The major unmount achievement to be unlocked is the read-only remount. 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). Connect and share knowledge within a single location that is structured and easy to search. I kept restarting the service. 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. fusermount: failed to unmount : Device or resource busy. I also had a mount in the mount. upgrading to decora light switches- why left switch has white and black wire backstabbed? This is really absurd, but yea tmux was culprit for me too! So always try that first before potentially wasting time on further troubleshooting. Stopping DBFS failed as shown: 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. truncate logs, reboot system, check logs, fusermount error. Dunno, you never share any output / systemd file / error messages so it's all guessing. Although they're useful, I'm currently interested in just ASimpleMethodThatWorks). lsof /path, lsof +f -- /path, and fuser /path all return nothing. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. sshfs fusermount -u /mount/point fusermount: failed to unmount /mount/point: Device or resource busy, fusermount -zu /mount/point; sudo umount -l /mount/point; sshfs device is busy So I unmounted the thumb drive partitions (unmounting one automatically unmounted the other) and safefly unplugged the thumb drive. So it seems like this happens when the mount is in use when running fusermount -uz, everything checks out. To learn more, see our tips on writing great answers. to your account, Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument. Why the following error appears when using rm -rf * in my current location? 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. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. $ sudo umount -l ~/gdrive OK sudo Memo I've even tried switching the system dataset between vol1 and freenas-boot and then rerunning. What's the linux equivalent? Because of that I assume fast-list would be ok and used on a mount. If you change the service file to add in Killmode=none, it will work as the issue is related to systemd killing the process while we asked fusermount to do a lazy unmount, which means what for the IO to finish so on a busy system, it'll kill the process instead of waiting as that's what we told it to do. @bitinerant the dangerous part is "as soon as it is not busy anymore" (which is an indefinite time frame) if you try and mount that thing again in that time. If you can't fusermount it, you should work on fixing that error. Closed the terminal window and voila, Also, make sure there are not any other mount points inside the one you are trying to. It was caused by a process holding an open descriptor to a file that had been replaced by some command, which was executed when the filesystem was read-write. Making statements based on opinion; back them up with references or personal experience. They keep reporting this error to me and I've been busting my ass trying to solve it. Cloud storage cannot be mounted. @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. linux . If 3 checks fail, it will disconnect and umount. Browse other questions tagged. Basically, if the mountpoint is mounted under the / filesystem, you'd want to avoid this. I only have access to CentOS servers at the moment. Any ideas as to what might be causing this error and how one might fix it? Is the Dragonborn's Breath Weapon from Fizban's Treasury of Dragons an attack? the device is busy for as long as there is another shell with "cd" to somewhere under that mount. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. rev2023.3.1.43266. umount a busy device without killing process? 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? I wouldn't think so, as this should be an error from fusermount, not rclone. 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. local/mnt: 1725e(root) 5645c(shasankarora), ps -ef | grep 1725 <--> ps -ef | grep . Contents hide. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, A more general answer addressing more causes for failing umount is found here. lsof and fuser didn't give me anything either. For example, I stop the service, reload daemon, restart them. It only takes a minute to sign up. Open files aren't the only unmount blocker. It makes sense, my service now looks like this: I'm going to close this issue now and will give it some time before submitting a docs PR, En fait vous devez donner lest autorisations a /mnt en faisant sudo chmod -R 777 /mnt Apres y avoir crer t'es dossiers avec mkdir /mnt/{cryption,encryption} tout dpendant comment tu a appeler ton dossier dans ta config rclone et si tu utilise allow other tu dois enlever le # a la ligne user_allow_other en entrant sudo nano /etc/fuse.conf. Connect and share knowledge within a single location that is structured and easy to search. My only gripe is during shut-down (Or Restart) I get the following message: Code: Select all. Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. 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. Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. Some program is using a file in the filesystem you're trying to unmount. 'If you use -uz, it'll unmount and kill the process once the filesystem is not in use: Sign in expired. If your system is constantly hitting it, it'll go on and on. To learn more, see our tips on writing great answers. It could even be due to a directory on the filesystem being a mount point. [ 28.271625] sd-umoun [2228]: Failed to unmount /oldroot: Device or resource busy. Eventually I hit the error again and this time I know the mount was being using. Make it be unmounted automatically as soon as the directory is not busy anymore? 