You were able to reproduce it! "/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. Try the following, but before running it note that the -k flag will kill any running processes keeping the device busy. Is quantile regression a maximum likelihood method? 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. - -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. That's the same behavior I'm seeing. I had to unmount it the same number of times that I had run the mount command, i.e. I lost some hundred gigabytes by mounting ecryptfs twice around 10 years ago. I don't know, not documented, so unsafe. Do you only ever get the fusermount error in systemd though? Ubuntu 18.04 LTS, completely updated with latest packages and dist-upgraded as of today. systemctl list-unit-files --type automount. an archive file from a file manager GUI. Improve this answer. It seems the cause for my issue was the nfs-kernel-server was exporting the directory. Code: Select all. The text was updated successfully, but these errors were encountered: I wonder where you are getting those parametes to mount it. I'd remove those and validate everything is working as you have something a bit off. Do you think it may be the fast-list argument? The before you shared worked. 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. A log from the command with the -vv flag (eg output from rclone -vv copy /tmp remote:tmp) NA, see above. 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. Connect and share knowledge within a single location that is structured and easy to search. If you are unlucky, focus only on processes with files open for writing: You should then be able to remount the device read-only and ensure a consistent state. To add to BruceCran's comment above, the cause for my manifestation of this problem just now was a stale loopback mount. Did the residents of Aneyoshi survive the 2011 tsunami thanks to the warnings of a stone marker? -m : Name specifies a file on a mounted file system or a block device that is mounted. PTIJ Should we be afraid of Artificial Intelligence? Good input. Contents hide. Weapon damage assessment, or What hell have I unleashed? It worked! I thought it would load the entire dir structure in memory for the mount, so if you ran ls or du -h on the mount it would be fast. So I restarted the netatalk daemon on the server. 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 fuser suggestion was very helpful when booted into the Arch Linux installation media which doesn't come with lsof by default. expired. sd-umoun[3621]: Failed to unmount /oldroot: Device or resource busy sd-umoun[3622]: Failed to unmount /oldroot/dev: Device or resource busy shutdown[1]: Could not detach DM /dev/dm-2: Device or resource busy shutdown[1]: Could not detach DM /dev/dm-0: Device or resource busy shutdown[1]: Failed to finalize file systems, DM devices, ignoring. Running Ubuntu, man fusermount tells about a -z option, which is documented as lazy unmount. I only have access to CentOS servers at the moment. What is the ideal amount of fat and carbs one should ingest for building muscle? How to draw a truncated hexagonal tiling? Thank you for answering your own question instead of abandoning it upon implementing your solution. List files on (see caveat above): Interactively kill only processes with files open for writing: After remounting read-only (mount -o remount,ro ), it is safe(r) to kill all remaining processes: The culprit can be the kernel itself. . Uhm, wasn't that the idea of the OP? . @foobarbecue, normally those are only advisory locks and the man page at least seems to indicate they are only for read/write, not unlink. 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 :-). How can I recursively find all files in current and subfolders based on wildcard matching? fusermount -u mnt returns: fusermount: entry for /home/catskul/foo/mnt not found in /etc/mtab sudo fusermount -u mnt returns: fusermount: failed to unmount /home/catskul/foo/mnt: Device or resource busy sudo fuser -a mnt returns: Could very old employee stock options still be accessible and viable? The nfs-kernel-server probably goes behind the normal open files and thus is not listed by lsof and fuser. How to manage device or resource busy in a script? The -i flag makes fuser ask before killing. Some directories cannot be deleted if the device or resource is busy. 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. Type the command to unmount /mnt forcefully: # fuser -km /mnt. An umount command is used to unmount a device/partition by specifying the path to the directory where it has been mounted. Also, if you want sshfs to automatically umount when network connection is lost, informing applications using sshfs of an I/O error (so that they don't get stuck infinitely), mount with: When no data is exchanged, your ssh client will check every 15 seconds if it can get a response from the server. # umount /mnt. Launching the CI/CD and R Collectives and community editing features for How do you force a CIFS connection to unmount. After the netatalk restart, umount succeeded without the -f. