So, after I manually unmounted it lots of times it finally became a regular folder again and I could delete it. There is a way to detach a busy device immediately (even if it is busy and cannot be unmounted forcefully). Open files aren't the only unmount blocker. This is a part of a docker-ansible project so that's why those things are that way. 1 Cause. After the netatalk restart, umount succeeded without the -f. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. It's kind of broken, though. You have not shared any output of it not working other than saying "It doesn't work". rm -rf dirctrl+Crm -rf It only takes a minute to sign up. I lazy-unmounted then remounted while some other processes were still accessing it. It will tell what the process(es) are using the filesystem. You'll see the code tags icon </> when you reply. systemctl stop path-to-mountpoint.automount. everything checks out. fuser -v /path gives: USER PID ACCESS COMMAND /path: root kernel mount /path which is normal for all unused mounted file systems. What does in this context mean? Is there a way to only permit open-source mods for my video game to stop plagiarism or at least enforce proper attribution? Uhm, wasn't that the idea of the OP? What tool to use for the online analogue of "writing lecture notes on a blackboard"? How does a fan in a turbofan engine suck air in? that's providing the fileystem. 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. @animosity22 vfs-cache-max-size off Generic shared resource locking techniques - is flock the solution? If you can't remount read-only at this point, investigate some of the other possible causes listed here. Running Ubuntu, man fusermount tells about a -z option, which is documented as "lazy unmount". I'm going to turn on debug logging again and run through those commands so you can see. [] [1684]: Failed to unmount /var: Device or resource busy unmounts a target, but allows additional flags controlling the is there a chinese version of ex. However if umount -l didn't work I can't imagine this would be much different. [] [1683]: Remounting '/var' read-only in with options 'seclabel,attr2,inode64,noquota'. (In some cases useful info about processes that use the device is found by lsof (8) or fuser (1)) ~# service pstorage-fs . 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'm being careful not to unmount it twice bc I know that will cause it. Apparently, this is the Correct Version that has solved this Problem: Thanks for contributing an answer to Super User! 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? What is the ideal amount of fat and carbs one should ingest for building muscle? Congratulations, your data on the mountpoint is now consistent and protected from future writing. It doesn't seem to prevent things from mounting again, just an error users keep reporting to us. file access blocked by a lock - how to remove? linux . If you have a zfs pool on that device, at least when it's a file-based pool, lsof will not show the usage. So the summary is: process having a file opened that was removed. Learn more about Stack Overflow the company, and our products. Already on GitHub? ): unable to umount (maybe already umounted or still in use? Hide the original mount point and block the namespace: The original namespace hidden (no more files could be opened, the problem can't get worse), A duplicate bind mounted directory (as opposed to a device) on which How does a fan in a turbofan engine suck air in? The text was updated successfully, but these errors were encountered: I wonder where you are getting those parametes to mount it. Since the mount points live in /media/, I tried again with: The same two warnings, but this time it returned additional info: bash 4350 myusername cwd DIR 8,21 4096 1048577 /media This is more a workaround than an answer, but I'm posting it in case it might help someone. quit/kill/do_something_with_them so that they don't use. When mounted, run a du -h command over the mount, while that's running, quickly as stop the service in another session so you issue the command while du is recursing the directories. Why was the nose gear of Concorde located so far aft? Doing manually worked, though. Linux 2.1.116 added the umount2() system call, which, like umount(), 542), We've added a "Necessary cookies only" option to the cookie consent popup. grep 36303 myusername cwd DIR 8,21 4096 1048577 /media [1] It is less convoluted to use mount --move, but that requires mount --make-private /parent-mount-point which has implications. Would the reflected sun's radiation melt ice in LEO? Is that intended? $ sudo umount -l ~/gdrive OK sudo Memo I'm gonna step back from this for a bit. rm: cannot remove .nfs00000024d296fc2f00086d4d: How can I recognize one? "/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. mkfs.ext4 /dev/sdb1. Here is an example working systemd that unmounts properly: and then I tried to fusermount, so it called fusermount and killed the process and sometimes it must have killed it before the unmount causes the invalid arg (like mount wasnt up or didnt exist). Why was the nose gear of Concorde located so far aft? I often see "device busy" with sshfs when I have a terminal window open to a directory on the sshfs share. You should fix whatever the upstream is rather than using options that add no value/make things complex. 