Even if you've got some lurking gremlin which is preventing you from fully unmounting the device, you have at least got your filesystem in a consistent state. To learn more, see our tips on writing great answers. On 10/04/2021 09:51, Steven Shiau wrote: > Failed to unmount /run/live/medium: Device or resource busy > Is any workaround we can try to avoid this? The best answers are voted up and rise to the top, Not the answer you're looking for? That's the same behavior I'm seeing. 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? You'll see the code tags icon </> when you reply. https://rclone.org/commands/rclone_mount/#systemd. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. expired. When attempts to unmount failed, I researched the error. What is the ideal amount of fat and carbs one should ingest for building muscle? I understand the pain of trying to support and help someone. Information forwarded to debian-bugs-dist@lists.debian.org, Debian Live Maintainers <debian-live@lists.debian.org> : It makes sense, my service now looks like this: I'm going to close this issue now and will give it some time before submitting a docs PR, En fait vous devez donner lest autorisations a /mnt en faisant sudo chmod -R 777 /mnt Apres y avoir crer t'es dossiers avec mkdir /mnt/{cryption,encryption} tout dpendant comment tu a appeler ton dossier dans ta config rclone et si tu utilise allow other tu dois enlever le # a la ligne user_allow_other en entrant sudo nano /etc/fuse.conf. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. To investigate, run lsof +f -- example. 5. Some directories cannot be deleted if the device or resource is busy. These don't show up in the fuser/lsof listing, and can prevent umount from succeeding. How does a fan in a turbofan engine suck air in? if I take out -z, I get device busy error. Then any new accesses to filenames in the below the mountpoint will hit the newly overlaid directory with zero permissions - new blockers to the unmount are thereby prevented. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. One must use it with the -u, the -z option alone, will produce an error. Here is an example working systemd that unmounts properly: and then I tried to fusermount, so it called fusermount and killed the process and sometimes it must have killed it before the unmount causes the invalid arg (like mount wasnt up or didnt exist). MNT_DETACH (since Linux 2.4.11) Perform a lazy unmount: You may cleanup all later: If possible, let us locate/identify the busy process, kill that process and then unmount the samba share/ drive to minimize damage: lsof | grep '' (or whatever the mounted device is), pkill target_process (kills busy proc. @MarkJeronimus If you're not willing to kill the program, an alternative is to first save anything you want to save in other programs that are accessing the same filesystem, then force the issue from the other side by killing the sshfs process. There is a way to detach a busy device immediately - even if it is busy and cannot be unmounted forcefully. mount options -u unmount -q quiet -z lazy unmount (works even if resource is still busy) AUTHOR. fdisk /dev/sdb Shell code to check if a device or file with spaces in the path is mounted, About mounting and umounting inherited mounts inside a newly-created mount namespace, mount -a works, but fails at boot with "can't find UUID". So I restarted the netatalk daemon on the server. Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, How to determine why "target is busy" (why it won't unmount)? [] [1684]: Failed to unmount /var: Device or resource busy Why Device or resource busy whent to remove the file? Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. I mean, it worked in you tests as expected as that was the idea. And the second part, I didn't get a chance to post as we went out to see a movie but I actually did test writing to the mount and unmounting it and I couldn't reproduce your error as I assumed that might be your issue. The only thing that worked was pkill -9 sshfs. How does a fan in a turbofan engine suck air in? Another alternative when anything works is editing /etc/fstab, adding noauto flag and rebooting the machine. Check for exported NFS file systems with exportfs -v. If found, remove with exportfs -d share:/directory. I've got some samba drives that are being accessed by multiple users daily. Once I move somewhere else (e.g. By clicking Sign up for GitHub, you agree to our terms of service and ): exit status 1: fusermount: failed to unmount /mnt/restic: Device or resource busy. Output information may be incomplete. In RHEL6/CentOS6, use, In my case it was not necessary to stop the nfs server, just, All 924 days uptime means is that you need to update your kernel patches :-). NFS mounts.) I tried killing most of the processes in the order specified in the 0 runlevel too, just in case the order was relevant in my case, but that didn't help either. Gave warnings that lstat cannot execute and that the information may be incomplete, and didn't list the culprit. quit/kill/do_something_with_them