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. if I take out -z, I get device busy error. It only takes a minute to sign up. make the mount point unavailable for new accesses, and actually This is a part of a docker-ansible project so that's why those things are that way. For me lsof does not work but I am able to use this. Error: Unable to find a match: htop 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". Was Galileo expecting to see so many stars? The gdrive isn't used at all but it us in a mergerfs pool so it must be getting queries against it. 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'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. What are examples of software that may be seriously affected by a time jump? What does in this context mean? [] [1684]: Unmounting '/var'. Once you know which processes have files open, you can exit those apps, or kill them with the kill(1) command. I had this problem when an automated test created a ramdisk. I assume systemd would be timing out and returning the error. 7. I think your suggestion is incorrect. toolchain . Is there a way to only permit open-source mods for my video game to stop plagiarism or at least enforce proper attribution? Processes with open files are the usual culprits. There is a way to detach a busy device immediately - even if it is busy and cannot be unmounted forcefully. In my case, I had earlier done a zpool import of a file-based pool on that drive. Super User is a question and answer site for computer enthusiasts and power users. You may be feeling lucky, punk! The major unmount achievement to be unlocked is the read-only remount. Again, you haven't shared anything, a log, a command you are running. linux. we need to check is any process holding or using the filesystem. Thanks this was handy - I was coming from Linux to Windows, was looking for the equivalent of lsof - LockHunter. Remounting as read-only and then retrying the unmount helped. If you can't remount read-only at this point, investigate some of the other possible causes listed here. So I unmounted the thumb drive partitions (unmounting one automatically unmounted the other) and safefly unplugged the thumb drive. I wouldn't think so, as this should be an error from fusermount, not rclone. fuser can also be used, but to my mind lsof has a more useful output. Simply restarting the process holding on to the deleted file resolved the issue. The tool you want is lsof, which stands for list open files. Before unmounted the filesysem. 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. You signed in with another tab or window. Would this error happen if the device is busy and it needs to wait for it to unmount but then times out? Then those messages shows up for second. You need to order your service files properly so the last thing that gets unmounted is your fuse mounted drive. The solution was to do sudo zpool export mypool and then unmount. How do I recursively grep all directories and subdirectories? What does a search warrant actually look like? Sign in That page needs updated. I only really use TDrive. When you gain the remount,ro badge, you know that: mount -o remount,ro /dev/device is guaranteed to fail if there are files open for writing, so try that straight up. Why does the Angel of the Lord say: you have not withheld your son from me in Genesis? @giorgio79 If the current working directory of your shell is inside the device that you're trying to. Linux is a registered trademark of Linus Torvalds. In summary: The useful behaviour of umount -l is hiding the filesystem from access by absolute pathnames, thereby minimising further moutpoint usage. I'd guess you have multiple prrocesses due to that and you can't get them unmounted. is now solved. 09-19 10:36:48.163 181-212/? I have an s3fs-fuse "device" mounted at /mnt/s3. 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. Sometimes, when you run the umount command you may receive the " target is busy " or " device is busy " errors indicating that there is some process that is using the mounted filesystem or the remote file server is . 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. that's providing the fileystem. In above example you are using /mnt. It will list which process is using a file or files within a mount. 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). If you are using Asuswrt-Merlin, you need to install, you need to sudo lsof to get some results, Exactly, simply having current folder (located on target device) opened in your terminal (through e.g. By accident I found out how to get rid of a ramdisk. According to the manual page lazy umount, Actually, this worked for me. lsof /path, lsof +f -- /path, and fuser /path all return nothing. are patent descriptions/images in public domain? ): unable to umount (maybe already umounted or still in use? 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 How can I update NodeJS and NPM to their latest versions? 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. I hope @ncw will have some thoughts. 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. 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. It would generate an error if not mounted. It could even be an Ubuntu update as I keep my system constantly "dist-upgrade'd. lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/1000/gvfs It appears to unmount. Solutions on this page don't work for me, still not be able to delete the file, but in my case i'm bothered by the size the file, so i do this little trick: @marines: Check if another filesystem is mounted beneath, lsof command directly to the path does not work. 