD can't boot at all to the 2.6.34-rc6 kernel, I get dumped to the busybox shell, and when I select the 2.6.30.9 I get "The hard drive for / is not ready or not present."
I can see the drive fine with fdisk -l, /dev/sda1 is my HDD, but when booting something isn't working right. Also, is there a way to make GRUB 2 automatically show the menu so I don't have to hold down the shift key?
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Mar 22, 2010
I have a Netbook Remix install on an SD card that won't boot. Grub2 in the recovery mode shows it fails finding the root files by using UUID. It's my first Grub2 install and I'm not sure how to go about debugging it. The machine boots the same version from a USB stick.
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Apr 24, 2010
Using a M2N32-SLIDeluxe MOBO, both OS crash trying to start. It says that the timeout trying to boot from my sata device was reached.It seems that is a problem trying to boot/mount the HD by uuid, because all the other systems that does not use grub2 has problems.
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Apr 5, 2010
I have been working with dualboot XP and ubuntu on my laptop and screwed the system completely. No matter what I do I get the message "Operating system not found".I also have been trying with, super grub disk, without success.
My question: Can I solve the problem with a new or a blank Harddisk?
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Sep 21, 2009
My hard disk is failing, and I want to rescue the files from it before it is un-bootable. I was planning to do this by booting a live cd, making a .tar file of /, and then burning it to a cd or dvd. The disk is still bootable, but I'm getting warning messages that 73 sectors are bad. I have another hard disk ready to plug in, I just need to rescue the files, and then install Fedora 11 64-bit on the new drive, at which point I will overwrite / with the / from the .tar file.
Basically I was just wondering how to mount a hard disk to recover files from a rescue cd. I tried to make a .tar file of / already, but that failed because the system was active and changing the various system files at the same time that tar was trying to package them.
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Jun 28, 2010
I have an SiI hardware SATA RAID card, with two 500GB disks in mirrored RAID configuration. When I first plugged them in and set it up, things seemed to work ok, but on boot the raid controller told me that the RAID needed rebuilding, and it would happen automatically after POST. So I didn't worry about it, and the drive mounted fine, and it's been that way for years. I just went in and manually on-line rebuilt the RAID in the controller's BIOS, and now when I boot into Ubuntu, both disks show up in fdisk, but neither show up in /dev/disk/by-uuid. Am I missing something?
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May 16, 2011
After installing Slack 13.37 on one of my systems while using my own (non-standard) kernel it refused to boot as the harddisk couldn't be found anymore. Investigation yielded that the ahci.ko driver wasn't loaded (but libahci.ko was). However I listed both ahci.ko and libahci.ko in the mkinitrd -m parameter so there had to be an error in the new /sbin/mkinitrd script. It turned out that a grep at the end of the script weeded out my ahci.ko module as the searchterm "ahci.ko" was already detected in the modprobe line for libahci.ko.
I decided to fix it in an easy way : I just prepend a "space" in front of the module name at the line where the grep is called :
[Code]....
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Jun 21, 2010
For whatever reason /dev/sda3 (at /tydelik) does not mount itself (like all the other partitions) when the system reboots.
In YaST's expert partitioner it says that:
Quote:
An asterisk (*) after the mount point indicates a file system that is currently not mounted (for example, because it has the noauto option set in /etc/fstab).
Here is the /etc/fstab :
Quote:
I don't see a noauto option. Is it hiding somewhere?
Also, if I say the following then it seems that /dev/sda3 is ext2 and not ext3 (as YaST says).
Quote:
Firstly, how do I specify /dev/sda3 to be mounted by default (because I thought it would unless there is a noauto specified), and secondly, why is YaST not showing the same settings as when I say "mount" ?
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Jul 27, 2010
We are planning to work on CentOS 5.5 running from LiveCD (CentOS-5.5-i386-LiveCD-Release2) on a Windows partitioned machine.
As part of our work, i need some files and installers (Linux compatible) from an External Harddisk.
When i tried to mount the harddisk, found ntfs module is missing.
Could please help to continue with LiveCD.