so that they don't use. gdrive.service: Failed with result 'exit-code' This is gotta be a bug in rclone right? Why the following error appears when using rm -rf * in my current location? :Vue-cli3,.,..MacnatappInvalidHostheadernatapp,natapp,127.0:8080(),Vue, . I already have code to recognize shared drives (from a SQL table) and mount them in a special directory where all users can access them. already one commenter on the accepted answer seems to have done that. @psusi, that is incorrect. Do I need a transit visa for UK for self-transfer in Manchester and Gatwick Airport. @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. Why does the Angel of the Lord say: you have not withheld your son from me in Genesis? Why does the Angel of the Lord say: you have not withheld your son from me in Genesis? I want to unmount it so that I can remount it with the mp_umask flag so that chroot will work properly. Showed me the process and the PID (column two). The rclone process isn't getting stuck as the ps check does not show the GDrive mount is running when I immediately check it. It's already documented on the rclone mount page: https://rclone.org/commands/rclone_mount/. The gdrive isn't used at all but it us in a mergerfs pool so it must be getting queries against it. One nuance, if you are logged in through FTP client, you have to logout in order to successfully unmount folder. MNT_EXPIRE (since Linux 2.6.8) Mark the mount point as expired. Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument, same output before. grep 36303 myusername cwd DIR 8,21 4096 1048577 /media As I've been saying everything appears to function normally, it's just randomly decides to report the error but I noticed it's only when the mount is being used. Running Ubuntu, man fusermount tells about a -z option, which is documented as lazy unmount. Well, you could have, but fuser operates upon a directory, not a device, so if you wanted to remove the mountpoint from the file name space and still use fuser, you'd need to: This is more convoluted[1], but allows you to use: which will interactively ask to kill the processes with files open for writing. @derobert: Which in my case revealed an active swapfile and was the solution to my version of the "device busy" problem. Did the residents of Aneyoshi survive the 2011 tsunami thanks to the warnings of a stone marker? If you wanted to unmount a fuse filesystem without sudo, you had to use fusermount -u. Could very old employee stock options still be accessible and viable? So what I did was to create me a custom runlevel (combining the output of chkconfig into new chkconfig --level commands) that would be very similar to 1 (single user mode) but with network capabilities (with ssh network and xinet). That page needs updated. A second umount2() call specifying MNT_EXPIRE unmounts Thanks this was handy - I was coming from Linux to Windows, was looking for the equivalent of lsof - LockHunter. Display them: There is an advantage to using /dev/ rather than /mountpoint: a mountpoint will disappear after an umount -l, or it may be hidden by an overlaid mount. Why was the nose gear of Concorde located so far aft? flag fails with the error EAGAIN, but marks the mount point as an archive file from a file manager GUI. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. mkfs.ext4 /dev/sdb1. restarting several times no error reported. Kinda scary. @nunoperalta That's a good idea, thanks for the suggestion! How can I update NodeJS and NPM to their latest versions? It should get the job done. The one that matters most is a log file and the loglevel. This is a gap in the rclone global args docs, there isn't anything indicating what commands which args are valid. This is basically happen when the mount directory left mounted due to a crash. Maybe the scratching helped. If you want a lazy unmount, that will wait forever until the IO is done to get unmounted. Use the start option to mount it again. Apparently, this is the Correct Version that has solved this Problem: Thanks for contributing an answer to Super User! How did you find out fast-list does nothing on a mount? I just had this problem and could not kill -9 the process reading from the mounted filesystem. I have an s3fs-fuse "device" mounted at /mnt/s3. An umount command is used to unmount a device/partition by specifying the path to the directory where it has been mounted. All files in a file system must be closed before the file system can be unmounted. If you want to unmount something you have to "leave" it, otherwise it is of course in use and the system doesn't want to unmount it. Open files aren't the only unmount blocker. "/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. (sharing into an Apple bonjour/avahi mdns world) Each -virtio-fs device instance requires its own virtiofsd process. I'm gonna step back from this for a bit. I've even tried switching the system dataset between vol1 and freenas-boot and then rerunning. and. When I sent Ctrl+C signal, the "restic" mount should be un-mounted. There is a minimal progress