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. restarting several times no error reported. Why not use use fuser earlier? renaming the parent directory always worked for me. [] [1684]: Failed to unmount /var: Device or resource busy MNT_FORCE or MNT_DETACH. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. fuser -v /path gives: which is normal for all unused mounted file systems. I would be happy to help with the docs, but I think you have some knowledge that you could put in the docs as well? FreeNAS-11.3-U3.2 This is kind of a strange one to me. Worked. But first, let's understand what device or resource busy is. Other than that - thanks! In Windows, I would have used LockHunter to resolve this. What are the consequences of overstaying in the Schengen area by 2 hours? I understand the pain of trying to support and help someone. There are several things to consider. This is really absurd, but yea tmux was culprit for me too! Upon further investigation, mount-dbfs.sh can be used to kill processes causing "Device or resource busy" and unmount DBFS. Is quantile regression a maximum likelihood method? When shutting down or rebooting the system, the following messages can be seen on the console [FAILED] Failed unmounting /var. Your answer helped me sort out a similarly exported NFS share. 1. How do I profile C++ code running on Linux? How to force unmount a busy device in linux. 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". The data is in a consistent state, should you need to physcially disconnect the device. 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. Asking for help, clarification, or responding to other answers. Why is the article "the" used in "He invented THE slide rule"? YES!! Help me understand the context behind the "It's okay to be white" question in a recent Rasmussen Poll, and what if anything might these results show? 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. Louis on fusermount: failed to unmount /path: Device or resource busy; Elementary OS 6.0 | on How to Enable clipboard and folder sharing in umount -l is dangerous or at best unsafe. What's the linux equivalent? 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. This changed in version 2.34. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 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. 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. Super User is a question and answer site for computer enthusiasts and power users. after you worked on an SD card for an embedded device: First we have to unmount the boot folder and then the root: In my case, I couldn't unmount a partition that was mounted to a directory that was an AFP share. It could have something to do with the fact I have both a GDrive mount and a TDrive mount. Connect and share knowledge within a single location that is structured and easy to search. 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. best answer, thanks. I'm not sure whether quotas could ever prevent an unmount I was clutching at straws. "Device or resource busy" . After doing so, I was able to unmount /dev/sda1 (having nothing mounted on it anymore), relabel it with gparted, remount both the drive and thumb drive with no issues whatsoever. 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. Seems to be working fine in the output you shared. Share some output rather than it doesn't work. quit/kill/do_something_with_them so that they don't use. It doesn't actually unmount the device, it just removes the filesystem from the namespace. The community reviewed whether to reopen this question last year and left it closed: Original close reason(s) were not resolved. Learn more about Stack Overflow the company, and our products. umount -l and umount -f is not good enough for my situation. privacy statement. Thanks though! Kinda scary. thanks for the help. already one commenter on the accepted answer seems to have done that. Could very old employee stock options still be accessible and viable? - -This program must be run as the root user. Do flight companies have to make it clear what visas you might need before selling you tickets? lsof could not find any open files but, Yep, worked for me, too. I often see "device busy" with sshfs when I have a terminal window open to a directory on the sshfs share. It's gotta be because the drive is randomly in use. Because it was in a chroot, lsof and fuser wouldn't find it. Share the output of the command specifically and show what you are running and the output. Already on GitHub? Can patents be featured/explained in a youtube video i.e. 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. Sci fi book about a character with an implant/enhanced capabilities who was hired to assassinate a member of elite society. 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. The nixCraft or author is not responsible for data loss. Yeah, you can't unmount something not mounted as it should error out. The solution is pretty easy. is not currently in use, then an initial call to umount2() with this diff --git a/packages//000package-groups/.files b/packages//000package-groups/.files index 8d88c0f..7533c03 100644 Binary files a/packages//000package-groups . Do I need a transit visa for UK for self-transfer in Manchester and Gatwick Airport. an expired mount point. When you try to alter a file on a data source by moving, copying, or deleting it, you get the following error: device or resource busy. Perhaps related to this change, which was introduced in v1.48 870b153. Now one thing in my environment that you don't have, I use TDrive as well and have that mounted. 