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Jan 30, 2010
i was installed Redhat linux in windows using sunVM, linux is not mounted the external USB hard disk, it is recognizing CD,DVD and pendrive but not external Harddisk,
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Dec 27, 2009
I have a mounting rack in which I try to plug in various HDDs. Now, all of them have vfat. Blkid returns something like:
/dev/sda7: UUID="4B16-F1E8" TYPE="vfat" The UUID looks abnormally short to me. I found no way to obtain a longer, typical UUID, and when I set Yast2 partitioner to mount by UUID, it sees and it successfully uses the short UUID. Yast2 even adds it to /etc/fstab like this: UUID=4B16-F1E8 /windows/C vfat users,gid=users,umask=0002,utf8=true 0 0 However, this short UUID is useless in /etc/fstab. It doesn't work at boot time and it doesn't work when I try to mount manually. xxxxx:~ # mount /windows/C mount: special device UUID=4B16-F1E8 does not exist. Also, one cannot find these short UUIDs in /dev/disk/by-id/.
For a billion reasons, I really want to mount these FAT32 partitions by UUID. Do I have any way to do it?
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Oct 26, 2010
I need a command to display the next info from my hdd:
device name - filesystem - uuid - mount point
I found blkid but the mount point is not displayed, I've already look in man but there is no parameter for that
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Jan 22, 2010
I am using eclipse, and whenever a pop-up appears (like auto complete, error detail, suggested fix - usually triggered by mouse-over) over the text field, the caret no longer types. I imagine the text field lost focus when the pop up appears but never got it back.
I can re-enable typing by either alt-tab, or switch workspace then back. But it is REALLY annoying since I need to do this every 30 seconds. The same problem happens to terminal, tex editor, and many other text fields.
I am using an ACER Aspire ONE (N270 atom, 2GB, Intel GMA945). I noticed after upgrading to 2.6.32 kernel but now I have checked with older kernels, they all have the same problem.
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Mar 1, 2011
I seem to have another issue with my raid system
mount -a
mount: special device UUID=fb518c74:2b6bd0f4:66db5ce6:7e004239 does not exist
but when i do mdadm -vv --detail /dev/md5 ... this is what i get --->
/dev/md5:
Version : 1.1
Creation Time : Fri Feb 25 14:07:36 2011
Raid Level : raid1
[code]....
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Jun 18, 2011
how can I clone my installed ubuntu to a new harddisk? with 32bit ubuntu I have used:tar cvpzf -> create a tar file on my external nas system. after that I have done a restore tar xvpfz - worked with 32 bit.
Alternative I have mounted both disks and via another linux partition I have used:
cp -rvbdR /source/* /target
both methodes worked with ubuntu 32 bit. With 64 bit ubuntu I can NOT get it to work. error message after booting the clone: /var/lib/gdm/.ICEauthoriy ..
I can see that /source/var/lib/gdm has different rights as /target - will be part of the problem.
This did not happen with the 32 bit ubuntu - but why ?
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Jun 19, 2010
In the fstab it is written to run :
"vol_id --uuid"
and that it is a robust method...
but well there is not vol_id
command not found
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Feb 23, 2011
Why is it that about 98 to 99% of the time my computer will boot to Ubuntu/Lucid just fine but on rare / random occasions after seeing the initial BIOS boot screen and initial cursor just after initial BIOS boot screens, the video will just go BLANK, i.e. does not boot to Ubuntu desktop ?
If I then do ALT,CRL,DEL sequence the SPLASH screen is displayed on the monitor and the system then reboots and then goes thru the complete boot process all the way to the desktop just fine.Why this occasional failure to boot completely to the desktop ?
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Jul 20, 2011
I have an Olympus D-560 ZOOM. I used to be able to download pictures from the camera with: SuSE, Fedora, early Ubuntu, etc. (I still can mount and download from my camera on these systems.) I now have Ubuntu 10.04LTS and no longer is my camera recognised. I cannot make sense of the forum threads on this topic, dating back to Ubuntu 8.0-something, that generally ramble on for endless pages without reaching a sensible conclusion (it's a bug, it's not a bug, it's because of gphoto2, it's a gvfs problem, etc.). So maybe there is a definitive answer why my camera that works on other linux will not work on Ubuntu, and maybe by now there is a real fix that does not involve me rebooting my laptop into an old linux distro.
`mount' shows the camera never gets automounted. Manually `mount /dev/sdb1 /media/camera' sometimes hangs and never completes, or sometimes answers immediately `mount: /dev/sdb1 is not a valid block device'. Output in /var/log is below.What's going on, and how can I fix it? I do not use, and I do not want to use, fstop, gphoto, gimp or any other specific software to access my camera (I have tried to download using these anyway and nothing works), I just want to mount the camera as though it were a flash drive in the same manner I have always done. Remember, this does not happen on other distros or early Ubuntu.Here is the relevant output notations in /var/log/messages and /var/log/syslog.