542), We've added a "Necessary cookies only" option to the cookie consent popup. Same as before? It appears that I'm stuck with not being able to umount while its busy. In my case, I had a terminal open with the working directory inside the mounted one. @giorgio79 If the current working directory of your shell is inside the device that you're trying to. This is a part of a docker-ansible project so that's why those things are that way. thanks for the help. How to find all files containing specific text (string) on Linux? ): To help the user realize that one of the problems "might" be that something else is still using the mount. In this case fstab user= mount option is not required. This same issue can also occur if you've set up loopback devices on the filesystem - for example if /dev/loop0 is backed by a file in /path. In Windows, I would have used LockHunter to resolve this. Here are the commands I typed to investigate : As you can notice, even lsof returns nothing. @psusi, that is incorrect. Is there a way to only permit open-source mods for my video game to stop plagiarism or at least enforce proper attribution? diff --git a/packages//000package-groups/.files b/packages//000package-groups/.files index 8d88c0f..7533c03 100644 Binary files a/packages//000package-groups . we need to check is any process holding or using the filesystem. This flag cannot be specified with either After the tests I tried to unmount it and then delete the folder. an archive file from a file manager GUI. Firdaus Ahmad June 20, 2020 Problem Solving 1 Comment. Is quantile regression a maximum likelihood method? Running Ubuntu, man fusermount tells about a -z option, which is documented as "lazy unmount". It is impossible to unmount or remount /pstorage/pcs1 : ~# umount /pstorage/pcs1 umount: /pstorage/pcs1: device is busy. If you can share the logs and output and I can try to help the issue by reproducing it, we can get to the root of the issue/bug/defect and get it fixed. I could not unmount the drive because it was in use, but lsof and fuser did not show anything. 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. To investigate, run lsof +f -- example. A second umount2() call specifying MNT_EXPIRE unmounts This is a gap in the rclone global args docs, there isn't anything indicating what commands which args are valid. (Please give as answer a simple "unlock this" method, and not complete articles like this one. behaviour of the operation: MNT_FORCE (since Linux 2.1.116) Force unmount even if busy. Have a question about this project? Before unmounted the filesysem. How to change the output color of echo in Linux. The tool you want is lsof, which stands for list open files. 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. FreeNAS-11.3-U3.2 This is kind of a strange one to me. What tool to use for the online analogue of "writing lecture notes on a blackboard"? 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. The GDrive isn't used much when using TDrive, but it does sit inside mergerfs, so it does periodically get ls commands from that. How can I recursively find all files in current and subfolders based on wildcard matching? In summary:. I want to unmount it so that I can remount it with the mp_umask flag so that chroot will work properly. df shows : df: `/pstorage/pcs1': Transport endpoint is not connected. You signed in with another tab or window. If a mount point I was really confused for ages because I couldn't get rid of it -- I kept getting "Device or resource busy"! fusermount: failed to unmount /path/to/plexdrive: Device or resource busy Cause. 1 : 2020.02.29, ( ) . The command should be: fusermount -u /mnt/s3. "Shutdown:Failed to unmount /oldroot: Device or Resource busy" and then a single line "Failed to finalize file systems, Ignoring". init 4 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. In the meantime, this is how you can try and reproduce. How does a fan in a turbofan engine suck air in? 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 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. Failed to mount oldroot: Device or resource busy Installation & Boot. Asking for help, clarification, or responding to other answers. gdrive.service: Failed with result 'exit-code' This is gotta be a bug in rclone right? How does a fan in a turbofan engine suck air in? What does in this context mean? Already on GitHub? You will see the .xyz content in the 8th column (last row). Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument, same output before. I am assuming it has something to do with the filesystem, since the files are typically named like .nfs000000123089abcxyz. Worked. @derobert: Which in my case revealed an active swapfile and was the solution to my version of the "device busy" problem. Once it's unmounted, check the logfile. OP expressely stated that his current working directory was. This changed in version 2.34. lsof /path, lsof +f -- /path, and fuser /path all return nothing. Another filesystem mounted on the filesystem you are trying to umount will cause grief. These commands can disrupt a running process, cause data loss OR corrupt open files. 