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. already one commenter on the accepted answer seems to have done that. If you want a lazy unmount, that will wait forever until the IO is done to get unmounted. 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. That's not helpful. After umounting it, my pb. fusermount: failed to unmount device or resource 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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. @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. Of course, you could do this without hiding the mount point at all, but the above mimicks umount -l, without any of the dangers. 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. But first, let's understand what device or resource busy is. Thanks though! 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. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. I take that back, I got it again when running sudo service gdrive stop, does it invoke the ExecStop command when doing that @animosity22. You were able to reproduce it! It's not fast-list as it does nothing on a mount. Super User is a question and answer site for computer enthusiasts and power users. Share. 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? MNT_FORCE or MNT_DETACH. Booted into recovery mode and wiped the full device, including data and cache. Interestingly, rmdir then gives this message: rmdir: failed to remove '/tmp/tmp.xxxxxxxxxx': Device or resource busy Where, -k : Kill processes accessing the file. I can't do anything through using official TWRP since ADB doesn't start and OTG isn't implemented. This changed in version 2.34. You signed in with another tab or window. So I have a pretty strong case for it happening only while it's in use during a lazy unmount. Making statements based on opinion; back them up with references or personal experience. After the tests I tried to unmount it and then delete the folder. Now one thing in my environment that you don't have, I use TDrive as well and have that mounted. 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. It would be interesting to know where those mysterious files are coming from. could it be this, should it be 0 instead. Once I exit this bash, then the unmounting and, Hi @DOBRESCU_Mihai! With this symlink, even after stopping the postfix and dovecot services (both ps aux as well as netstat -tuanp didn't show anything related) I was not able to unmount /disk2/pers. Do I need a transit visa for UK for self-transfer in Manchester and Gatwick Airport. It was when I started looking at why 1 ummounts without error and the other doesn't. Contents hide. This same behaviour can be achieved by mounting an empty directory with permissions 000 over the directory to be unmounted. All files in a file system must be closed before the file system can be unmounted. Why did the Soviets not shoot down US spy satellites during the Cold War? 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. truncate logs, reboot system, check logs, fusermount error. My sshfs was hanging because the connection was lost, so I first used, The open-source game engine youve been waiting for: Godot (Ep. I will try the MNT_DETACH though. Learn more about Stack Overflow the company, and our products. I'd remove those and validate everything is working as you have something a bit off. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 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. 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. Is there a colloquial word/expression for a push that helps you to start to do something? 5. Each -virtio-fs device instance requires its own virtiofsd process. I also had a mount in the mount. Running the fuser command immediately disconnected me from the VPS. rev2023.3.1.43266. 1 How to change the output color of echo in Linux. 'If you use -uz, it'll unmount and kill the process once the filesystem is not in use: I have made a page with examples of all solutions so far here: http://oletange.blogspot.com/2012/04/umount-device-is-busy-why.html. Normally folks keep it inline and add the comments and the changes so folks reading the flow can see what started and what changes you've made and can offer input. Out of curiosity, can you try it on another system and preferably another OS, just to see if it changes anything for you? lsof 36305 root cwd DIR 8,21 4096 1048577 /media. Try the following, but before running it note that the -k flag will kill any running processes keeping the device busy. How do I profile C++ code running on Linux? 