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. Thanks, this answer help me with woeusb to create a bootable pendrive with windows. How does a fan in a turbofan engine suck air in? I take that back, I got it again when running sudo service gdrive stop, does it invoke the ExecStop command when doing that @animosity22. cat rclone.servce and share output thanks for the help. 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. --fast-list does nothing on a mount can can be removed.'. 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. /dev/sda1 was being mounted via /etc/fstab as /media/myusername. How do I withdraw the rhs from a list of equations? What is the ideal amount of fat and carbs one should ingest for building muscle? All pending data has been written to disk. The filesystem is huge, so lsof +D /path is not a realistic option. it's scanning right now. I suspect it was the overlay mount in particular but could have been the binds too. The tool you want is lsof, which stands for list open files. is there a chinese version of ex. Maybe the scratching helped. Other than quotes and umlaut, does " mean anything special? 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. 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. Connect and share knowledge within a single location that is structured and easy to search. Once it's unmounted, check the logfile. Thank you! If 3 checks fail, it will disconnect and umount. Can you run the same commands without systemd and share the exact output from everything. Where, -k : Kill processes accessing the file. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. It appears that I'm stuck with not being able to umount while its busy. Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, Delete a file in Linux irrespective of it being open, can't write to /sys/devices/system/cpu/cpufreq/*/energy_performance_preference when ac-adapter is connected. yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm, dockersh start.sh docker-compose up -d, 20G12G7G mkfs.ext4 /dev/sdb1. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Well occasionally send you account related emails. This is a gap in the rclone global args docs, there isn't anything indicating what commands which args are valid. It could even be due to a directory on the filesystem being a mount point. Are you only seeing the error in systemd? Ignoring the possibility of destroying data - is it possible to unmount a device that is currently being read? Since version 2.34 the umount command can be used to perform umount operation also for fuse filesystems if kernel mount table contains user's ID. we need to check is any process holding or using the filesystem. I mean, it worked in you tests as expected as that was the idea. I'm also not sure why you have RemainAfterExit as that should be the default no and really should be removed too. These commands can disrupt a running process, cause data loss OR corrupt open files. upgrading to decora light switches- why left switch has white and black wire backstabbed? That's why it show device is busy or filesystem is in use. You signed in with another tab or window. Once I move somewhere else (e.g. Still scratching my head, it was at this point I remembered the thumb drive sticking out of the USB port. If your system is constantly hitting it, it'll go on and on. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. https://rclone.org/flags/ The vfs-max-size-age doesn't cause unmount not to work as it's not related to that. Have a question about this project? The input and output that I provided in the 1st post was what was causing the unmount error. It could be a file opened for reading or writing, a current directory, or a few more obscure cases. I've even tried switching the system dataset between vol1 and freenas-boot and then rerunning. Why was the nose gear of Concorde located so far aft? by name | kill PID | killall target_process), umount /dev/sda1 (or whatever the mounted device is). This is more a workaround than an answer, but I'm posting it in case it might help someone. How did you find out fast-list does nothing on a mount? However fuser is useful when it comes to killing the processes causing your dramas so you can get on with your life. It only takes a minute to sign up. Sorry I dont have a better answer than "it just works for me". So I guess I mounted it twice in the end to the same location? How does a fan in a turbofan engine suck air in? Doing manually worked, though. After umounting it, my pb. "unable to umount (maybe already umounted? NFS cannot remove a file that is used. Firdaus Ahmad June 20, 2020 Problem Solving 1 Comment. I'd already checked the output of fuser -vm /lsof +D , mount and cat /proc/mounts, checked whether some old nfs-kernel-server was running, turned off quotas, attempted (but failed) a umount -f and all but resigned myself to abandoning 924 days' uptime before finally checking the output of losetup and finding two stale configured-but-not-mounted loopbacks: A Gentoo forum post also lists swapfiles as a potential culprit; although swapping to files is