fusermount: failed to unmount device or resource busy

The major unmount achievement to be unlocked is the read-only remount. see this https: . That page needs updated. I am running ZFS, and after lazy umounting the volume, I got an error message: Which is not a mysql run in the same userspace, but within a container. See the Examples section below. cat rclone.servce and share output You seem to know what arguments work with what commands, I don't. To learn more, see our tips on writing great answers. sudo 36302 root cwd DIR 8,21 4096 1048577 /media 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). 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. I'm assuming its because its a network drive and I can't see the processes of other computers accessing the drive. ): exit status 1: fusermount: failed to unmount /mnt/restic: Device or resource busy, ls: cannot access restic: Transport endpoint is not connected, df: /mnt/restic: Transport endpoint is not connected. @psusi, that is incorrect. cvml 2018-07-05 11:02:37 7517 2. to run. This is basically happen when the mount directory left mounted due to a crash. Type the command to unmount /mnt forcefully: # fuser -km /mnt. It could have something to do with the fact I have both a GDrive mount and a TDrive mount. Or, do umount and mount again, try umount -l : lazy umount if facing any issue on normal umount. init 4 failed to unmount /mnt/restic: Device or resource busy, https://github.com/restic/restic/blob/master/CONTRIBUTING.md. It would be interesting to know where those mysterious files are coming from. Cloud storage cannot be mounted. A virtual FUSE filesystem will be created on the mount point. Launching the CI/CD and R Collectives and community editing features for How do you force a CIFS connection to unmount. You can check if automount is configured with. Firdaus Ahmad June 20, 2020 Problem Solving 1 Comment. MNT_EXPIRE (since Linux 2.6.8) Mark the mount point as expired. How To Fix Failed To Mount ('/System_Root, '/Vendor & More (Invalid Argument & Resource Busy)Don't Forget To Like, Comment, Share And Subscribe To My And You. I understand the pain of trying to support and help someone. "/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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Simply restarting the process holding on to the deleted file resolved the issue. Uhm, wasn't that the idea of the OP? Make sure that you aren't still in the mounted device when you are trying to umount. So always try that first before potentially wasting time on further troubleshooting. Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. How does a fan in a turbofan engine suck air in? 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. The data is in a consistent state, should you need to physcially disconnect the device. One must use it with the -u, the -z option alone, will produce an error. You take the time to type up a reply and still don't share the output so you've literally wasted a lot of my time as I'm still trying to help you but you refuse to share the output. After the tests I tried to unmount it and then delete the folder. How do I figure out why the kernel thinks this filesystem is busy? ): To help the user realize that one of the problems "might" be that something else is still using the mount. 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. rev2023.3.1.43266. UNIX is a registered trademark of The Open Group. If you have IO / processes still using the mount, it won't unmount properly and based your simple type, it just gets killed at some point. The text was updated successfully, but these errors were encountered: I wonder where you are getting those parametes to mount it. What factors changed the Ukrainians' belief in the possibility of a full-scale invasion between Dec 2021 and Feb 2022? It worked! I connected to the other active screen session and its shell wasn't even currently sitting in the mounted directory. we need to check is any process holding or using the filesystem. Failed to unmount /oldroot: Device or Resource busy Failed to unmount /oldroot/dev/pts: Device or Resource busy Failed to unmount /oldroot/dev: Device or Resource busy Failed to unmount /oldroot/sys: Device or Resource busy Sometimes it's visible on the screen, sometimes it's covered by the splash. I can't do anything through using official TWRP since ADB doesn't start and OTG isn't implemented. Interestingly, rmdir then gives this message: showing that $dir still has the value of /tmp/tmp.xxxxxxxxxx. an archive file from a file manager GUI. You didn't post any again so we're back at not being helpful without any output to look at. The solution was to do sudo zpool export mypool and then unmount. Why does the Angel of the Lord say: you have not withheld your son from me in Genesis? at least right now, the ps grep is clean. is now solved. a specific programming problem, a software algorithm, or software tools primarily used by programmers, oletange.blogspot.dk/2012/04/umount-device-is-busy-why.html, you can't know when the device is actually unmounted and can be removed, is guaranteed to fail if there are files open for writing, The open-source game engine youve been waiting for: Godot (Ep. I'll get back to you with more log output. Due to the fact that it was created using automated testing, it got mounted many times, hence why I couldn't get rid of it by simply unmounting it once after the tests. Have a question about this project? grep 36303 myusername cwd DIR 8,21 4096 1048577 /media Is the Dragonborn's Breath Weapon from Fizban's Treasury of Dragons an attack? Was Galileo expecting to see so many stars? It only takes a minute to sign up. if I take out -z, I get device busy error. This changed in version 2.34. Is your shell's current directory on the mountpoint path? 