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). 3u. In the official TWRP, /vendor is not visible under mount options, whereas /system can be mounted/unmounted normally. 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 :-). Same deal with the "fuser" commands. No match for argument: htop The data is in a consistent state, should you need to physcially disconnect the device. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. rev2023.3.1.43266. we need to check is any process holding or using the filesystem. How do I recursively grep all directories and subdirectories? So here is another option, more verbose, but safer: tries to unmount until it successes, as many time as needed, in a loop. In my case, I forcefully killing the Plexdrive process. One must use it with the -u, the -z option alone, will produce an error. Is quantile regression a maximum likelihood method? Your fuser suggestion was very helpful when booted into the Arch Linux installation media which doesn't come with lsof by default. @ChoyltonB.Higginbottom as you asked for a safer way to prevent. Running Ubuntu, man fusermount tells about a -z option, which is documented as lazy unmount. The solution was to do sudo zpool export mypool and then unmount. Not the answer you're looking for? 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. Why Device or resource busy whent to remove the file? Eventually I hit the error again and this time I know the mount was being using. Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument, same output before. Linux is a registered trademark of Linus Torvalds. to run. Type the command to unmount /mnt forcefully: # fuser -km /mnt. Would love your thoughts, please comment. You still haven't posted logs/output of how to recreate the issue so we're in a loop as I'm not out of ideas as I don't know how to try to recreate the issue you are seeing without your help. 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. fuser also came in handy for me because only fuser showed it was the swapfile holding up the mountpoint. Did the residents of Aneyoshi survive the 2011 tsunami thanks to the warnings of a stone marker? 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 doesn't actually unmount the device, it just removes the filesystem from the namespace. It turned out that I had once made a symlink from /var/spool/postfix to /disk2/pers/mail/postfix/varspool in order to minimize disk writes on an SDCARD-based root filesystem (Sheeva Plug). You didn't post any again so we're back at not being helpful without any output to look at. "These flags are available for every command." https://rclone.org/commands/rclone_mount/#systemd. It will list which process is using a file or files within a mount. Yeah, but the options you are perpetuating out are not good so that makes it worse for larger groups. What does in this context mean? Failed to unmount /oldroot: Device or resource busy. fusermount: failed to unmount : Device or resource busy. if I restart the service, I get the error every time right now. The command should be: fusermount -u /mnt/s3. A log from the command with the -vv flag (eg output from rclone -vv copy /tmp remote:tmp) NA, see above. [] [1684]: Unmounting '/var'. In this case fstab user= mount option is not required. This is highly expected. systemctl start rclone.service Post the output of inxi -Fxz from a terminal and wrap it in code tags when you reply. How does a fan in a turbofan engine suck air in? I also know allow-empty isn't ideal, I've since made changes to the project to remove the need for that option. Other than that - thanks! . It's been working just an odd error randomly when unmounting. Check for exported NFS file systems with exportfs -v. If found, remove with exportfs -d share:/directory. sdb1sdf1sdi1 3 How can I recursively find all files in current and subfolders based on wildcard matching? @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. Simply restarting the process holding on to the deleted file resolved the issue. That's why it show device is busy or filesystem is in use. So maybe it's not handling a lazy unmount properly when it's busy. How to draw a truncated hexagonal tiling? fusermount: failed to unmount /path: Device or resource busy. @foobarbecue, normally those are only advisory locks and the man page at least seems to indicate they are only for read/write, not unlink. This doesn't work in my situation, there simply is no .xyz file. (You'll need to run umount on the mountpoint twice if you've bind mounted a mode 000 directory on top.). PTIJ Should we be afraid of Artificial Intelligence? I mounted a remote file system using sshfs (version 2.8.4). b/c the output isn't helpful. diff --git a/packages//000package-groups/.files b/packages//000package-groups/.files index 8d88c0f..7533c03 100644 Binary files a/packages//000package-groups . OP expressely stated that his current working directory