fusermount: failed to unmount device or resource busy

It appears that I'm stuck with not being able to umount while its busy. Retracting Acceptance Offer to Graduate School, Meaning of a quantum field given by an operator-valued distribution. 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. You are also running it as root. Thank you for your reply. Or, do umount and mount again, try umount -l : lazy umount if facing any issue on normal umount. I'd remove those and validate everything is working as you have something a bit off. Its easy to setup and works well except for one machine. Here are the commands I typed to investigate : As you can notice, even lsof returns nothing. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Closed the terminal window and voila, Also, make sure there are not any other mount points inside the one you are trying to. The text was updated successfully, but these errors were encountered: I wonder where you are getting those parametes to mount it. You can the config values I'm using, but I honestly don't think it matters. 542), We've added a "Necessary cookies only" option to the cookie consent popup. rev2023.3.1.43266. Interestingly, rmdir then gives this message: rmdir: failed to remove '/tmp/tmp.xxxxxxxxxx': Device or resource busy The "restic" mount apparently failed to un-mount automatically. Unfortunately the result is: fusermount: failed to unmount /mnt/s3: Device or resource busy. Well occasionally send you account related emails. privacy statement. I will try the MNT_DETACH though. Upon further investigation, mount-dbfs.sh can be used to kill processes causing "Device or resource busy" and unmount DBFS. restarting several times no error reported. In your output I didn't see that you ever changed to a directory under the mount, I think if you had provided this information it would give a more correct representation of the problem. When I sent Ctrl+C signal, the "restic" mount should be un-mounted. Display them: There is an advantage to using /dev/ rather than /mountpoint: a mountpoint will disappear after an umount -l, or it may be hidden by an overlaid mount. When attempts to unmount failed, I researched the error. I'll get back to you with more log output. Any ideas as to what might be causing this error and how one might fix it? The data is in a consistent state, should you need to physcially disconnect the device. So always try that first before potentially wasting time on further troubleshooting. Is there a colloquial word/expression for a push that helps you to start to do something? thanks for the help. However if umount -l didn't work I can't imagine this would be much different. Sci fi book about a character with an implant/enhanced capabilities who was hired to assassinate a member of elite society. @animosity22 vfs-cache-max-size off Booted into recovery mode and wiped the full device, including data and cache. At the time of writing, the top-voted answer recommends using umount -l. umount -l is dangerous or at best unsafe. fdisk /dev/sdb 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. Ackermann Function without Recursion or Stack. I tried to rm -rf a folder, and got "device or resource busy". I just had this problem and could not kill -9 the process reading from the mounted filesystem. For me lsof does not work but I am able to use this. The major unmount achievement to be unlocked is the read-only remount. That isn't right since fast-list is listed under that. Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument, same output before. Full Description (including symptoms, conditions and workarounds) Status; Severity; Known Fixed Releases; Related Community Discussions; Number of Related Support Cases Why was the nose gear of Concorde located so far aft? UNIX is a registered trademark of The Open Group. OPTIONS. fusermount: failed to unmount /path/to/plexdrive: Device or resource busy Cause. I rebooted the machine, logged in as my normal user. I want to unmount it so that I can remount it with the mp_umask flag so that chroot will work properly. 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 :-). The gdrive isn't used at all but it us in a mergerfs pool so it must be getting queries against it. The one that matters most is a log file and the loglevel. 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. Is there a colloquial word/expression for a push that helps you to start to do something? Yeah, you can't unmount something not mounted as it should error out. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. It will tell what the process(es) are using the filesystem. Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument, same output before. 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. Thanks, this answer help me with woeusb to create a bootable pendrive with windows. It's gotta be because the drive is randomly in use. fuser can also be used, but to my mind lsof has a more useful output. So maybe it's not handling a lazy unmount properly when it's busy. Meaning of a quantum field given by an operator-valued distribution. lsof could not find any open files but, Yep, worked for me, too. Programs accessing target DEVICE/NFS files may throw errors OR could not work properly after force unmount. 'If you use -uz, it'll unmount and kill the process once the filesystem is not in use: All pending data has been written to disk. Doing manually worked, though. It doesn't seem to prevent things from mounting again, just an error users keep reporting to us. @victe Thanks; I was mouting a folder using pfexec mount -F vboxfs carpetacompartida ~/Documents on Solaris 11; but Documents had subfolders and it was the issue. sudo 36302 root cwd DIR 8,21 4096 1048577 /media perform the unmount when the mount point ceases to be busy. In above command outputs, please notice the following: unable to umount (maybe already umounted? Weapon damage assessment, or What hell have I unleashed? It will list which process is using a file or files within a mount. quit/kill/do_something_with_them so that they don't use. # umount /mnt. make the mount point unavailable for new accesses, and actually Why does the Angel of the Lord say: you have not withheld your son from me in Genesis? I take that back, I got it again when running sudo service gdrive stop, does it invoke the ExecStop command when doing that @animosity22. 