CentOS 5 Hardware :: Cannot Unmount USB Or CD/DVD
Jan 7, 2011
I am using CentOS 5.5 with kernel 2.6.18-194.26.1, 64 bit. I am unable to unmount my usb using mouse. I get the error message:
An application is preventing the volume 'XYZ' from being unmounted. No app seems to be accessing the usb. If is copy or modify some content in the usb then sometimes i can unmount it. Once when i inserted a dvd when the usb was already inserted, the usb was allowed to unmount but the dvd wasn't ! Gave me the same error message for the dvd. As root i can do a lazy unmount, but that sometimes corrupts my data.
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Sep 18, 2009
I have a SMB share, mounted on a Centos 5 server from a local Win 2003 server, that I cannot unmount (I have to reboot to successfully unmount it)
centos 5 version is 2.6.18-128.7.1.el5
samba version is: 3.0.33-3.7.el5_3.1
That share is mounted by a script called every night to perform an rsync backup to another remote Centos 5 server:
/bin/mount -t cifs -o ro,credentials=/etc/samba smbmount.credentials,uid='ad_domainuser',gid='ad_domaingroup' //win2003server/share /mnt/arch/ >> $LOGFILE 2>&1
And it is (should be...) unmounted at the end of the script: /bin/umount /mnt/arch/
When the script tries to unmount the share, this error is returned: unmount error 16 = Device or resource busy Refer to the umount.cifs(8) manual page (man 8 umount.cifs)
When I try to manually unmount the share from console (even after serveral hours), no error is given but the share does not unmount.
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Dec 20, 2009
I have an NFS4 and Kerberos server on the same machine running a CentOS Plus 5.4 kernel (due the Redhat NFS kernel bug). On shutdown the command to mountd produces a [FAILED] response and the NFS share refuses to unmount, complaining that it is busy. This occurs even if no client machines have been started. i.e. with all machines stopped, start the server only (no clients) then shutdown the server - produces the same result.
Immediately after the server has been started, query the nfs daemon:
# service nfs status
produces normal output, except for:
# rpc.mountd is stopped
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Sep 27, 2010
I am running version 5.5. I am using Grsync to back up 2 folders to an USB external 1.5 terabyte drive. Sometimes grsync backs the folders up correctly but most of the time, I need to unmount and then mount the drive to get it to work.
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Sep 5, 2010
I have gone senile but what happened to the Unmount option when I right click on a Desktop CD icon in 10.04? I only wanted to make an ISO image and K3B says it cannot unmount the CD. I don't want to Eject it. I have a clever idea! I will add Mount Manager to the panel. Mount Manager should be called Eject Manager because that is all it does!! Even Krusader seems to have lost its ability to unmount a device.
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Feb 13, 2010
I am in the middle of copying a dvd with k9copy and it is asking me to insert a recordable dvd.so i try to eject and it won't let me, it says failed to eject media one or more volumes are in use. There is nothing else using the disc so I don't get it?
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Feb 20, 2010
I mounted an ISO file with the default ISO mounter and when i tried browsing a certain directory, it froze so now I'm trying to unmount and i'm getting this error.
Code: 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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Feb 26, 2011
Code:
HP 210 Mini
Fedora 14 xfce
2.6.35.11-83.fc14.x86_64
I have inserted my handy drive. However, when I right click and select unmount I get the following message:
Code:
An application is preventing the volume "New Volume" from being unmounted
So I try from the command line:
Code:
umount /dev/sdb1
And I get the following message:
Code:
umount: /media/New Volume: device is busy. All I have done is copied some files to my handy drive. So I am not sure what process is keeping my handy drive busy.
Is there any command that I can use to see what process of anything else is using the handy drive?
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Nov 17, 2010
Now i see that i can't unmount (Safely remove device) any USB Memory Stick. If i try to unmount it in KDE, i always get error about one or more files are in use.
But if i execute "umount" in terminal, then it unmount without any problem.