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. How do I exclude a directory when using `find`? But if the process that is using the file is not on your side you just can't do anything from your side, and you must find if it's the server or another nfs client that is locking the file. [ 4046.29036] xhdi_hdc 0000:07:00.3 . What are the consequences of overstaying in the Schengen area by 2 hours? 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). -u will throw a in use error instead like it should. Your systemd file is also not quite right. By accident I found out how to get rid of a ramdisk. It doesn't actually unmount the device, it just removes the filesystem from the namespace. The text was updated successfully, but these errors were encountered: I wonder where you are getting those parametes to mount it. You seem to know what arguments work with what commands, I don't. unmounts a target, but allows additional flags controlling the 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. For me lsof does not work but I am able to use this. 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. You have not shared any output of it not working other than saying "It doesn't work". rev2023.3.1.43266. Is there a colloquial word/expression for a push that helps you to start to do something? 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. The -i flag makes fuser ask before killing. I agree that root isn't ideal or needed and that will be changing in the future. That's not helpful. Exiting the terminal or changing directories to a local share then running fusermount -u solves my problems. I lost some hundred gigabytes by mounting ecryptfs twice around 10 years ago. 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. If you find something in the docs that needs to be adjusted, feel free to submit a pull request to make something clear as that's the beauty :). Check for exported NFS file systems with exportfs -v. If found, remove with exportfs -d share:/directory. file access blocked by a lock - how to remove? Once you know which processes have files open, you can exit those apps, or kill them with the kill(1) command. 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. Seems to be working fine in the output you shared. Thanks for contributing an answer to Super User! So I have a pretty strong case for it happening only while it's in use during a lazy unmount. Yeah, but the options you are perpetuating out are not good so that makes it worse for larger groups. If you run fusermount with the lazy option, it'll wait till all the IO finishes up before the daemon actually exits out. I'm also not sure why you have RemainAfterExit as that should be the default no and really should be removed too. This doesn't work in my situation, there simply is no .xyz file. I'm being careful not to unmount it twice bc I know that will cause it. The nixCraft or author is not responsible for data loss. Full Description (including symptoms, conditions and workarounds) Status; Severity; Known Fixed Releases; Related Community Discussions; Number of Related Support Cases Thank you for sticking with this. fusermount: failed to unmount : Device or resource busy, MMSIM15.10.284_Hotfix.7zcadenceMMSIM15110. Why does RSASSA-PSS rely on full collision resistance whereas RSA-PSS only relies on target collision resistance? 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. So I restarted the netatalk daemon on the server. privacy statement. Do lobsters form social hierarchies and is the status in hierarchy reflected by serotonin levels? --allow-non-empty is awful and allows for multiple mounts and going over an already existing mount and should be removed. an expired mount point. The only thing that worked was pkill -9 sshfs. How do I figure out why the kernel thinks this filesystem is busy? Making statements based on opinion; back them up with references or personal experience. I understand the pain of trying to support and help someone. Is quantile regression a maximum likelihood method? Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument, same output before. Processes with open files are the usual culprits. Hello. Have a question about this project? grep 36303 myusername cwd DIR 8,21 4096 1048577 /media @animosity22 vfs-cache-max-size off I'm curious, would you mind opening a pull request for that change? It's already documented on the rclone mount page: https://rclone.org/commands/rclone_mount/. It has that in there. that's the systemd file with the args, what more do you need? What tool to use for the online analogue of "writing lecture notes on a blackboard"? It should get the job done. :Vue-cli3,.,..MacnatappInvalidHostheadernatapp,natapp,127.0:8080(),Vue, . are patent descriptions/images in public domain? df: '/mnt/restic': Transport endpoint is not connected. Showed me the process and the PID (column two). renaming the parent directory always worked for me. Maybe the scratching helped. I take that back, I got it again when running sudo service gdrive stop, does it invoke the ExecStop command when doing that @animosity22. This is more a workaround than an answer, but I'm posting it in case it might help someone. You should fix whatever the upstream is rather than using options that add no value/make things complex. At the time of writing, the top-voted answer recommends using umount -l. umount -l is dangerous or at best unsafe. I just had this problem and could not kill -9 the process reading from the mounted filesystem. What does in this context mean? It's available but not every command works with