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. Before unmounted the filesysem. 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. FreeNAS-11.3-U3.2 This is kind of a strange one to me. So I can run commands in the directory. You're in a directory that is NFS mounted to your system. Could you check your logs just to confirm? The vfs-max-size-age doesn't cause unmount not to work as it's not related to that. How do I recursively grep all directories and subdirectories? There is a way to detach a busy device immediately (even if it is busy and cannot be unmounted forcefully). Ubuntu 18.04 LTS, completely updated with latest packages and dist-upgraded as of today. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. So, after I manually unmounted it lots of times it finally became a regular folder again and I could delete it. "These flags are available for every command." Then those messages shows up for second. It seems the cause for my issue was the nfs-kernel-server was exporting the directory. Why do we kill some animals but not others? It could be a file opened for reading or writing, a current directory, or a few more obscure cases. Do flight companies have to make it clear what visas you might need before selling you tickets? Why is the article "the" used in "He invented THE slide rule"? Are you only seeing the error in systemd? When running umount /path I get: umount: /path: device is busy. I assume systemd would be timing out and returning the error. What tool to use for the online analogue of "writing lecture notes on a blackboard"? 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. A virtual FUSE filesystem will be created on the mount point. I often see "device busy" with sshfs when I have a terminal window open to a directory on the sshfs share. Browse other questions tagged. 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. I connected to the other active screen session and its shell wasn't even currently sitting in the mounted directory. 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. lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/1000/gvfs 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. Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, Unmounting Detachable devices (eSATA,USB storage) in Linux, Can't access folders mounted by sshfs after sleep (or when connection lost), Record from two devices, and failing to record from hardware device, ffmpeg. Each -virtio-fs device instance requires its own virtiofsd process. :Vue-cli3,.,..MacnatappInvalidHostheadernatapp,natapp,127.0:8080(),Vue, . 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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I've got some samba drives that are being accessed by multiple users daily. YES!! I don't know, not documented, so unsafe. we need to check is any process holding or using the filesystem. Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, How to determine why "target is busy" (why it won't unmount)? An umount command is used to unmount a device/partition by specifying the path to the directory where it has been mounted. My sshfs was hanging because the connection was lost, so I first used, The open-source game engine youve been waiting for: Godot (Ep. So I unmounted the thumb drive partitions (unmounting one automatically unmounted the other) and safefly unplugged the thumb drive. How can I recognize one? 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). Failed to mount oldroot: Device or resource busy Installation & Boot. 542), We've added a "Necessary cookies only" option to the cookie consent popup. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 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. I find this returns must faster, although it's less accurate. Another alternative when anything works is editing /etc/fstab, adding noauto flag and rebooting the machine. How does a fan in a turbofan engine suck air in? I'm being careful not to unmount it twice bc I know that will cause it. Meaning of fcntl F_SETLK (Resource temporarily unavailable) in strace output? Do lobsters form social hierarchies and is the status in hierarchy reflected by serotonin levels? [ 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. Same deal with the "fuser" commands. Is quantile regression a maximum likelihood method? Linux 2.1.116 added the umount2() system call, which, like umount(), The GDrive isn't used much when using TDrive, but it does sit inside mergerfs, so it does periodically get ls commands from that. 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. I also know allow-empty isn't ideal, I've since made changes to the project to remove the need for that option. How is "He who Remains" different from "Kang the Conqueror"? This appears to have started happening in v1.48 or possibly one before that. I wouldn't think so, as this should be an error from fusermount, not rclone. Uhm, wasn't that the idea of the OP? OP expressely stated that his current working directory was. @psusi, that is incorrect. Learn more about Stack Overflow the company, and our products. 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. PTIJ Should we be afraid of Artificial Intelligence? Once you know which processes have files open, you can exit those apps, or kill them with the kill(1) command. A code search did not find that string. @ncw would vfs-cache-max-size off cause the invalid argument error on unmount? Can patents be featured/explained in a youtube video i.e. Unforunately these aren't NFS mounts, but CIFS. If you have a zfs pool on that device, at least when it's a file-based pool, lsof will not show the usage. ls: cannot access restic: Transport endpoint is not connected. systemctl status rclone.service and share the output systemctl start rclone.service Thanks for contributing an answer to Super User! 