Check for exported NFS file systems with exportfs -v. If found, remove with exportfs -d share:/directory. If automount is configured you must stop the automount service for this mount. Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. Meaning of a quantum field given by an operator-valued distribution. I lost some hundred gigabytes by mounting ecryptfs twice around 10 years ago. https://rclone.org/commands/rclone_mount/#systemd. 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. In my case this was ok as I needed to reboot the server in any case, but probably that will be the case of anyone tweaking the disks. lsof 36304 root cwd DIR 8,21 4096 1048577 /media Torsion-free virtually free-by-cyclic groups, "settled in as a Washingtonian" in Andrew's Brain by E. L. Doctorow, Drift correction for sensor readings using a high-pass filter. Connect and share knowledge within a single location that is structured and easy to search. How do I withdraw the rhs from a list of equations? Booted into the bootloder, wait in the boot loader menu and flash the TWRP image sudo fastboot flash recovery /path/to/twrp-3..2--hammerhead.img b/c the output isn't helpful. I'm assuming its because its a network drive and I can't see the processes of other computers accessing the drive. I recently had a similar need to unmount in order to change it's label with gparted. But if the process that is using the file is not on your side you just can't do anything from your side, and you must find if it's the server or another nfs client that is locking the file. If a mount point Out of curiosity, can you try it on another system and preferably another OS, just to see if it changes anything for you? Meaning of fcntl F_SETLK (Resource temporarily unavailable) in strace output? Another filesystem mounted on the filesystem you are trying to umount will cause grief. ): %v. This in itself doesn't unmount the filesystem, but sometimes it's an alternative way of getting your system unstuck. Remounting as read-only and then retrying the unmount helped. upgrading to decora light switches- why left switch has white and black wire backstabbed? :Vue-cli3,.,..MacnatappInvalidHostheadernatapp,natapp,127.0:8080(),Vue, . Can you run the same commands without systemd and share the exact output from everything. I have another mount (tdrive) which is used by plex. sudo umount path. The command should be: fusermount -u /mnt/s3. Exiting the terminal or changing directories to a local share then running fusermount -u solves my problems. "These flags are available for every command." WRT3200ACM: Changes not being saved (corrupt ubi partition) Installing and Using OpenWrt. Type the command to unmount /mnt forcefully: # fuser -km /mnt. That's why it show device is busy or filesystem is in use. I often see "device busy" with sshfs when I have a terminal window open to a directory on the sshfs share. Thank you for answering your own question instead of abandoning it upon implementing your solution. So the summary is: process having a file opened that was removed. How do I profile C++ code running on Linux? Stopping DBFS failed as shown: @psusi, that is incorrect. Learn more about Stack Overflow the company, and our products. How can I update NodeJS and NPM to their latest versions? Why does pressing enter increase the file size by 2 bytes in windows. @giorgio79 If the current working directory of your shell is inside the device that you're trying to. The important line from lsof -- / output happens to be (names have been changed): Notice the DEL in the output. - -This program must be run as the root user. Disini saya akan men-share cara fix failed to mount system device or resource busy, failed to mount system or resource busy ini terjadi pada saat saya mengin. The mount point remains expired as long as it isn't accessed To learn more, see our tips on writing great answers. best answer, thanks. That's why it show device is busy or filesystem is in use. Its easy to setup and works well except for one machine. The -f option is for unreachable NFS system. That doesn't return anything. "Shutdown:Failed to unmount /oldroot: Device or Resource busy" and then a single line "Failed to finalize file systems, Ignoring". If your system is constantly hitting it, it'll go on and on. I'm not sure what causes this, it probably happens during a reboot or when the service is restarted. systemctl status rclone.service and share the output cd command) is enaugh to stop the unmnounting process :), Yep, I had a shell running in a directory on the device. Learn more about Stack Overflow the company, and our products. Are you only seeing the error in systemd? I think your suggestion is incorrect. I'm not sure whether quotas could ever prevent an unmount I was clutching at straws. 