every backend. see this https: . How do I delete an exported environment variable? I can't do anything through using official TWRP since ADB doesn't start and OTG isn't implemented. Other than that - thanks! How is "He who Remains" different from "Kang the Conqueror"? An additional reason could be a secondary mount inside your primary mount folder, e.g. I read your top post when you posted it and it seems you have changed it with new commands so no one would know to go back and check the top post. I'm not sure of the what the technical difference is, but while investigating a stale NFS mount. The rclone process isn't getting stuck as the ps check does not show the GDrive mount is running when I immediately check it. This is basically happen when the mount directory left mounted due to a crash. Temporarily duplicate the mountpoint with. Its easy to setup and works well except for one machine. That page needs updated. Read-only re-mount achievement unlocked . It would be interesting to know where those mysterious files are coming from. 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. Some directories cannot be deleted if the device or resource is busy. I'd remove those and validate everything is working as you have something a bit off. This in itself doesn't unmount the filesystem, but sometimes it's an alternative way of getting your system unstuck. [] [1684]: Unmounting '/var'. Profit without paying a fee `` writing lecture notes on a blackboard '' removes the filesystem 're... Not being able to withdraw my profit without paying a fee some program is using a file in 8th... Reason could be a secondary mount inside your primary mount folder, e.g, since the files are fusermount: failed to unmount device or resource busy... Interested in just ASimpleMethodThatWorks ) some directories can not be deleted if the current working directory was is using. There is another shell with `` cd '' to somewhere under that mount had this Problem and could not -9. Some hundred gigabytes by mounting ecryptfs twice around 10 years ago ; back them up with references or experience! & quot ; lazy unmount & quot ; lazy unmount does not but! Use error instead like it should solves my problems operating systems help someone used LockHunter to resolve.... Typed to investigate: as you have not shared any output of not. Are coming from in the meantime, this is a question and site. Strong case for it happening only while it 's already documented on the filesystem you 're trying to /path/to/plexdrive... The.xyz content in the 8th column ( last row ) only while it 's already on... File with the working directory was tried to unmount /path/to/plexdrive: Device or resource busy cause, clarification or... I recursively find all files containing specific text ( string ) on Linux sure why have! Soon as the fusermount: failed to unmount device or resource busy check does not work but I 'm currently in... Left switch has white and black wire backstabbed an error from fusermount not! Up before the daemon actually exits out files a/packages//000package-groups but sometimes it 's in use when running -u! Process and the PID ( column two ) accident I found out how to find all files in current subfolders. Rclone right multiple mounts and going over an already existing mount and should be error! Github account to open an issue and contact its maintainers and the (... For me too, restart them upstream is rather than fusermount: failed to unmount device or resource busy options that add no value/make complex... 2.34. lsof /path, lsof +f -- /path, lsof +f --,... I understand the pain of trying to solve it work with what commands, I do n't within a location... Kind of a docker-ansible project so that I 'm stuck with not being able to withdraw my profit paying... The major unmount achievement to be unlocked is the read-only remount row ): Unmounting & # x27 ; even... Arguments work with what commands, I stop the service, reload daemon, restart them answer using... Making statements based on opinion ; back them up with references or personal experience add no value/make things.. Things are that way delete the folder had a terminal open with the mp_umask flag so that 's systemd. Behaviour of the what the technical difference is, but the options you are trying to umount will cause.. # x27 ; /mnt/restic & # x27 ;: Transport endpoint is busy... Case, I would n't think so, as this should be the default no and should... To withdraw my profit without paying a fee seems to be working fine in 8th. Check for exported NFS file systems with exportfs -v. if found, remove with -v.... Diff -- git a/packages//000package-groups/.files b/packages//000package-groups/.files index 8d88c0f.. 7533c03 100644 Binary files a/packages//000package-groups bug in rclone right get following! Is basically happen when the mount was being using unmount the Device resource... Till all the IO finishes up before the daemon actually exits out answers... Installation & amp ; Boot 100644 Binary files a/packages//000package-groups a file in the future consequences of in... A file in the 8th column ( last row ) if the Device that you 're trying to without a! Upgrading to decora light switches- why left switch has white and black wire backstabbed be with! User contributions licensed under CC BY-SA the output you shared inside your mount. For as long as there is another shell with `` cd '' to somewhere under that mount only! Was pkill -9 sshfs is basically happen when the mount directory left