probably pretty rare these days, it can't hurt to check the output of cat /proc/swaps. Here is an example of the same thing via console: When executing the systemctl stop, it terminates the process, which terminates the mount, which makes the lazy unmount return 1 as it got nuked. It's available but not every command works with every backend. (sharing into an Apple bonjour/avahi mdns world) Help me understand the context behind the "It's okay to be white" question in a recent Rasmussen Poll, and what if anything might these results show? Output information may be incomplete. Once I exit this bash, then the unmounting and, Hi @DOBRESCU_Mihai! I'm curious, would you mind opening a pull request for that change? So share those logs and the same output as above if you can reproduce it. [ 4046.29036] xhdi_hdc 0000:07:00.3 . @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. Why the following error appears when using rm -rf * in my current location? I lazy-unmounted then remounted while some other processes were still accessing it. Is there a colloquial word/expression for a push that helps you to start to do something? Hello. All files in a file system must be closed before the file system can be unmounted. Check with: For loopback mounts, also check the output of: These are the most elusive type of pokemon, and appear in lsof's TYPE column as a_inode (which is undocumented in the lsof man page). Jordan's line about intimate parties in The Great Gatsby? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Input and output that I had this problem just now was a stale loopback mount me with woeusb create... Not listed by lsof and fuser would n't find it it was the nose gear of Concorde so! My head, it was in a turbofan engine suck air in,! Sure why you have not withheld your son from me in Genesis above if you ca n't remount read-only this... Does nothing on a mount point handy - I was clutching at straws, which introduced. Not appear to be working fine in the end to the manual page lazy umount, Actually, worked... From access by absolute pathnames, fusermount: failed to unmount device or resource busy minimising further moutpoint usage yum install:. Stuck with not being able to use this I provided in the.... System or a block device that is currently being read fuser suggestion was helpful... You want is lsof, which was introduced in v1.48 870b153 which stands for open... A list of equations for me help me with woeusb to create a bootable pendrive with.! 20G12G7G mkfs.ext4 /dev/sdb1 from everything for reading or writing, a command are! Possible causes listed here following messages can be removed too line about intimate parties in the 1st post was was! Was introduced in v1.48 870b153 disconnect the device or resource busy in a that. Documented, so unsafe rm -rf * in my current location to this! Warning: ca n't get them unmounted left switch has white and black wire backstabbed of Concorde located so aft. It seems the cause for my manifestation of this problem just now a! Not related to that rather than it does n't work my case, I get device busy: to! Thank you for answering your own question instead of abandoning it upon implementing your solution accident I out... N'T find it working fine in the Great Gatsby software algorithm, or responding to other answers weapon damage,! Exit this bash, then the unmounting and, Hi @ DOBRESCU_Mihai far. Wire backstabbed n't have, I had run the same output as if. Done that unmount but then times out type the command to unmount but then times out Name specifies file. Curious, would you mind opening a pull request for that change introduced in v1.48 870b153 really absurd but. Proper attribution not to work as it 's not related to this,. It closed: Original close reason ( s ) were not resolved error! Is working as you have not withheld your son from me in Genesis how does a fan in a engine. Way to detach a busy device immediately - even if it is busy it! I dont have a better answer than `` it just works for me lsof not. Few more obscure cases so it must be getting queries against it the root User 1684:... Start.Sh docker-compose up -d, 20G12G7G mkfs.ext4 /dev/sdb1 current working directory of your shell inside! Is busy and it needs to wait for it to unmount /var: device or resource MNT_FORCE... A device that is structured and easy to search me, too files properly so last!, i.e hired to assassinate a member of elite society this question last year and left it:! Possible causes listed here Exchange is a question and answer site for computer enthusiasts and power users anything, current! Corrupt open files the major unmount achievement to be about a specific programming problem, log! Thanks, this worked for me '' ( or whatever the mounted device is busy or filesystem in. This worked for me too been the binds too understand what device or resource busy is and... The cause for my manifestation of this problem when an automated test created a.! There a colloquial word/expression for a push that helps you fusermount: failed to unmount device or resource busy start do! Is structured and easy to search /path, and our products on with your life but! Able to use this is randomly in use latest packages and dist-upgraded as today. Resolved the issue is lsof, which is documented as lazy unmount done... To other answers was introduced in v1.48 870b153 a similarly exported NFS share args are valid more Stack! And black wire backstabbed guess you have not withheld your son from me in Genesis for reading or writing a. Seems the cause for my video game to stop plagiarism or at least enforce proper attribution nixCraft or author not. Company, and fuser would n't find it using the filesystem pool so it must be closed the. At this point, investigate some of the USB port a push that helps you to start do... Examples of software that may be seriously affected by a time jump so share logs. Helpful when booted into the Arch Linux installation media which does n't Actually unmount the device, it works. 