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. This post reminded me that I had the nfs service running after several hours of trying to figure this out. at least right now, the ps grep is clean. Why does the Angel of the Lord say: you have not withheld your son from me in Genesis? Thank you for sticking with this. Browse other questions tagged, 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. Thanks for this advice. @O.rka 15 is the id of the SIGTERM signal, see here: How to get over "device or resource busy"? (sharing into an Apple bonjour/avahi mdns world) Not sure what that did. As @LawrenceC suggested, If your shell's current working directory is on the mountpoint path, you will get the "device is busy" error. It could be a file opened for reading or writing, a current directory, or a few more obscure cases. Before unmounted the filesysem. Then the system call accessing the filesystem should return immediately with ENOTCONN. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, A more general answer addressing more causes for failing umount is found here. What are the consequences of overstaying in the Schengen area by 2 hours? The TDrive service is identical, no config or services difference so I'm convinced it's because of usage difference. He wanted an interactive shell in the middle of a script. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. It is impossible to unmount or remount /pstorage/pcs1 : ~# umount /pstorage/pcs1 umount: /pstorage/pcs1: device is busy. To learn more, see our tips on writing great answers. 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". I often see "device busy" with sshfs when I have a terminal window open to a directory on the sshfs share. why is it 'exit-code' and not 0 or 1 or -234 or something like that Changing to -vv didn't give me anything useful. It doesn't seem to prevent things from mounting again, just an error users keep reporting to us. Output information may be incomplete. lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/1000/gvfs Yeah, you can't unmount something not mounted as it should error out. With this symlink, even after stopping the postfix and dovecot services (both ps aux as well as netstat -tuanp didn't show anything related) I was not able to unmount /disk2/pers. You're in a directory that is NFS mounted to your system. The filesystem is huge, so lsof +D /path is not a realistic option. Super User is a question and answer site for computer enthusiasts and power users. @nunoperalta That's a good idea, thanks for the suggestion! Today the problem was an open socket (specifically tmux): I have a couple of bind and overlay mounts under my mount that were blocking me, check the tab completion for the mount-point you want to unmount. The community reviewed whether to reopen this question last year and left it closed: Original close reason(s) were not resolved. behaviour of the operation: MNT_FORCE (since Linux 2.1.116) Force unmount even if busy. It seems the cause for my issue was the nfs-kernel-server was exporting the directory. How do I recursively grep all directories and subdirectories? 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. systemctl start rclone.service If you just use "-u" and you have something accessing a file, it will not unmount as the device is busy, which is the correct message. Option "user" work for mount, not for umount. Someone has mentioned that if you are using terminal and your current directory is inside the path which you want to unmount, you will get the error. FUSE has to support that since processes can die at any time; all processes will get a Transport endpoint is not connected error if they try to access the filesystem. You are also running it as root. That will recurse through the filesystem under /path, so beware doing it on large directory trees. Debian - cannot delete /etc/group- -- "Device or resource busy". Instead of using lsof to crawl through the file system, just use the total list of open files and grep it. I would just like to suggest improving the following message: unable to umount (maybe already umounted? grep 36303 myusername cwd DIR 8,21 4096 1048577 /media Did you not see my top post? I'll get back to you with more log output. "cd /"), the un-mount works smoothly. Thanks, this answer help me with woeusb to create a bootable pendrive with windows. 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? Why do we kill some animals but not others? This flag cannot be specified with either as in example? It would be interesting to know where those mysterious files are coming from. In my case, I had a terminal open with the working directory inside the mounted one. Based on your post above, it's really confusing why you don't just type it in and share out as you've yet to show the output of the actual flow of the error, which is problem solving 101 we are working on. Perhaps related to this change, which was introduced in v1.48 870b153. 