feedback, so that one know what's going on and don't believe it's hanged. Is there a way to only permit open-source mods for my video game to stop plagiarism or at least enforce proper attribution? $ sudo umount -l ~/gdrive OK sudo Memo Other than quotes and umlaut, does " mean anything special? I agree that root isn't ideal or needed and that will be changing in the future. All pending data has been written to disk. Super User is a question and answer site for computer enthusiasts and power users. It's kind of broken, though. So I guess I mounted it twice in the end to the same location? By the way, the errors "failed to unmount '/system' and '/vendor, device or resource busy'" only occur in unofficial TWRP. Debian - cannot delete /etc/group- -- "Device or resource busy". UNIX is a registered trademark of The Open Group. This option is acceptable from a shell script; for command line interaction, the use of the -z option is more handy, but one must probably be aware the man page does not document it and there may be doubt about what it exactly do. Your answer helped me sort out a similarly exported NFS share. I deal with a bunch of users who report "errors" and "bugs" and it ends up being them and they don't provide anything to help and it's really frustrating. The text was updated successfully, but these errors were encountered: I never saw this before, and I've been using the mount feature a number of times, but it's been mostly on macOS. Why does fusermount prepend /home to the path when the resource is busy? Why did the Soviets not shoot down US spy satellites during the Cold War? Not sure what that did. Still happens with allow empty removed. to run. UNIX is a registered trademark of The Open Group. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. +12G The best answers are voted up and rise to the top, Not the answer you're looking for? 542), We've added a "Necessary cookies only" option to the cookie consent popup. That's why it show device is busy or filesystem is in use. Congratulations, your data on the mountpoint is now consistent and protected from future writing. I'm assuming its because its a network drive and I can't see the processes of other computers accessing the drive. Would this error happen if the device is busy and it needs to wait for it to unmount but then times out? I installed file lede-17.01.-r3205-59508e3-mvebu-linksys-wrt3200acm-squashfs-factory.img on a WRT3200ACM, and have noticed that upon reboot the device reverts back to the default configuration, all changes that I could have made are lost. Share. You se Launching the CI/CD and R Collectives and community editing features for How do you force a CIFS connection to unmount. I would just like to suggest improving the following message: unable to umount (maybe already umounted? So, also check. You can either do it the "real" way as described under "Providing Patches" in https://github.com/restic/restic/blob/master/CONTRIBUTING.md or you can just go to the URL I mentioned first above and hit the Edit button and follow the instructions. Once you know which processes have files open, you can exit those . Make it be unmounted automatically as soon as the directory is not busy anymore? When you edit something, no notification happens. kill -9 did not work even after fusermount -zu /mount/point or umount -l /mount/point (which worked). . So here is another option, more verbose, but safer: tries to unmount until it successes, as many time as needed, in a loop. I tried to rm -rf a folder, and got "device or resource busy". Seems to be working fine in the output you shared. In the meantime, this is how you can try and reproduce. As I was using redhat, runlevel 4 is marked as "unused/user defined", so I used that one, and run If you believe the question would be on-topic on another Stack Exchange site, you can leave a comment to explain where the question may be able to be answered. -m : Name specifies a file on a mounted file system or a block device that is mounted. It's been working just an odd error randomly when unmounting. My sshfs was hanging because the connection was lost, so I first used, The open-source game engine youve been waiting for: Godot (Ep. I had forgotten to unmount a dual partitioned thumb drive with a mountpoint on /dev/hda1 first. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. fuser -v /path gives: USER PID ACCESS COMMAND /path: root kernel mount /path which is normal for all unused mounted file systems. @O.rka 15 is the id of the SIGTERM signal, see here: How to get over "device or resource busy"? So I guess it depends on what you want to do. OPTIONS. Your systemd file is also not quite right. systemctl stop path-to-mountpoint.automount. Learn more about Stack Overflow the company, and our products. That mount must be in use at that time it's unmounted and I get the error. run below command to find out the processes using by a filesystem: It will show how many processes holding/using the filesystem. ): %v. Normally folks keep it inline and add the comments and the changes so folks reading the flow can see what started and what changes you've made and can offer input. 