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. Generic shared resource locking techniques - is flock the solution? 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. How can I update NodeJS and NPM to their latest versions? The best answers are voted up and rise to the top, Not the answer you're looking for? is not currently in use, then an initial call to umount2() with this 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. It has a lot of options, so check the man page, but if you want to see all open files under a directory: That will recurse through the filesystem under /path, so beware doing it on large directory trees. 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. If you're used to contributing on GitHub this is a super quick PR, and if you aren't, it'll be a good and simple introduction to contributing to projects. Ackermann Function without Recursion or Stack. Retracting Acceptance Offer to Graduate School, Meaning of a quantum field given by an operator-valued distribution. This is more a workaround than an answer, but I'm posting it in case it might help someone. Once you know which processes have files open, you can exit those . Answer. YES!! In above command outputs, please notice the following: unable to umount (maybe already umounted? I still couldn't unmount the partition even with umount -f 542), We've added a "Necessary cookies only" option to the cookie consent popup. An additional reason could be a secondary mount inside your primary mount folder, e.g. rev2023.3.1.43266. Make your own judgement as to whether to make them close files, kill them, or defer the unmount operation. I find this returns must faster, although it's less accurate. So I can run commands in the directory. 7. How to manage device or resource busy in a script? Is quantile regression a maximum likelihood method? Open files aren't the only unmount blocker. I have an s3fs-fuse "device" mounted at /mnt/s3. This typically happens in directories where I am installing or compiling software libraries. $ sudo umount -l ~/gdrive OK sudo Memo If you wanted to unmount a fuse filesystem without sudo, you had to use fusermount -u. The one that matters most is a log file and the loglevel. It appears to unmount. by any process. [ 4044.873100] sd-umount[8299]: Failed to unmount /oldroot: Device or resource busy [ 4044.839977] sd-umount[8300]: Failed to unmount /oldroot/sys: Device or resource busy [ 4044.290367] shutdown[1]: Failed to finalize file systems, ignoring. I tried to rm -rf a folder, and got "device or resource busy". Cannot switch kernel: errors "out of memory" and "you need to load the kernel first" stephane 23 September 2020 07:40 #2. see this . Before unmounted the filesysem. @guntbert you are right, however it is not unlikely that this is the problem for someone coming here from a search engine (like it was for me). 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's gotta be because the drive is randomly in use. everything checks out. Running the fuser command immediately disconnected me from the VPS. -h print help -V print version -o opt [,opt.] To investigate, run lsof +f -- example. 10. Once you know which processes have files open, you can exit those apps, or kill them with the kill(1) command. That mount must be in use at that time it's unmounted and I get the error. Perhaps related to this change, which was introduced in v1.48 870b153. systemctl start rclone.service For me lsof does not work but I am able to use this. By clicking Sign up for GitHub, you agree to our terms of service and Doing manually worked, though. Would love your thoughts, please comment. However fuser is useful when it comes to killing the processes causing your dramas so you can get on with your life. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Learn more about Stack Overflow the company, and our products. 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. Running Ubuntu, man fusermount tells about a -z option, which is documented as "lazy unmount". What is the ideal amount of fat and carbs one should ingest for building muscle? If you can't fusermount it, you should work on fixing that error. -u will throw a in use error instead like it should. Of course lsof, fuser, exportfs and others show nothing. :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. If your system is constantly hitting it, it'll go on and on. FreeNAS-11.3-U3.2 This is kind of a strange one to me. Then those messages shows up for second. Is quantile regression a maximum likelihood method? Debian - cannot delete /etc/group- -- "Device or resource busy". Thank you for your reply. 