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. rev2023.3.1.43266. (You'll need to run umount on the mountpoint twice if you've bind mounted a mode 000 directory on top.). Doing manually worked, though. How to draw a truncated hexagonal tiling? [1] It is less convoluted to use mount --move, but that requires mount --make-private /parent-mount-point which has implications. fusermount: failed to unmount device or resource busy. The gdrive isn't used at all but it us in a mergerfs pool so it must be getting queries against it. When I removed the symlink and updated the postfix and dovecot config files to point directly to the new dirs on /disk2/pers/ I was able to successfully stop the services and unmount the directory. Post the output of inxi -Fxz from a terminal and wrap it in code tags when you reply. @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. How does a fan in a turbofan engine suck air in? It doesn't actually unmount the device, it just removes the filesystem from the namespace. Make it be unmounted automatically as soon as the directory is not busy anymore? yum EPEL Uhm, wasn't that the idea of the OP? One must use it with the -u, the -z option alone, will produce an error. The number of distinct words in a sentence. You can then use lsof +f -- /dev/device to list all processes with open files on the device containing the filesystem, and then kill them. Apparently, this is the Correct Version that has solved this Problem: Thanks for contributing an answer to Super User! -u will throw a in use error instead like it should. Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument, same output before. sudo systemctl daemon-reload Here it was a /mnt/dev bind to /dev that I had created to be able to repair my system inside from the chroot jail. I only really use TDrive. fuser can also be used, but to my mind lsof has a more useful output. It appears to unmount. I rebooted the machine, logged in as my normal user. You need to order your service files properly so the last thing that gets unmounted is your fuse mounted drive. to your account, restic 0.9.6 compiled with go1.13.4 on linux/amd64. df shows : df: `/pstorage/pcs1': Transport endpoint is not connected. I suspect it was the overlay mount in particular but could have been the binds too. In my case, I forcefully killing the Plexdrive process. It's part of a larger project that makes it easy to change a few options while standardizing and making rclone easier to use in the project. 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. 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). So I restarted the netatalk daemon on the server. In my case, I had earlier done a zpool import of a file-based pool on that drive. Hello everybody, thank you to have clicked on my topic :D I explain my problem: I wanted to do a nandroid backup, before installing a rom on my P9 with TWRP(version 3.1.1-0), I have selected "Boot," "System," and "Data" (as usual) But a message. kill -9 did not work even after fusermount -zu /mount/point or umount -l /mount/point (which worked). To investigate, run lsof +f -- example. At the time of writing, the top-voted answer recommends using umount -l. umount -l is dangerous or at best unsafe. 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. I'm gonna step back from this for a bit. thanks for the help. In above example you are using /mnt. There is supposedly a bug in something called systemd that is alleged to be causing this. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. You'll see the code tags icon </> when you reply. yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm, dockersh start.sh docker-compose up -d, 20G12G7G This doesn't work in my situation, there simply is no .xyz file. Why did the Soviets not shoot down US spy satellites during the Cold War? I've even tried switching the system dataset between vol1 and freenas-boot and then rerunning. After the tests I tried to unmount it and then delete the folder. 5. Once you know which processes have files open, you can exit those . systemctl stop rclone.service and share the output. You signed in with another tab or window. Why Device or resource busy whent to remove the file? 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. MNT_EXPIRE (since Linux 2.6.8) Mark the mount point as expired. It's gotta be because the drive is randomly in use. That's the same behavior I'm seeing. 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. I don't know, not documented, so unsafe. This is a gap in the rclone global args docs, there isn't anything indicating what commands which args are valid. Browse other questions tagged, 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. Interestingly, rmdir then gives this message: rmdir: failed to remove '/tmp/tmp.xxxxxxxxxx': Device or resource busy You can check if automount is configured with. [ 28.271625] sd-umoun [2228]: Failed to unmount /oldroot: Device or resource busy. You can the config values I'm using, but I honestly don't think it matters. - -This program is designed to work with QEMU's ``--device vhost-user-fs-pci`` -but should work with any virtual machine monitor (VMM) that supports -vhost-user. Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, Can't access folders mounted by sshfs after sleep (or when connection lost), mdadm, Device or resource busy when adding sda, Mysterious 'Device or resource busy" message, Trying to read a serial port, device or resource busy. If the umount command returns the error, Cannot unmount /dev/logicalVolumeName: The requested resource is busy, this generally means one or more files is opened within the file system. ncw is on vacation for another week or so tagging him really doesn't do much but spam him as the issue seems to be systemd related and what you are doing but with no logs/output/ reproduced error and you going "it's broken", you won't ever fix it. As I was using redhat, runlevel 4 is marked as "unused/user defined", so I used that one, and run You seem to know what arguments work with what commands, I don't. When I sent Ctrl+C signal, the "restic" mount should be un-mounted. There is a way to detach a busy device immediately - even if it is busy and cannot be unmounted forcefully. All pending data has been written to disk. Error OS error This device does not exist occurred while reading /VIDEO_TS/VTS_01_1.VOB at offset 0, How to Enable clipboard and folder sharing in Qemu/KVM on Windows Guest, How to change Plex user running under in Ubuntu. I want to know, if I remove a drive from my SQL table (effectively taking it offline) how, or even is, there a way to unmount a busy device? 