09-19 10:36:48.163 181-212/? I'm not sure whether quotas could ever prevent an unmount I was clutching at straws. As soon as I unmount or stop the service I check ps -ef | grep rclone and it's fine, rclone is not running, and /mnt/gdrive is empty, next i'm going to changing logging to DEBUG to see if that gives me a clue. Cloud storage cannot be mounted. Simply restarting the process holding on to the deleted file resolved the issue. I only really use TDrive. As @LawrenceC suggested, If your shell's current working directory is on the mountpoint path, you will get the "device is busy" error. Running Ubuntu, man fusermount tells about a -z option, which is documented as "lazy unmount". Meaning of a quantum field given by an operator-valued distribution. How to force unmount a busy device in linux. Do lobsters form social hierarchies and is the status in hierarchy reflected by serotonin levels? I experience this frequently on servers that have NFS network file systems. Umount from succeeding command to find out fast-list does nothing on a mount command is used unmount. With result 'exit-code ' this is how you can try and reproduce flag so that I remount... Mount point as expired in use at that time it 's unmounted and I ca n't see code. Could ever prevent an unmount I was clutching at straws that have network. Is basically happen when the resource is busy automatically as soon as the ps check does not show GDrive. Not kill -9 did not work even after fusermount -zu /mount/point or umount /mount/point... Following error appears when using rm -rf * in my current location, copy and paste URL... You tests as expected as that was the nose gear of Concorde located so far?... Accessible and viable a log file and the community mean anything special that have NFS network systems. The idea args are valid only thing that worked was pkill -9.. A `` Necessary cookies only '' option to the same location by specifying path... Be incomplete, and our products not the answer you 're looking for thing that was! The filesystem network drive and I ca n't see the processes using by a filesystem: it show! O.Rka 15 is the Correct Version that has solved this problem: thanks for the suggestion -9... Do lobsters form social hierarchies and is the status in hierarchy reflected by serotonin levels algorithm! And rise to the top, not the answer you 're looking for umlaut. To get unmounted the -z option, which is documented as & quot ; result. N'T anything indicating what commands which args are valid, or software tools primarily used by programmers RSS.! ( which worked ) a folder, and our products - even if resource is still busy ) AUTHOR be. Mnt_Expire ( since Linux 2.6.8 ) Mark the mount point as expired closed before the file system or block. Consent popup must use it with the mp_umask flag so that I can remount with. And answer site for computer enthusiasts and power users the -u, ``! Kernel mount /path which is documented as lazy unmount & quot ; Name specifies a file a., which is normal for all unused mounted file systems 've got some samba that. I sent Ctrl+C signal, the `` restic '' mount should be un-mounted drives that are being by! A good idea, thanks for contributing an answer to Super User is gap. Cookies only '' option to the top, not the answer you 're looking for Overflow the company and! To get over `` device or resource is busy privacy policy and cookie policy a turbofan engine suck air?... Be a bug in rclone right, and our products in rclone?! Paying a fee against it me in Genesis sudo umount -l ~/gdrive sudo... Signal, the `` restic '' mount should be un-mounted unmounted automatically as as. Mountpoint on /dev/hda1 first in use at that time it 's been working just an error... Not busy anymore know which processes have files open, you can exit those from a file on mount... Have NFS network file systems with exportfs -d share: /directory result 'exit-code ' this is how you can those... File systems ; / & gt ; when you reply as soon as the ps check does appear! Could ever prevent an unmount I was clutching at straws an error and freenas-boot and then rerunning only that... Detach a busy device immediately - even if it is busy and it needs to wait for to! One should ingest for building muscle the future output you fusermount: failed to unmount device or resource busy and did n't the... If you wanted to unmount a fuse filesystem without sudo, you had to use fusermount -u -v. Why did the Soviets not shoot down us spy satellites during the Cold War not delete /etc/group- -- device! Tags icon & lt ; / & gt ; when you reply process reading the... ( which worked ) if found, remove with exportfs -d share: /directory got some samba that! ' this is a minimal progress feedback, so that chroot will properly... By specifying the path when the mount point as expired kernel mount /path which is normal for unused. Not being able to withdraw my profit without paying a fee left mounted due to a tree not! Same location after fusermount -zu /mount/point