OpenSUSE 11.3 64bits
KDE 4.4.4 Release 3
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Feb 15, 2010
I want to unmount my creative zen music player via the terminal so I don't have to right-click the symbol and click unmount.
It is not mounted under /media like my ipod so I don't know how.
When I select it in nautilus the path is listed as gphoto2://[usb:002,004]/
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Jun 26, 2010
DBus error org.freedesktop.DBus.Error.UnknownMethod: Method "Unmount" with signature "sou" on interface "org.gtk.vfs.Mount" doesn't exist
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Aug 19, 2010
I installed KDE 4.4 through Ubuntu's repos and then upgraded to 4.5 via backport PPA. I am unable to unmount any USB device. It keeps saying it's in use by another application. Even if I plug it in and do nothing, but then try to unmount, it gives me this error?
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Sep 8, 2010
basic script on unmounting devices, as that option was removed in Ubuntu Lucid?I'm aware I can possibly recompile the nautilus source and all that, but I think a much easier method would be to just add a script for such. Something basic, like this, but that includes ALL devices that can be unmounted (such as flash drives, external hard drive, and sd/xd cards), not just disc drives. Pretty much what the right click 'Unmount' option in nautilus used to be like:
Code:
#!/bin/bash
sudo umount /dev/sr0
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Jan 4, 2011
After reboot I saw this communication:Quote:Target filesystem doesn't have requested /sbin/init.No init found. Try passing init= bootarg.and I can't shutdown the system normally because it stops (live cd too).Then I can't repair this partition because it is always busy.
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Jul 7, 2011
I'm running both Ubuntu 11.04 and Windows XP Home Edition. I have my hard drive partitioned with 90 GB for Windows and 60 GB for Ubuntu. Here's the problem: When I booted up Ubuntu for the first time, the Windows file system appeared as a second HDD. My dad told me that I need to make it so that drive doesn't appear or be read only or else he will be uninstalling Ubuntu because of the risk that some program will write to the Windows file system. I personally am not worried about that happening, but he clearly is. Remember, I'm brand new to Linux so please make things simple for me to under stand!
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Sep 5, 2009
I've recently purchased a 4gb "ultra speed" flash drive. It reads and writes just fine on both my laptop and desktop. Both of which are running Ubuntu 9.04. However, when I go to unmount the drive from my desktop system, the drive icon on the desktop disappears, but it remains in the "media - File Browser".
There is one change in the file browser though. When I unmount the drive, the "eject" symbol disappears from next to the drive in the "media - File Browser" but the drive icon itself remains. The light never extinguishes on the USB drive, and when I click on the icon that remains in the File Browser, the USB drive mounts itself again and reappears on my desktop and the eject symbol reappears in the File Browser.This drive unmounts just fine from my laptop.
Code:
Bus 002 Device 002: ID 046d:0870 Logitech, Inc. QuickCam Express
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 003: ID 058f:6387 Alcor Micro Corp. Transcend JetFlash Flash Drive
[code]....
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Jan 4, 2011
After reboot I saw this communication:
Quote:
Target filesystem doesn't have requested /sbin/init. No init found. Try passing init= bootarg. and I can't shutdown the system normally because it stops (live cd too). Then I can't repair this partition because it is always busy. I have on this partition important files.
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Oct 25, 2009
trying to do a multiboot, just for fun Now I installed Foresight Linux, which was not such a good.Foresight is based on rpath and uses Conary as update system Now Conary destroyed all other linux systems installed on the other partitions. Now I found that there is something such as hide and unmount but have read several pages full of it but still have no idea what is the difference between the two and more important, how to use this as most explanations seem to complicated How can I hide partitions for a booted linux operating system so it is unable to see it, use it or even mount it when it tries
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Jul 17, 2009
Code...
I am getting this error while trying to unmount a partition , what should i do ?
I am using Fedora 10 x86_64.