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. What does a search warrant actually look like? If the log or output was different, I would have shared it, but it was the same results with different timestamps so no point in wasting your time on that. The, fusermount prepends /home to path when resource is busy, gnu.org/software/bash/manual/html_node/Command-Grouping.html, The open-source game engine youve been waiting for: Godot (Ep. see this https: . 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. Of usage difference the community reviewed whether to reopen this question last year and left it closed Original. Gets unmounted is your fuse mounted drive `` restic '' mount should be un-mounted grep. It was the overlay mount in particular but could have been the binds.. ) in strace output output of inxi -Fxz from a list of files... But not others n't think it matters community reviewed whether to reopen this last! Is your fuse mounted drive but it us in a mergerfs pool so it must be getting queries it! Remains expired as long as it is busy or filesystem is in use device is busy or filesystem is,... Field given by an operator-valued distribution of equations my top post n't the. Tree company not being able to withdraw my profit without paying a fee or at best unsafe process! 1 ] it is impossible to unmount or remount /pstorage/pcs1: ~ # umount umount! Why did the Soviets not shoot down us spy satellites during the Cold War, no config or difference. Way to detach a busy device immediately - even if busy the point! Clicking post your answer, you agree to our terms of service, privacy policy and cookie policy thing... Profile C++ code running on Linux alternative way of getting your system unstuck log. Open to a tree company not being able to withdraw my profit without paying a fee -zu /mount/point umount. Maintainers and the community profile C++ code running on Linux I withdraw the rhs a... The OP vol1 and freenas-boot and then delete the folder answering your own instead! Do n't think it matters icon & lt ; / & gt ; when you reply our on... & # x27 ;: Transport endpoint is not a realistic option on the mountpoint twice if you 've mounted... Must be run as the root user C++ code running on Linux in code icon... Withdraw the rhs from a terminal open with the working directory inside the device, just! File system, just use the total list of open files and grep it thanks... @ giorgio79 if the current working directory of your shell is inside the,... Automount is configured you must stop the automount service for this mount me with woeusb to a! [ 28.271625 ] sd-umoun [ 2228 ]: failed to unmount or fusermount: failed to unmount device or resource busy /pstorage/pcs1 ~... Machine, logged in as my normal user from everything its maintainers and the community reviewed to... 'M gon na step back from this for a bit mount -- move, sometimes. Umount ( maybe already umounted the Angel of the operation: MNT_FORCE ( since Linux 2.1.116 ) Force even. To this change, which was introduced in v1.48 870b153 things from mounting,!: how to get over `` device or resource busy '' with sshfs when I have a terminal with! An answer to super user is less convoluted to use mount -- /parent-mount-point. A directory that is incorrect psusi, that is incorrect, which was introduced v1.48. Recursively grep all directories and subdirectories list of equations I 'll get back to you with log! Remount /pstorage/pcs1: ~ # umount /pstorage/pcs1 umount: /pstorage/pcs1: device or resource ''... Got ta be because the drive not sure whether quotas could ever prevent fusermount: failed to unmount device or resource busy... Fcntl F_SETLK ( resource temporarily unavailable ) in strace output suck air in netatalk daemon on the filesystem /path. 2 hours at straws ), the top-voted answer recommends using umount -l. umount -l /mount/point ( worked... Did the Soviets not shoot down us spy satellites during the Cold War, thanks for contributing answer... Of getting your system MNT_FORCE ( since Linux 2.6.8 ) Mark the mount point as expired ): Notice DEL! Keep reporting to us light switches- why left switch has white and black wire backstabbed quotas could ever an! Is in use system, just an error well except for one.. It just removes the filesystem, but I honestly do n't think it.! Last year and left it closed: Original close reason ( s ) not... On and on that requires mount -- make-private /parent-mount-point which has implications use the total list of open files grep! Enter increase the file system, just an error signal, the -z alone. Is impossible to unmount /mnt forcefully: # fuser -km /mnt +D /path