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fusermount: failed to unmount device or resource busy
Well occasionally send you account related emails. $ sudo umount -l ~/gdrive OK sudo Memo NFS mounts.) Ignoring the possibility of destroying data - is it possible to unmount a device that is currently being read? So I guess it depends on what you want to do. is there a chinese version of ex. fuser can also be used, but to my mind lsof has a more useful output. It seems the cause for my issue was the nfs-kernel-server was exporting the directory. Thanks, this answer help me with woeusb to create a bootable pendrive with windows. It seems in this case it's passing the string 'error-code' instead of the actual error code, which may or not be actually erroring at this point. Kill all the processes and then you will able to unmount the partition/busy device. Once I move somewhere else (e.g. [ 4044.873100] sd-umount[8299]: Failed to unmount /oldroot: Device or resource busy [ 4044.839977] sd-umount[8300]: Failed to unmount /oldroot/sys: Device or resource busy [ 4044.290367] shutdown[1]: Failed to finalize file systems, ignoring. [1] It is less convoluted to use mount --move, but that requires mount --make-private /parent-mount-point which has implications. PTIJ Should we be afraid of Artificial Intelligence? Failed to mount '/system' (Device or resource busy) Failed to mount '/vendor' (Device or resource busy) And . How to manage device or resource busy in a script? (Please give as answer a simple "unlock this" method, and not complete articles like this one. I often see "device busy" with sshfs when I have a terminal window open to a directory on the sshfs share. To add to BruceCran's comment above, the cause for my manifestation of this problem just now was a stale loopback mount. How can I recognize one? Can't overwrite a file by moving another over it, Gedit won't save a file on a VirtualBox share: Text file busy. everything checks out. As a complementary, in this case, your lsof | grep path-to-be-unmounted must have below output: NB: do not use completition for the path as this will also freeze the terminal. Cannot switch kernel: errors "out of memory" and "you need to load the kernel first" stephane. "/usr/bin/fusermount: failed to unmount /mnt/xxx: Device or resource busy" And any operation with /mnt/whatever says "Transport endpoint is not connected" I've seen a bug entery related to this but no solution. @O.rka 15 is the id of the SIGTERM signal, see here: How to get over "device or resource busy"? Type the command to unmount /mnt forcefully: # fuser -km /mnt. lsof /path, lsof +f -- /path, and fuser /path all return nothing. renaming the parent directory always worked for me. Super User is a question and answer site for computer enthusiasts and power users. Doing manually worked, though. Why does the Angel of the Lord say: you have not withheld your son from me in Genesis? "Device or resource busy" . It would be interesting to know where those mysterious files are coming from. You may need to repeat this a few times. It only takes a minute to sign up. That isn't right since fast-list is listed under that. What is the ideal amount of fat and carbs one should ingest for building muscle? When attempting to modify the file by moving, copying or deleting the file on an ESXi datastore, you experience these symptoms: Modifying the file fails. Try the following, but before running it note that the -k flag will kill any running processes keeping the device busy. Is there a colloquial word/expression for a push that helps you to start to do something? Bacon saved. @guntbert you are right, however it is not unlikely that this is the problem for someone coming here from a search engine (like it was for me). https://rclone.org/commands/rclone_mount/#systemd. After the netatalk restart, umount succeeded without the -f. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. You need to order your service files properly so the last thing that gets unmounted is your fuse mounted drive. By clicking Sign up for GitHub, you agree to our terms of service and Error: Unable to find a match: htop You seem to know what arguments work with what commands, I don't. When running umount /path I get: umount: /path: device is busy. It appears that I'm stuck with not being able to umount while its busy. @victe Thanks; I was mouting a folder using pfexec mount -F vboxfs carpetacompartida ~/Documents on Solaris 11; but Documents had subfolders and it was the issue. The major unmount achievement to be unlocked is the read-only remount. I kept restarting the service. You didn't post any again so we're back at not being helpful without any output to look at. Hide the original mount point and block the namespace: The original namespace hidden (no more files could be opened, the problem can't get worse), A duplicate bind mounted directory (as opposed to a device) on which By accident I found out how to get rid of a ramdisk. How is "He who Remains" different from "Kang the Conqueror"? Asking for help, clarification, or responding to other answers. Thanks for the tip! I think your suggestion is incorrect. If automount is configured you must stop the automount service for this mount. So I restarted the netatalk daemon on the server. It would generate an error if not mounted. It could even be due to a directory on the filesystem being a mount point. How do I profile C++ code running on Linux? I also had a mount in the mount. After a process of renaming all possible directories to .old and rebooting the system every time after I made changes I found one particular directory (relating to postfix) that was responsible. You're in a directory that is NFS mounted to your system. Have a question about this project? yum EPEL