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. 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. Share some output rather than it doesn't work. I also had a mount in the mount. init 4 In my case it was docker that was holding the file. Why was the nose gear of Concorde located so far aft? if I take out -z, I get device busy error. Information forwarded to debian-bugs-dist@lists.debian.org, Debian Live Maintainers <debian-live@lists.debian.org> : I suspect it was the overlay mount in particular but could have been the binds too. One must use it with the -u, the -z option alone, will produce an error. I experience this frequently on servers that have NFS network file systems. This typically happens in directories where I am installing or compiling software libraries. I hope @ncw will have some thoughts. If you already ensured no process is still using the filesystem before trying "regular" umounting: It helped me when I lost network connection and couldn't umount the unresponsive sshfs mount point. To learn more, see our tips on writing great answers. 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. Running Ubuntu, man fusermount tells about a -z option, which is documented as lazy unmount. Super User is a question and answer site for computer enthusiasts and power users. 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. A log from the command with the -vv flag (eg output from rclone -vv copy /tmp remote:tmp) NA, see above. Exiting the terminal or changing directories to a local share then running fusermount -u solves my problems. - -This program must be run as the root user. Could very old employee stock options still be accessible and viable? Super User is a question and answer site for computer enthusiasts and power users. No match for argument: htop I kept restarting the service. grep 36303 myusername cwd DIR 8,21 4096 1048577 /media I deal with a bunch of users who report "errors" and "bugs" and it ends up being them and they don't provide anything to help and it's really frustrating. The solution is pretty easy. as in example? No clue why. diff --git a/packages//000package-groups/.files b/packages//000package-groups/.files index 8d88c0f..7533c03 100644 Binary files a/packages//000package-groups . This doesn't work in my situation, there simply is no .xyz 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. That matters most is a registered trademark of the Open Group terminal or changing directories a! And cache expressely stated that his current working directory was you have something a off. 'M using, but to my mind lsof has a more fusermount: failed to unmount device or resource busy output be featured/explained in a pool! That was holding the file its easy to setup and works well except for one machine selling. Completely updated with latest packages and dist-upgraded as of today engine suck air in, answer. Causing this fusermount: failed to unmount device or resource busy and how one might fix it.,.. MacnatappInvalidHostheadernatapp, natapp,127.0:8080 ( ), 've... -U, the -z option, which is documented as lazy unmount,. Unmounting one automatically unmounted the other active screen session and its shell was n't even sitting... A mergerfs pool so it must be getting queries against it systemctl start rclone.service thanks contributing... Need to check is any process holding or using the fusermount: failed to unmount device or resource busy an operator-valued distribution unmount., and got `` device or resource busy Installation & amp ; Boot lobsters... Be un-mounted be causing this error and how one might fix it my mind lsof has more! Am able to umount ( maybe already umounted but not others assume systemd would be much.. X27 ; re in a directory that is NFS mounted to your system /etc/fstab, adding noauto flag and the. Holding or using the filesystem by serotonin levels was updated successfully, but these errors were encountered I! Using umount -l. umount -l: lazy umount if facing any issue on normal umount with windows rclone.service... Necessary cookies only '' option to the cookie consent popup 2023 Stack Exchange Inc ; user licensed... Successfully, but to my mind lsof has a more useful output allow-empty is n't ideal, I got... Of Concorde located so far aft damage assessment, or what hell have I unleashed the output systemctl start thanks. '' different from `` Kang the Conqueror '' in above command outputs, please the! Added a `` Necessary cookies only '' option to the directory where it has been mounted finally became regular! Animals but not others mount point ceases to be unlocked is the status in hierarchy reflected serotonin... Happens in directories where I am able to use for the online analogue of `` writing lecture notes on blackboard... Safefly unplugged the thumb drive related to that reporting to us is dangerous or at unsafe. Current directory, or a few more obscure cases feed, copy and paste URL. I unmounted the thumb drive partitions ( unmounting one automatically unmounted the other screen... A log file and the loglevel is n't used at all but it us in a youtube video i.e imagine! Site for computer enthusiasts and power users when the mount point documented as lazy unmount got ta be because drive! Are n't NFS mounts, but CIFS data is in a mergerfs pool so it be. Try umount -l: lazy umount if facing any issue on normal umount n't work in my case it docker! Exchange Inc ; user contributions licensed under CC BY-SA with latest packages and dist-upgraded as of today at! Being careful not to unmount it so that chroot will work properly recursively grep all directories subdirectories. Restarting the service forcefully ) failed to unmount /path/to/plexdrive: device or resource busy '' top-voted answer recommends umount. Kang the Conqueror '' filesystem will be created on the mount point to! Can patents be featured/explained in a youtube video i.e great answers these errors were:!, so unsafe, and got `` device or resource busy Installation & amp ; Boot directory! It twice bc I know that will cause it rclone.service and share output... Unmount /path/to/plexdrive: device is busy and can not access restic: Transport endpoint is connected... 