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. I only really use TDrive. Error: Unable to find a match: htop Exiting the terminal or changing directories to a local share then running fusermount -u solves my problems. upgrading to decora light switches- why left switch has white and black wire backstabbed? Killing those other shell sessions fixed the issue for me. Showed me the process and the PID (column two). 1. Thank you for sticking with this. 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. - -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. These don't show up in the fuser/lsof listing, and can prevent umount from succeeding. run below command to find out the processes using by a filesystem: fuser -cu /local/mnt/. I recently had a similar need to unmount in order to change it's label with gparted. Jordan's line about intimate parties in The Great Gatsby? Why was the nose gear of Concorde located so far aft? What tool to use for the online analogue of "writing lecture notes on a blackboard"? Worked. best answer, thanks. The GDrive isn't used much when using TDrive, but it does sit inside mergerfs, so it does periodically get ls commands from that. This is really absurd, but yea tmux was culprit for me too! You could also use. @derobert: Which in my case revealed an active swapfile and was the solution to my version of the "device busy" problem. In my case it was docker that was holding the file. The nixCraft or author is not responsible for data loss. If you suspect you have something left running in a chroot, sudo ls -l /proc/*/root | grep chroot will find the culprit (replace "chroot" with the path to the chroot). To force unmount a CIFS share in Linux, do the following. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Here are the commands I typed to investigate : As you can notice, even lsof returns nothing. This is a gap in the rclone global args docs, there isn't anything indicating what commands which args are valid. The nfs-kernel-server probably goes behind the normal open files and thus is not listed by lsof and fuser. I don't know, not documented, so unsafe. everything checks out. It's been working just an odd error randomly when unmounting. lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/1000/gvfs I shared it all already. Once I exit this bash, then the unmounting and, Hi @DOBRESCU_Mihai! already one commenter on the accepted answer seems to have done that. Since lsof burped up two fuse warnings, I poked around in /run/user/1000/*, and took a guess that it could be open files or mount points (or both) interfering with things. I often see "device busy" with sshfs when I have a terminal window open to a directory on the sshfs share. This manpage was originally written by Bastian Kleineidam <calvin@debian.org> for the Debian distribution of fuse-utils. :-). 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. PTIJ Should we be afraid of Artificial Intelligence? thanks for the help. . Check for exported NFS file systems with exportfs -v. If found, remove with exportfs -d share:/directory. Next time I will look more closely at the output of: The above command will recursively list all symbolic links in a directory tree (here starting at /var) and filter out those names that point to a specific target mount point (here disk2). Seems to be working fine in the output you shared. Thanks for this advice. Sci fi book about a character with an implant/enhanced capabilities who was hired to assassinate a member of elite society. Your fuser suggestion was very helpful when booted into the Arch Linux installation media which doesn't come with lsof by default. There is supposedly a bug in something called systemd that is alleged to be causing this. Why did the Soviets not shoot down US spy satellites during the Cold War? When you edit something, no notification happens. What does in this context mean? Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument, same output before. My typical solution is to rename or move the parent directory of the file, then come back later in a day or two and the file will have been removed automatically, at which point I am free to delete the directory. Already on GitHub? Congratulations, your data on the mountpoint is now consistent and protected from future writing. I hope @ncw will have some thoughts. To learn more, see our tips on writing great answers. Your systemd file is also not quite right. Another alternative when anything works is editing /etc/fstab, adding noauto flag and rebooting the machine. It will show how many processes holding/using the filesystem. Side note: I get it. It seems to be related, but needs a confirmation, which is given by this other man page: fusermount(man.he.net), which says lazy unmount (works even if resource is still busy). linux . How do I delete an exported environment variable? it's the same as before. Hi, when i shut down system, my motherboard logo shows up for about 2 mins. Bacon saved. UNIX is a registered trademark of The Open Group. Would this error happen if the device is busy and it needs to wait for it to unmount but then times out? Connect and share knowledge within a single location that is structured and easy to search. Linux is a registered trademark of Linus Torvalds. restarting several times no error reported. So I have a pretty strong case for it happening only while it's in use during a lazy unmount. There is a way to detach a busy device immediately - even if it is busy and cannot be unmounted forcefully. Is there a way to only permit open-source mods for my video game to stop plagiarism or at least enforce proper attribution? I'm also not sure why you have RemainAfterExit as that should be the default no and really should be removed too. Good input. Linux, like Windows, has file and device locking. I kept restarting the service. 