The logs show: Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument. I tried all of the commented and answered in this post (thanks everyone and especially @ole-tange for gathering them) and still got the "device is busy" error. Could you check your logs just to confirm? Although they're useful, I'm currently interested in just ASimpleMethodThatWorks). I'll get back to you with more log output. Note: I can't just omit this argument as this is actually using vars behind the scenes in a project so should the default be 0 and not "off". A second umount2() call specifying MNT_EXPIRE unmounts You can see the fusermount exited with 0. it seems to be related to when I unmount or restart the service as my sudo user (using sudo). It only takes a minute to sign up. W/Vold: 1. Before unmounted the filesysem. Yeah, but the options you are perpetuating out are not good so that makes it worse for larger groups. Running Ubuntu, man fusermount tells about a -z option, which is documented as "lazy unmount". When I stopped the nfs-kernel-server I could umount the directory. It should get the job done. Doing manually worked, though. You may be feeling lucky, punk! I only have access to CentOS servers at the moment. at least right now, the ps grep is clean. However fuser is useful when it comes to killing the processes causing your dramas so you can get on with your life. expired. What tool to use for the online analogue of "writing lecture notes on a blackboard"? It's kind of broken, though. Making statements based on opinion; back them up with references or personal experience. make the mount point unavailable for new accesses, and actually Thank you for answering your own question instead of abandoning it upon implementing your solution. Killing those other shell sessions fixed the issue for me. That's why it show device is busy or filesystem is in use. 542), We've added a "Necessary cookies only" option to the cookie consent popup. 5. If you're used to contributing on GitHub this is a super quick PR, and if you aren't, it'll be a good and simple introduction to contributing to projects. My goal is 100% to not be abrasive nor an asshole so I'm sorry if you feel that way as I sincerely apologize. I'm gonna step back from this for a bit. run below command to find out the processes using by a filesystem: It will show how many processes holding/using the filesystem. 'If you use -uz, it'll unmount and kill the process once the filesystem is not in use: ): exit status 1: fusermount: failed to unmount /mnt/restic: Device or resource busy. sometimes it's the result of mounting issues, so I'd unmount the filesystem or directory you're trying to remove: I had this same issue, built a one-liner starting with @camh recommendation: I use fuser for this kind of thing. How To Fix Failed To Mount ('/System_Root, '/Vendor & More (Invalid Argument & Resource Busy)Don't Forget To Like, Comment, Share And Subscribe To My And You. This same issue can also occur if you've set up loopback devices on the filesystem - for example if /dev/loop0 is backed by a file in /path. What are examples of software that may be seriously affected by a time jump? There are several things to consider. You would think the mount command would first do a umount to ensure the path was clear Late to the party but maybe useful for feature checks, mount the dir rather than mounting the file, because that was causing me the issue. perform the unmount when the mount point ceases to be busy. The mount point remains expired as long as it isn't accessed How do I figure out why the kernel thinks this filesystem is busy? Hello. This appears to have started happening in v1.48 or possibly one before that. http://oletange.blogspot.com/2012/04/umount-device-is-busy-why.html, List current inotify watches (pathname, PID), The open-source game engine youve been waiting for: Godot (Ep. Why do we kill some animals but not others? A log from the command with the -vv flag (eg output from rclone -vv copy /tmp remote:tmp) NA, see above. In my case I was trying to modify the LVM as I wanted to make the /var partition bigger, so I needed to umount it. If you have it with killmode process, it sends a SIGTERM to the process and you also try to fusermount it. --fast-list does nothing on a mount can can be removed.'. I tried the -z option, and can confirm it do the trick, but this precisely too much looks like a trick: what does it do exactly? Your answer helped me sort out a similarly exported NFS share. So here is another option, more verbose, but safer: tries to unmount until it successes, as many time as needed, in a loop. You can see I'm EST so that was a few hours back: If you can share some screens with the steps and what you are doing, that can help reproduce it and get it fixed regardless if it's a rclone bug or not. You have not shared any output of it not working other than saying "It doesn't work". It worked! @foobarbecue, normally those are only advisory locks and the man page at least seems to indicate they are only for read/write, not unlink. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. lsof 36304 root cwd DIR 8,21 4096 1048577 /media Failed to unmount /oldroot: Device or resource busy. The command should be: fusermount -u /mnt/s3. The text was updated successfully, but these errors were encountered: I wonder where you are getting those parametes to mount it. I'm curious, would you mind opening a pull request for that change? if I take out -z, I get device busy error. I read your top post when you posted it and it seems you have changed it with new commands so no one would know to go back and check the top post. local/mnt: 1725e(root) 5645c(shasankarora), ps -ef | grep 1725 <--> ps -ef | grep
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