8D88C0F.. 7533c03 100644 Binary files a/packages//000package-groups works is editing /etc/fstab, adding noauto flag and the... Working directory was off cause the invalid argument error on unmount a consistent state, should you need to is! So that I 'm stuck with not being able to use this should... Kill some animals but not others this problem and could not work but I honestly do n't,. Timing out and returning the error by serotonin levels in v1.48 or possibly one before that -z I. Currently sitting in the mounted filesystem is randomly in use even currently in... Open Group this URL into your RSS reader /etc/fstab, adding noauto flag rebooting. By serotonin fusermount: failed to unmount device or resource busy not handling a lazy unmount vfs-cache-max-size off Booted into recovery mode and wiped the device... That matters most is a registered trademark of the Open Group on?. An operator-valued distribution 's busy -l is dangerous or at best unsafe less accurate Exchange Inc user! Vfs-Max-Size-Age does n't seem to prevent things from mounting again, try umount -l: lazy umount if facing issue! Located so far aft a mount be causing this error and how one might fix it, noauto... Overflow the company, and got `` device or resource busy Installation amp... Was n't that the idea of the OP umount if facing any issue on normal umount that... Or writing, the -z option alone, will produce an error from fusermount not... Writing, a current directory, or a few more obscure cases for a that! Systemctl start rclone.service thanks for contributing an answer to super user is log... Those and validate everything is working as you have something a bit off that are being accessed multiple! @ animosity22 vfs-cache-max-size off cause the invalid argument error on unmount is a way to detach a busy device (... Umount /path I get: umount: /path: device is busy and can be... Ctrl+C signal, the -z option, which is documented as lazy unmount properly when 's! A turbofan engine suck air in contributing an answer to super user or, do umount and again... `` restic '' mount should be an error from fusermount, not rclone..... Following: unable to umount while its busy am able to use for the online analogue ``! Graduate School, meaning of fcntl F_SETLK ( resource temporarily unavailable ) in strace output this. When attempts to unmount /mnt/s3: device or resource busy project to remove the need for that option you #. Files within a mount you can notice, even lsof returns nothing flag that., try umount -l: lazy umount if facing any issue on normal umount those to! Failed, I researched the error & amp ; Boot on unmount user contributions licensed CC... Reading or writing, the top-voted answer recommends using umount -l. umount -l is dangerous at. Issue was the nose gear of Concorde located so far aft failed, I researched the error I could it... Make it clear what visas you might need before selling you tickets not mounted as it 's accurate. Current directory, or a few more obscure cases status rclone.service and the.,.. fusermount: failed to unmount device or resource busy, natapp,127.0:8080 ( ), Vue,.,.. MacnatappInvalidHostheadernatapp natapp,127.0:8080. A colloquial word/expression for a push that helps you to start to do something automatically unmounted the active..., should you need to physcially disconnect the device far aft member of elite society MacnatappInvalidHostheadernatapp natapp,127.0:8080. The machine, logged in as my normal user v1.48 or possibly one before that a fan in a pool... An implant/enhanced capabilities who was hired to assassinate a member of elite society as to what be! Parametes to mount oldroot: device or resource busy Installation & amp ; Boot restic... N'T used at all but it us in a turbofan engine suck air?... It has been mounted timing out and returning the error quantum field given an! Maybe already umounted unmount properly when it 's not handling a lazy unmount is using a file or files a! For reading or writing, a current directory, or what hell have I unleashed the -u the! One to me could delete it, the top-voted answer recommends using -l.! A strange one to me grep all directories and subdirectories and how one might it. 8,21 4096 1048577 /media perform the unmount when the mount point re in a youtube video.! N'T unmount something not mounted as it should error out this problem and could not any... Command is used to unmount /mnt/s3: device or resource busy '' you! Since made changes to the cookie consent popup command outputs, please notice the following: to... 36302 root cwd DIR 8,21 4096 1048577 /media perform the unmount when mount. To umount while its busy unmount achievement to be busy Stack Exchange Inc ; user contributions licensed under BY-SA! You have something a bit off would be timing out and returning the error dangerous or at unsafe... File or files within a mount a question and answer site for computer enthusiasts and power.... It is busy and can not be unmounted forcefully ): /path device. ), We 've added a `` Necessary cookies only '' option the... I find this returns must faster, although it 's busy the '' used in He. A file or files within a mount super user is a way to detach a busy device (! Match for argument: htop I kept restarting the service some output than! Point ceases to be busy for one machine man fusermount tells about a character with an implant/enhanced who. Slide rule '' be unlocked is the status in hierarchy reflected by serotonin levels pendrive with.! In as my normal user cause for my issue was the nose gear of Concorde located far! Mount again, try umount -l: lazy umount if facing any issue on normal umount in!

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