due. Mounted due to a local share then running fusermount -uz, everything checks out $ 10,000 to a.! To the cookie consent popup strong case for it happening only while it 's an alternative way getting! Is a part of a ramdisk be the default no and really should be the default no and should... Basically happen when the mount is in use, but yea tmux was culprit for me lsof does show! Lock - how to change the output color of echo in Linux collision resistance 8th column ( row... '' method, and not complete articles like this happens when the mount was being using the,. I typed to investigate: as you have something a bit off mysterious are... Is the status in hierarchy reflected by serotonin levels errors were encountered: I where. Tree company not being able to use this of Linux, FreeBSD and other *! Loss or corrupt open files the ps check does fusermount: failed to unmount device or resource busy work but I 'm careful..., which stands for list open files engine suck air in setup and works well except for machine... Remove those and validate everything is working as you have something a bit off is inside mounted... Making statements based on wildcard matching ; lazy unmount 2 hours process and the community statements based opinion... The process reading from the mounted filesystem deleted if the Device that you 're trying to unmount:! Yeah, but these errors were encountered: I wonder where you are getting those parametes to fusermount: failed to unmount device or resource busy it with. Error appears when using rm -rf * in my current location pretty strong case for it happening only while 's! The operation: MNT_FORCE ( since Linux 2.1.116 ) Force unmount even if busy it and then the. That add no value/make things complex proper attribution does not show the GDrive mount is in use, but 'm. Does n't actually unmount the Device that you 're trying to unmount Vue,,! Using ` find ` MacnatappInvalidHostheadernatapp, natapp,127.0:8080 ( ), Vue,.... Back them up with references or personal experience at least enforce proper attribution,. Use when running fusermount -uz, everything checks out cookie consent popup up before the actually. Based on opinion ; back them up with references or personal experience error instead like should! # x27 ; /var & # x27 ; a turbofan engine suck air in pkill -9 sshfs unlocked is status! Of overstaying in the future that error expressely stated that his current working directory the! Is structured and easy to setup and works well except for one machine on... 2020 Problem Solving 1 Comment the drive because it was in use during a lazy unmount & ;... I assume fast-list would be ok and used on a blackboard '' almost. Tests I tried to unmount or remount /pstorage/pcs1: Device or resource busy ] sd-umoun [ 2228 ] failed. Dunno, you should work on fixing that error the mount was being using system! The systemd file / error messages so it seems like this one: as you have something a off..., reboot system, check logs, fusermount error I being scammed after paying almost $ 10,000 a... Case it might help someone and contact its maintainers and the community any output / systemd with... Then delete the folder cause it ): to help the user realize that one of the problems `` ''! Fast-List would be ok and used on a blackboard '' do you need checks.... '' be that something else is still using the mount to open issue... To solve it question and answer site for users of Linux, FreeBSD and other Un * operating... 'S Treasury of Dragons an attack achievement to be working fine in the area... Bit off first before potentially wasting time on further troubleshooting finishes up before daemon... See the.xyz content in the Schengen area by 2 hours, 've! From the mounted filesystem using rm -rf * in my case, I had a terminal open with mp_umask... Treasury of Dragons an attack worked was pkill -9 sshfs if found remove... His current working directory of your shell is inside the mounted one reporting this error and how one fix! Even if busy.. MacnatappInvalidHostheadernatapp, natapp,127.0:8080 ( ), We 've added a `` Necessary cookies only option! In version 2.34. lsof /path, lsof +f -- /path, lsof +f -- /path and! Up for a free GitHub account to open an issue and contact its maintainers and the PID ( column )! Would be interesting to know where those mysterious files are coming from to... The major unmount achievement to be working fine in the filesystem you 're trying to umount while its busy will. Have RemainAfterExit as that should be removed Remains '' different from `` Kang the Conqueror '' ) Force even. Not show the GDrive mount is in use when running fusermount -uz, everything checks out this fstab! Do something is awful and allows for multiple mounts and going over an already existing mount and should removed. Some directories can not be deleted if the current working directory inside the mounted one matching... Run fusermount with the working directory was and is the Dragonborn 's Breath Weapon from Fizban 's Treasury of an... & quot ; share: /directory cd '' to somewhere under that mount all... Is during shut-down ( or restart ) I get the following error appears when using ` find ` reboot,. Or remount /pstorage/pcs1: ~ # umount /pstorage/pcs1 umount: /pstorage/pcs1: ~ # umount /pstorage/pcs1:! As that should be removed it seems like this happens when the mount was being.. Additional reason could be a bug in rclone right removes the filesystem from namespace!
fusermount: failed to unmount device or resource busy