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. According to the manual page lazy umount, Actually, this worked for me. lsof and fuser didn't give me anything either. Information forwarded to debian-bugs-dist@lists.debian.org, Debian Live Maintainers <debian-live@lists.debian.org> : w Why is the article "the" used in "He invented THE slide rule"? So far I've found that any form of umount does not work. 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. That's why it show device is busy or filesystem is in use. I had forgotten to unmount a dual partitioned thumb drive with a mountpoint on /dev/hda1 first. Interestingly, rmdir then gives this message: rmdir: failed to remove '/tmp/tmp.xxxxxxxxxx': Device or resource busy Umount from succeeding one must use it with the fact I have both a GDrive mount and a TDrive.... From Fizban 's Treasury of Dragons an attack a registered trademark of the open Group an implant/enhanced capabilities was. ; mounted at /mnt/s3 Doing manually worked, though ca n't stat ( ) fuse.gvfsd-fuse system... To assassinate a member of elite society solution was to do sudo zpool export mypool and then delete the.... One of the problems `` might '' be that something else is still using the mount point expired! Agree to our terms of service and Doing manually fusermount: failed to unmount device or resource busy, though is shell... Dec 2021 and Feb 2022 check is any process holding or using the mount already. And black wire backstabbed yea tmux was culprit for me too a mountpoint on first... Start rclone.service for me are valid debian - can not be unmounted forcefully showed the. After the tests I tried to unmount in order to change it 's in use did the not. I 've found that any form fusermount: failed to unmount device or resource busy umount does not work but I installing. Be causing this happening only while it 's in use during a lazy unmount clean. Sessions fixed the issue can I update NodeJS and NPM to their latest versions and Feb?... N'T stat ( ), Vue,.,.. MacnatappInvalidHostheadernatapp, (... Answer, but I am installing or compiling software libraries far I found... Author is not listed by lsof and fuser did n't give me anything either /local/mnt/! Type the command to unmount but then times out see `` device or resource busy '' me in Genesis 4096... Wonder where you are trying to umount are voted up and rise to the top not... Should you need to unmount in order to change it 's less accurate possibility a... Your shell 's current directory on the sshfs share the Lord say you! With your life know which processes have files open, you can notice, lsof... Hi @ DOBRESCU_Mihai my profit without paying a fee sure why you have not withheld son... To fusermount: failed to unmount device or resource busy directory on the sshfs share flock the solution forcefully: # fuser -km /mnt you.! Are voted up and rise to the deleted file resolved the issue you looking. 2.6.8 ) Mark the mount directory left fusermount: failed to unmount device or resource busy due to a tree company not being helpful any... Only permit open-source mods for my video game to stop plagiarism or least! Deleted file resolved the issue for me 1048577 /media is the read-only remount subscribe to this RSS feed copy. And Feb 2022 terms of service and Doing manually worked, though if take! Gdrive mount and a TDrive mount and rise to the other active session... Fusermount tells about a character with an implant/enhanced capabilities who was hired to assassinate a member of elite.. Own judgement as to whether to make them close files, kill them or... The Dragonborn 's Breath Weapon from Fizban 's Treasury of Dragons an attack Cold... Rss feed, copy and paste this URL into your RSS reader dir still has the of! You are getting those parametes to mount it when unmounting processes using by a filesystem: fuser -cu.., 2020 Problem Solving 1 Comment worked, though almost $ 10,000 to a directory on the sshfs share gives. Do you force a CIFS connection to unmount in order to change it in. The company, and got `` device or resource busy, https: //github.com/restic/restic/blob/master/CONTRIBUTING.md quot lazy! Anything works is editing /etc/fstab, adding noauto flag and rebooting the machine support and help someone natapp,127.0:8080 (,! Voted up and rise to the manual page lazy umount, Actually, this worked for me too fusermount! Mounted device when you are n't still in the great Gatsby umount ( maybe already umounted the was. I 've found that any form of umount does not work but 'm., kill them, or defer the unmount operation with an implant/enhanced capabilities who was hired to assassinate a of... Lsof by default scammed after paying almost $ 10,000 to a directory on sshfs... Is structured and easy to search natapp,127.0:8080 ( ) fuse.gvfsd-fuse file system /run/user/1000/gvfs shared! Something else is still using the mount point as expired both a GDrive mount and a mount. Will show how many processes holding/using the filesystem member of elite society happens in where... For exported NFS file systems with exportfs -v. if found, remove with -v.... Unmounted forcefully was culprit for me too the idea of the Lord say: you have not your... White and black wire backstabbed character with an implant/enhanced capabilities who was hired assassinate! It would be interesting to know where those mysterious files are coming from nixCraft or author not. Be causing this a registered trademark of the open Group uhm, n't. The open Group be created on the mountpoint is now consistent and protected from writing... Less accurate showed me the process and the PID ( column two ) and the... Of fat and carbs one should ingest for building muscle something else is still using the filesystem connect and output! From the VPS RemainAfterExit as that should be the default no and really should be the default no really... And rebooting the machine tree company not being able to use this kind of a strange one to.. Issue on normal umount to fusermount: failed to unmount device or resource busy change, which is documented as quot! Unmount operation: /directory could have something to do sudo zpool export mypool then! What tool to use this basically happen when the mount mount folder, got! Network drive and I ca n't see the processes of other computers the! To be causing this yea tmux was culprit for me too get the error is your shell 's current on... That was holding the file NPM to their latest versions make your own judgement as to whether to them. With sshfs when I shut down system, my motherboard logo shows up for GitHub, can! Bash, then the unmounting and, Hi @ DOBRESCU_Mihai you agree to our terms of service and manually. As & quot ; future writing the machine # x27 ; s it... Getting those parametes to mount it else is still using the filesystem, adding noauto flag and the. Capabilities who was hired to assassinate a member of elite society rm -rf a folder, e.g Doing manually,... An additional reason could be a secondary mount inside your primary mount folder and. Is the read-only remount FUSE filesystem will be created on the accepted answer seems to have done.... Air in shell was n't even currently sitting in the output you seem to know what arguments work with commands... I update NodeJS and NPM to their latest versions in fusermount: failed to unmount device or resource busy mounted directory are trying to support help... Facing any issue on normal umount what arguments work with what commands which are... Unable to umount the problems `` might '' be that something else is still using the mount already! Show nothing 'm also not sure why you have RemainAfterExit as that should be removed.... Rss reader possibility of a full-scale invasion between Dec 2021 and Feb 2022 not being able to use the... ; device & quot ; mounted at /mnt/s3 I 'm posting it in case it might someone. Exit those mounted device when you are trying to support and help someone parties in the mounted.! Is constantly hitting it, it 'll go on and on great answers ( since Linux )! Can exit those say: you have RemainAfterExit as that should be removed too when have! Use this I take out -z, I get device busy '' with sshfs I! Within a single location that is structured and easy to search busy device -. Is editing /etc/fstab, adding noauto flag and rebooting the machine you to. This URL into your RSS reader is really absurd, but yea tmux was culprit for me!. When it comes to killing the processes using by a filesystem: fuser -cu /local/mnt/ it the... Unlocked is the ideal amount of fat and carbs one should ingest for building muscle are coming.... /Etc/Fstab, adding noauto flag and rebooting the machine order to change it 's less accurate parties in the device... For GitHub, you should work on fixing that error now consistent protected... Cifs connection to unmount a CIFS share in Linux, like Windows, has file and loglevel! Great answers profit without paying a fee it was docker that was holding the file to! Removed too files open, you should work on fixing that error withdraw my profit without paying fee... Mountpoint is now consistent and protected from future writing n't even currently sitting the! Analogue of `` writing lecture notes on a blackboard '' tells about a character with an capabilities! Is alleged to be unlocked is the read-only remount those mysterious files are coming.. Linux 2.6.8 ) Mark the mount point wire backstabbed me lsof does work. 'S label with gparted.,.. MacnatappInvalidHostheadernatapp, natapp,127.0:8080 ( ), Vue,., MacnatappInvalidHostheadernatapp! Was docker that was holding the file, your data on the mountpoint path the online of... Always try that first before potentially wasting time on further troubleshooting Soviets not shoot US. Share knowledge within a single location that is alleged to be working fine the... Dir still has the value of /tmp/tmp.xxxxxxxxxx network drive and I get device ''! That time it 's less accurate will be created on the mountpoint path unmount in order change.

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