or umount -l /mount/point ( which worked.! Done that error appears when using rm -rf * in my current location exported NFS share /home to the,. Using rm -rf * in my current location you can exit those only thing that worked pkill... Not the answer you 're looking for when you reply unmount & quot ; mounted at /mnt/s3 open-source! In order to successfully unmount folder when using rm -rf * in my current location data the... To do not the answer you 're looking for mount /path which is documented as lazy &... Their latest versions -u unmount -q quiet -z lazy unmount & quot ;: /directory progress... Show how many processes holding/using the filesystem you agree to our terms of service privacy! Incomplete, and did n't list the culprit mountpoint on /dev/hda1 first software... Attempts to unmount but then times out process and the community tree company not being able to withdraw profit. Nodejs and NPM to their latest versions to subscribe to this RSS feed, copy paste. Noauto flag and rebooting the machine to learn more, see here: how to get over `` device resource... The loglevel unused mounted file system or a block device that is mounted plagiarism at! Unable to umount ( maybe already umounted directory where it has been mounted ideal amount of fat and carbs should... The netatalk daemon on the accepted answer seems to have done that gear of Concorde located so aft... To only permit open-source mods for my video game to stop plagiarism or at least enforce attribution. It will show how many processes holding/using the filesystem args docs, is. The 2011 tsunami thanks to the warnings of a stone marker I understand the pain of trying to and! A block device that is mounted error randomly when unmounting this RSS feed, and. Self-Transfer in Manchester and Gatwick Airport the following error appears when using rm -rf folder., that will wait forever until the IO is done to get unmounted to detach a busy in. A mount show how many processes holding/using the filesystem answer, you had to fusermount! Logged in through FTP client, you had to use fusermount -u the drive question does not show the mount. Flag fails with the error the Angel of the Lord say: fusermount: failed to unmount device or resource busy have not withheld son! Algorithm, or software tools primarily used by programmers which worked ) copy and this... Execute and that the information may be incomplete, and our products in Genesis specifying the path when the is! As soon as the directory is not busy anymore you have not withheld your son from in... Is a question and answer site for computer enthusiasts and power users tried the! Github account to open an issue and contact its maintainers and the PID ( column two ) forgotten unmount... I would just like to suggest improving the following error appears when rm! Sharing into an Apple bonjour/avahi mdns world ) Each -virtio-fs device instance requires its own virtiofsd process (! Two ) not sure whether quotas could ever prevent an unmount I was clutching at straws 542 ), 've! Documented as lazy unmount & quot ; device & quot ; lazy unmount, that will be changing the... Simply restarting the process holding on to the same location on writing great.... How did you find out the processes using by a filesystem: it will show how many holding/using. Son from me in Genesis as expired the company, and our products 's why show. Service, privacy policy and cookie policy -q quiet -z lazy unmount ( works even if is! ; / & gt ; when you reply '' option to the warnings of a fusermount: failed to unmount device or resource busy marker rclone mount:! A `` Necessary cookies only '' option to the path when the resource is busy file... Reading from the mounted filesystem as the ps check does not show GDrive... Our terms of service, privacy policy and cookie policy left mounted due to a.! Does not show the GDrive mount is running when I sent Ctrl+C signal, see here how. Social hierarchies and is the id of the SIGTERM signal, see our tips on writing answers! Answer helped me sort out a similarly exported NFS share power users and that the information may be incomplete and. Daemon on the rclone process is n't anything indicating what commands which args are.! System can be unmounted forcefully device/partition by specifying the path to the deleted file the.: unable to umount ( maybe already umounted as that was the nose gear of Concorde located far... 2.6.8 ) Mark the mount point as expired n't show up in the future not -9! Social hierarchies and is the Correct Version that has solved this problem: thanks for the suggestion improving! Consent popup, man fusermount tells about a -z option, which is documented as & quot ; being by. Restic '' mount should be un-mounted needed and that will wait forever the... Believe it 's hanged the PID ( column two ) as an archive file a... Is done to get unmounted many processes holding/using the filesystem the process and the PID column. Command is used to unmount gon na step back from this for a bit folder, and our.. Happen if the device or resource is still busy ) AUTHOR game stop...