Jul 20 14:34:17 grace kernel: [12402.825779] usb 5-1: new full speed USB device using uhci_hcd and address 11
Jul 20 14:34:18 grace kernel: [12403.013923] usb 5-1: configuration #1 chosen from 1
[code]....
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Mar 23, 2011
I have the follwoing fenomenan. In my /etc/fstab I have an entry to automatically mount my NAS. Here is my entry:
192.168.1.10:/mnt/array1/My_NAS /media/My�40NAS nfs _netdev,
auto,rw,hard,users,intr 0 0
When my laptop boots it successfully mounts the NFS NAS and I get an icon "My NAS" on my dekstop that points to the NAS. If I double click on the icon it opens my file browser and I can browse thru my NAS fodlers.
What I see on the left hand side of the file browser is that I have to entries for My NAS. One of it has a button to shows that it is mounted and the other does not.
If I go to Places I also see 2 entries for "My NAS". One of it takes me to browsing the NAS and if I click on the other it says "Unable to mount ... busy or already mounted". Which makes sense.
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Feb 19, 2010
I need to flash my BIOS to get rid of an error: "Intel uCode loading error". On [URL] I have found a tutorial, that looks to be fine. I can even see in the comments, that somebody have done this with success from Ubuntu 9.04, the very same system, that I use. Nevertheless I cannot make this bootCD with my Ubuntu 9.04, as it doesn't know the loop option to mount the image.
In the tutorial it says: "Requirements for this step is that you have support for the vfat and loop file systems in the kernel. Or you can have those features compiled as modules. In the latter case you can load the modules before the next step, like this:
modprobe vfat
modprobe loop"
loop doesn't seem to be present in my system, and the command modprobe loop returns an error that the module is not available. I tried to follow the tutorial anyway, but with no success. How can I get the module lopp? I also want to use it to make iso images bootsble from the harddisk.
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Mar 27, 2009
OS= Fedora 10
I have a secondary 250GB disk of which I created a 50G partition on to try and set-up an LFS system. I finished with the LFS system and now I want to destroy the partition and reclaim all of the 250GB. So i simply ran fdisk /dev/sdb and deleted the 2 Linux partitions ( one 83 and one swap). I then created a new partition as primary partition #1. fdisk appears to see the entire disk....I'm able to start at cylinder 1 and end at 30401 which is 250GB, however when i mount the partition it's shows as only 50G.....What the hell is going on here???
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Nov 17, 2010
I setup my client to mount some nfs mounts at boot but although they seem to be mounted, they are not! Before I give the details, I'll start by saying this is not a wifi problem. I'm using a good old wired connection. The server runs NFS3 with the following line in '/etc/exports':
[Code]...
I have tried the following nfs options in the fstab as you might have noted above: _netdev,auto,bg,retry=10. None of them seem to fix the problem. I realise a quick hack at boot time would fix this in an instant but I'd like to figure out why this is failing.
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Dec 22, 2010
i am using red hat linux 5.0 when i start my computer it shows me the message ofINIT:No inittab file foundEnter run level:i dont what to enter here if anybody know then
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Dec 11, 2010
i format and reinstall centos after that i create one sambha share and valid users restart smb service but i am unable to access it from windows pc shows network path not found any other service need to start
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Jan 19, 2010
Java is installed in linux machine and when I enter the command java -version it shows java is not found.At the same time when i run from the folder where its installed with ./java -version it works.
first of all why its not working from any other place? also why do I need to give ./ from the folder?
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Jun 9, 2010
I have installed cpulimit tar archive software on my suse linux DesktopI can limit any process upto a max cpu percentage uses with its pid with below command.# cpulimit -p <pid> -l <percentage>It is working i have tested.But when i run this command for a executable script with following command# cpulinit -e /<path with script file> -l <percentage>it shows message "Warning: no target process found. Waiting for it." though thatscript is running at that time.what could be the issuse.How can i rectify that problem
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Feb 18, 2010
I am not well versed in using Ubuntu. I was using Win XP Pro SP3 on my old machine. I decided to make the move to Ubuntu. No problem since all files on the primary drive of the old machine were just OS related. I kept all of the important stuff (music, documents, reg codes, etc.) The computer had no problem importing the songs on the external drive to the music library. I am playing songs and loving it. Now the problem... when I am starting with ubuntu I don't find the drive and I can't mount it.
I get a box stating:
You are not privileged to mount this volume
DBus error org.freedesktop.DBus.Error.NoReply:
Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
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