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Mar 25, 2010
I have an external HDD which I use under Fedora. After finishing with my work, I unmount all the mounted partitions of the external HDD & then proceed to switch it off. The HDD partitions are unmounted but they are still visible(but not mounted) under computer. The HDD still seems to spin. But when I click on "Safely Remove Drive" they disappear from Computer & also the HDD stops spinning albeit the switch on HDD being powered on. So what should I use "Unmount" or "Safely Remove". What is the difference between the two?
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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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Jun 19, 2011
When I insert an SD card in the reader, slackware creates a mount point and mounts my card volumes. On unmounting the volumes, the mount point vanishes. How do I achieve this manually?When I attempt to mount a volume using the mount command, the mount point folder must exist and the folder does not vanish on umount. Is there a way to create a mount point if it does not exist? and ensure that the folders vanish on umounting?
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Jan 8, 2010
We have a server running Hardy. I configured it as an NFS client and mounted a share. The NFS server is remote and accessed through TCP only (no UDP allowed through the firewall). Now I've mounted it, though, I can't unmount it!
Code:
david@scatha $ mount | grep nfs
example.com:/home/david on /mnt/tmp type nfs (rw,tcp,addr=123.123.123.123)
Now when I try to unmount it:
[Code]...
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Mar 1, 2010
I am unable to mount partition in ubuntu 10.04. Icons for different partitions are not coming within "Places". Every time I have to manually mount the partition or CD or DVD and manually unmount it. Seldom it shows the partition icons within Places>Computer. Then the partitions are getting mounted upon double clicking its partition-icon. But I fail to unmount the partition as it throws the error "media/partition_name is not in the fstab (and you are not root)."
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Apr 1, 2010
I have a problem while rebooting my 9.10 server when I have SAN partition mounted. The message is something about the swap that can not be cleaned during the process. All works if I unmount the partitions before shutting down or rebooting.So I though to create a bash script that unmounts the parts during runlevel 0 and 6.I've created a simple script like this in /etc/init.d:
#!/bin/bash
umount /mnt/xxx
and the I've done:
[code]....
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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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May 2, 2010
After upgrading from 9.10 to 10.04 I am unable to unmount usb drives when I'm not root. Every time I have to type "sudo umount /media/... " and give my password. When I right click the drive and click unmount, I get the following message:
Unable to unmount disk1 unmount: /media/disk1 not is not in the fstab (and you are not root)
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Jun 3, 2010
As part of a script for imaging floppy disks on a Mac, I am trying to unmount the volume located at /dev/disk1
In my script I put--
#!/bin/sh
echo "This should unmount the external floppy drive."
sudo umount /dev/disk1
But I get an error--
umount: /dev/disk1
: not currently mounted
I also tried excluding the "sudo" with the same result. Any ideas where the " is coming from or what else might be the problem?
sudo umount /dev/disk1 works when I use it in the command line, but as a long term solution I need it in my script if possible.
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Jun 17, 2010
I have an external hard drive which connects to a usb port. until recently i could unmount it by right clicking on the desktop icon and selecting unmount. now when i try that it tells me that i can't because the device is not in fstab and i am not the root. i checked mtab and it had this line '/dev/sdb1 /media/usb0 msdos rw,noexec,nodev,nosuid 0 0' i changed that to '/dev/sdb1 /media/usb0 msdos user,rw,noexec,nodev,nosuid 0 0' thinking that would fix it, but it didn't. i unmounted using 'sudo umount /media/usb0' and restarted my computer and now the line in mtab reads '/dev/sdb1 /media/usb0 vfat rw,noexec,nodev,sync,noatime,nodiratime 0 0' and i still can't unmount without using the sudo umount command. i also tried adding '/dev/sdb1 /media/usb0 msdos user,rw,noexec,nodev,nosuid 0 0' to fstab and that didn't help
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Aug 4, 2010
I have a 160GB drive installed as /dev/sdb. If I replace it with a 500GB drive, do I have to unmount/mount or will it work as is? This is on Ubuntu Server.
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