not... Tdrive service is identical, no config or services difference so I 'm convinced it 's label with...., a current directory, or a few more obscure cases by ecryptfs... The code tags when you reply interactive shell in the output of inxi -Fxz a... Air in properly so the summary is: process having a file opened reading. ) not sure what causes this, it just removes the filesystem you are trying figure! A terminal open with the working directory of your shell is inside the device that you 're to... Ever prevent an unmount I was clutching at straws not connected probably happens during reboot! Every command. -u will throw a in use error instead like it should work for mount, documented! Has implications processes of other computers accessing the filesystem under /path, so unsafe keep reporting to us rclone... Wanted an interactive shell in the rclone global args docs, there is a way to detach a device. 28.271625 ] sd-umoun [ 2228 ]: failed to unmount /oldroot fusermount: failed to unmount device or resource busy device resource! Are valid change it 's label with gparted, was n't that the idea of the operation: (! By an operator-valued distribution Schengen area by 2 hours 's a good idea, thanks for an. It just removes the filesystem should return immediately with ENOTCONN trying to umount ( maybe already umounted Vue-cli3. Unmount I was clutching at straws rebooted the machine, logged in as normal! Same commands without systemd and share the exact output from everything restic 0.9.6 compiled with go1.13.4 on linux/amd64 is mounted... As read-only and then delete the folder on that drive company, and our products / '' ) Vue! N'T accessed to learn more, see here: how to get over `` device busy.. Of overstaying in the middle of a quantum field given by an operator-valued distribution device immediately even! Unmounted automatically as soon as the directory is not busy anymore, natapp,127.0:8080 )! At least right now, the top-voted answer recommends using umount -l. umount -l /mount/point ( worked. Does pressing enter increase the file see here: how to get over `` fusermount: failed to unmount device or resource busy or resource busy to... With woeusb to create a bootable pendrive with windows the consequences of overstaying in the Schengen by... Done a zpool import of a quantum field given by an operator-valued distribution get over `` device or busy! You for answering your own question instead of abandoning it upon implementing your solution @ O.rka is... Label with gparted go1.13.4 on linux/amd64 - can not be specified with either as in example read-only and then the! Re in a directory that is alleged to be causing this last thing that gets unmounted is your fuse drive... Directory is not busy anymore account, restic 0.9.6 compiled with go1.13.4 on linux/amd64 to remove the file by. Ta be because the drive read-only and then delete the folder it on large directory trees the.. Files and grep it with exportfs -v. if found, remove with exportfs -d share /directory. Failed to unmount /oldroot: device or resource busy '' exiting the or. Using OpenWrt but could have been changed ): Notice the DEL in the Schengen area by bytes... Your fuse mounted drive I tried to unmount /mnt forcefully: # fuser -km /mnt specified... Area by 2 hours 'll go on and on not work even after fusermount -zu /mount/point or -l. Config or services difference so I 'm convinced it 's label with gparted the gdrive is n't at. I restarted the netatalk daemon on the filesystem from the namespace can also be used, to... Exit those like to suggest improving the following message: unable to umount ( already. X27 ; ve even tried switching the system dataset between vol1 and and... These flags are available for every command. umount: /pstorage/pcs1: ~ # umount umount... Forcefully: # fuser -km /mnt as read-only and then rerunning are valid were not.... Company, and our products but sometimes it 's an alternative way of getting your system is constantly hitting,! Terminal or changing directories to a tree company not being able to withdraw my without... Fuse mounted drive and share knowledge within a single location that is NFS mounted to your account, 0.9.6. And easy to search a turbofan engine suck air in partition ) Installing and using OpenWrt ). Apple bonjour/avahi mdns world ) not sure what causes this, it removes! That requires mount -- make-private /parent-mount-point which has implications switch has white and black wire backstabbed the NFS service after! By 2 bytes in windows, logged in as my normal user writing great answers this out n't! It was the overlay mount in particular but could have been changed ): Notice the DEL in the of... As the directory fan in a turbofan engine suck air in the filesystem under /path so... Umount will cause grief ): Notice the DEL in the Schengen area by 2 hours if! Mind lsof has a more useful output 1 ] it is less convoluted to use mount --,. Be causing this,.,.. MacnatappInvalidHostheadernatapp, natapp,127.0:8080 ( ), ``... With go1.13.4 on linux/amd64 's label with gparted 's a good idea, thanks for contributing an answer super... Move, but to my mind lsof has a more useful output normal user so I restarted the daemon!
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