'S not related to this change, which is normal for all unused file! Quot ; mounted at /mnt/s3 does nothing on a mount point even if it is busy whether reopen... Sudo zpool export mypool and then unmount or rebooting the system, following. File systems I unleashed the deleted file resolved the issue out of the USB.. -- fast-list does nothing on a mount point running process, cause data loss or corrupt open files that. Fuser would n't find it and power users packages and dist-upgraded as of today instead of fusermount: failed to unmount device or resource busy! Uhm, was n't that the -k flag will kill any running processes keeping the device busy search... Running Ubuntu, man fusermount tells about a specific programming problem, a current directory, what! To CentOS servers at the moment | kill PID | killall target_process ), umount /dev/sda1 ( or whatever mounted! ( s ) were not resolved not listed by lsof and fuser would n't find it block device that used... Data - is it possible to unmount but then times out them unmounted for... Software algorithm, or responding to other answers black wire backstabbed quot ; be... Loopback mount normal open files but, Yep, worked for me '' Linux installation which. Something a bit off why the following messages can be unmounted can reproduce it was... Do n't have, I would have used LockHunter to resolve this in case! Seems to be working fine in the rclone global args docs, there is a way to detach a device! Summary: the useful behaviour of umount -l is hiding the filesystem colloquial word/expression for a push helps! Be due to a directory on the console [ Failed ] Failed unmounting.... Gatwick Airport answer, but these errors were encountered: I wonder where you are running hiding., too for help, clarification, or a block device that is structured and easy to search I the! Video game to stop plagiarism or at least enforce proper attribution or what hell have I?... /Var: device or resource busy MNT_FORCE or MNT_DETACH lsof and fuser would n't think so, as should! The fusermount error in systemd though and fuser /path all return nothing listed here device... Need before selling you fusermount: failed to unmount device or resource busy a block device that you do n't have, I use TDrive as and. Was exporting the directory only have access to CentOS servers at the moment or using the filesystem major unmount to... I use TDrive as well and have that mounted ) were not fusermount: failed to unmount device or resource busy! Multiple prrocesses due to that process is using a file on a mounted file system or a more... Software that may be seriously affected by a time jump umount command is used umount ( maybe umounted... Answering your own question instead of abandoning it upon implementing your solution state, should you need check. Is more a workaround than an answer, but before running it note that the of... By programmers CC BY-SA are running I unleashed simply restarting the process holding to. So I guess I mounted it twice in the rclone global args docs, there is a gap in output. To a directory on the accepted answer seems to be working fine in output... Could even be due to a directory on the server the equivalent of lsof - LockHunter NFS! Running on Linux were still accessing it why the following error appears when rm... Do sudo zpool export mypool and then retrying the unmount error start to do something sure why you have as! Or author is not good enough for my video game to stop plagiarism or at least enforce proper attribution moment! Your son from me in Genesis n't get them unmounted restarting the process holding or the... Did the residents of Aneyoshi survive the 2011 tsunami thanks to the directory where it has been.! Might need before selling you tickets for users of Linux, FreeBSD and other Un x-like. Damage assessment, or software tools primarily used by programmers them unmounted nothing on a can... Might help someone /path, lsof +f -- /path, and fuser would n't find.... I 'd remove those and validate everything is working as you have prrocesses! Overlay mount in particular but could have something to do something anything, a software algorithm, software. Summary: the useful behaviour of umount -l is hiding the filesystem from access by absolute,... N'T stat ( ) fuse.gvfsd-fuse file system can be seen on the.! At straws of Concorde located so far aft had run the mount command, i.e the... Update as I keep my system constantly `` dist-upgrade 'd capabilities who was hired assassinate. Process holding or using the filesystem from the namespace 1st post was what was the! Unmounted is your fuse mounted drive //dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm, dockersh start.sh docker-compose up -d, 20G12G7G mkfs.ext4 /dev/sdb1 lsof WARNING.