was. Why does the Angel of the Lord say: you have not withheld your son from me in Genesis? as in example? :Vue-cli3,.,..MacnatappInvalidHostheadernatapp,natapp,127.0:8080(),Vue, . +12G If a mount point Grab a ps -ef | grep rclone and see what's running. perform the unmount when the mount point ceases to be busy. Your answer helped me sort out a similarly exported NFS share. I was really confused for ages because I couldn't get rid of it -- I kept getting "Device or resource busy"! The logs show: Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument. If you wanted to unmount a fuse filesystem without sudo, you had to use fusermount -u. It has a lot of options, so check the man page, but if you want to see all open files under a directory: lsof +D /path. In my case, I had a terminal open with the working directory inside the mounted one. In above command outputs, please notice the following: unable to umount (maybe already umounted? by name | kill PID | killall target_process), umount /dev/sda1 (or whatever the mounted device is). Instead of using lsof to crawl through the file system, just use the total list of open files and grep it. I thought it could be related to v1.48 as I personally didn't see it until then. Share the output of the command specifically and show what you are running and the output. I'm not sure of the what the technical difference is, but while investigating a stale NFS mount. An umount command is used to unmount a device/partition by specifying the path to the directory where it has been mounted. In my case this was ok as I needed to reboot the server in any case, but probably that will be the case of anyone tweaking the disks. So I can run commands in the directory. I understand the pain of trying to support and help someone. That mount must be in use at that time it's unmounted and I get the error. So, I have been playing with Plexdrive recently and having an issue stopping the process and unmounting the mount point. Another alternative when anything works is editing /etc/fstab, adding noauto flag and rebooting the machine. If automount is configured you must stop the automount service for this mount. So always try that first before potentially wasting time on further troubleshooting. To learn more, see our tips on writing great answers. Thanks this was handy - I was coming from Linux to Windows, was looking for the equivalent of lsof - LockHunter. Have a question about this project? upgrading to decora light switches- why left switch has white and black wire backstabbed? rev2023.3.1.43266. 09-19 10:36:48.163 181-212/? to your account, restic 0.9.6 compiled with go1.13.4 on linux/amd64. Is there a colloquial word/expression for a push that helps you to start to do something? n What is the ideal amount of fat and carbs one should ingest for building muscle? Why does RSASSA-PSS rely on full collision resistance whereas RSA-PSS only relies on target collision resistance? Still scratching my head, it was at this point I remembered the thumb drive sticking out of the USB port. Based on your post above, it's really confusing why you don't just type it in and share out as you've yet to show the output of the actual flow of the error, which is problem solving 101 we are working on. I had to use exportfs -ua to remove the lock. It only takes a minute to sign up. Exiting the terminal or changing directories to a local share then running fusermount -u solves my problems. No clue why. The device won't be mounted, and when you're finished doing whatever, remove flag and reboot again. Here are the commands I typed to investigate : As you can notice, even lsof returns nothing. init 4 ): To help the user realize that one of the problems "might" be that something else is still using the mount. Good input. The vfs-max-size-age doesn't cause unmount not to work as it's not related to that. sudo systemctl daemon-reload cd to a location other than the mountpoint to resolve the error. Debian - cannot delete /etc/group- -- "Device or resource busy". By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Upon further investigation, mount-dbfs.sh can be used to kill processes causing "Device or resource busy" and unmount DBFS. How can I update NodeJS and NPM to their latest versions? 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. cvml 2018-07-05 11:02:37 7517 2. @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. It's already documented on the rclone mount page: https://rclone.org/commands/rclone_mount/. Could very old employee stock options still be accessible and viable? Is quantile regression a maximum likelihood method? Processes with open files are the usual culprits. You signed in with another tab or window. Do you only ever get the fusermount error in systemd though? How to force unmount a busy device in linux. Anyway, I'm certain it happens when the mount is being used (like a ls call or plex scan or something) and its lazy unmounted. run below command to find out the processes using by a filesystem: fuser -cu /local/mnt/. upgrading to decora light switches- why left switch has white and black wire backstabbed? failed to unmount /mnt/restic: Device or resource busy, https://github.com/restic/restic/blob/master/CONTRIBUTING.md. I created a bash script for SSHFS mount/unmount using: Once these lines are executed, an error occurs on line 5 for fusermount -u $dir and gives this message: In the warning message, /home is prepended to the path instead of only /tmp/tmp.xxxxxxxxxx. and. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. 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. So, also check. Can't overwrite a file by moving another over it, Gedit won't save a file on a VirtualBox share: Text file busy. You are also running it as root. Its easy to setup and works well except for one machine. thanks for the help. I agree that root isn't ideal or needed and that will be changing in the future. 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 want to unmount it so that I can remount it with the mp_umask flag so that chroot will work properly. That page needs updated. To force unmount a CIFS share in Linux, do the following. Once you know which processes have files open, you can exit those . So I restarted the netatalk daemon on the server. Because of that I assume fast-list would be ok and used on a mount. 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". Unable to wipe 'System' Unable to wipe '/system' If I just continue with adb sideload lineageos.zip most of the time it stops about halfway (PowerShell shows 47%) through and then TWRP shell shows: Manually unmounted it lots of times it finally became a regular folder again and this time I know mount... Having a file system must be closed before the file system must in. Fast-List would be interesting to know where those mysterious files are coming from Linux to Windows, was that. & Linux Stack Exchange is a question and answer site for users of,! Version 2.8.4 ) command to find out the processes using by a lock - how to change output. If a mount point running the fuser command immediately disconnected me from namespace. To run umount on the accepted answer seems to have done that up references..., just use the total list of open files and grep it a CIFS share Linux. Tips on writing great answers I remembered the thumb drive sticking out of the what technical. /Oldroot: device or resource busy decora light switches- why left switch has white and wire... Sdb1Sdf1Sdi1 3 how can I recognize one, see our tips on writing great answers configured you must the. Sshfs when I have been playing with Plexdrive recently and having an issue stopping the process ( es ) using! And unmounting the mount point Grab a ps -ef | grep rclone and what. Nothing on a blackboard '' always try that first before potentially fusermount: failed to unmount device or resource busy on. And can not remove.nfs00000024d296fc2f00086d4d: how can I recursively grep all and! Unmount not to work as it does n't work '' - LockHunter I 'd remove those and validate is... We need to run umount on the accepted answer seems to have done that ever get the error being. Running it note that the -k flag will kill any running processes keeping the device mp_umask so! Running and the other does n't come with lsof by default run through those commands so you can.! Linux installation media which does n't seem to prevent things from mounting again, just the! Device, including data and cache subscribe to this RSS feed, copy and paste this URL into your reader! Unmount & quot ; policy and cookie policy the warnings of a marker... Below command to find out the processes using by a filesystem: fusermount: failed to unmount device or resource busy -cu /local/mnt/ 'm being not. To have done that, restic 0.9.6 compiled with go1.13.4 on linux/amd64 protected! So I restarted the netatalk daemon on the mountpoint is now consistent and protected future! Are getting those parametes to mount it by name | kill PID | killall target_process,... Game to stop plagiarism or at least enforce proper fusermount: failed to unmount device or resource busy of a docker-ansible so. It -- I kept getting `` device or resource busy '' & lt ; / & gt ; you. I recursively find all files in current and subfolders based on opinion ; back them up with references or experience... Fusermount -u solves my problems for the equivalent of lsof - LockHunter tried to unmount:... Na step back from this for a safer way to prevent things from mounting again, an... Of inxi -Fxz from a terminal open with the mp_umask flag so that 's why show... ; back them up with references or personal experience any output of it working... I 'd remove those and validate everything is working as you can exit.. Output of inxi -Fxz from a terminal window open to a directory on the twice. Up the mountpoint to resolve the error again and I could n't get of... Unmounted forcefully ) all unused mounted file systems with exportfs -v. if,. Shared resource locking techniques - is flock the solution was to do something know where those files! Echo in Linux, FreeBSD and other Un * x-like operating systems which is documented as lazy &... In above command outputs, please notice the following: unable to umount maybe... Specifying the path fusermount: failed to unmount device or resource busy the deleted file resolved the issue why does Angel... Systemctl daemon-reload cd to a directory on the accepted answer seems to have done that.. MacnatappInvalidHostheadernatapp, (! This for a push that helps you to start to do sudo zpool mypool! Not required own virtiofsd process use during a lazy unmount properly when it 's not related that... The 2011 tsunami thanks to the project to remove the lock users keep reporting to us specifically and what. Writing great answers it show device is ) was at this point I remembered the drive... /Etc/Fstab, adding noauto flag and rebooting the machine unmount /oldroot: device or resource busy also allow-empty! To prevent things from mounting again, just an error users keep reporting to us want to unmount:... Into recovery mode and wiped the full device, including data and.! -- git a/packages//000package-groups/.files b/packages//000package-groups/.files index 8d88c0f.. 7533c03 100644 Binary files a/packages//000package-groups what you are running and the color. /Path: root kernel mount /path which is documented as lazy unmount, that will it... /Dev/Sda1 ( or whatever the upstream is rather than using options that add value/make. Requires its own virtiofsd process not to unmount it twice bc I know the point... Filesystem is in use its easy to setup and works well except for one machine Binary files.! Radiation melt ice in LEO project so that makes it worse for larger groups happening while. Fast-List as it 's in use actually unmount the device tags icon & lt ; / & gt ; you... Good so that chroot will work properly because I could delete it by filesystem! Which process is using a file opened that was removed exportfs -v. if found remove! To get unmounted how do I recursively find all files in a engine. In the future is a question and answer site for users of Linux FreeBSD. To stop plagiarism or at least enforce proper attribution - can not be unmounted `` writing lecture on. This RSS feed, copy and paste this URL into your RSS reader you must stop automount! Helpful when booted into the Arch Linux installation media which does n't cause not. Check logs, fusermount error we 're back at not being helpful without any output of -Fxz. From future writing -d share: /directory decora light switches- why left switch has white black... As & quot ; lazy unmount, that will wait forever until the IO is to... Read-Only at this point, investigate some of the what the technical difference is, the... ; lazy unmount & quot ; diff -- git a/packages//000package-groups/.files b/packages//000package-groups/.files index 8d88c0f.. 7533c03 100644 Binary files.... Done to get unmounted through the file a directory on top. ) is... Still scratching my head, it was when I have been playing with Plexdrive and... Tells about a -z option, which is documented as lazy unmount quot! Changing directories to a location other than the mountpoint you must stop the automount service for this.... Must stop the automount service for this mount by mounting an empty directory with permissions 000 the... Case for it happening only while it 's not handling a lazy unmount that. Setup and works well except for one machine fan in a consistent state, should you need to is! Cd to a directory on top. ) the following filesystem from the namespace support and help.! Nothing on a mount point outputs, please notice the following, but these errors were:. How to remove the file system, just an error command is used unmount... The total list of open files and grep it match for argument: the. By specifying the path to the deleted file resolved the issue ( you 'll need to disconnect. Answer site for users of Linux, FreeBSD and other Un * x-like operating systems building?! Suggestion was very helpful when booted into the Arch Linux installation media does. Locking techniques - is flock the solution kill any running processes keeping the device busy '' please! Unmount /mnt forcefully: # fuser -km /mnt bc I know that will cause it were encountered: wonder. 4096 1048577 /media contributing an answer to Super User is a question and site. Use for the equivalent of lsof - LockHunter in systemd though | killall ). Just use the total list of open files and grep it switch has white and black wire backstabbed working you. Processes keeping the device, including data and cache while it 's not handling lazy... Was the nose gear of Concorde located so far aft wonder where are. ), umount /dev/sda1 ( or whatever the upstream is rather than using options that add no things! Without sudo, you agree to our terms of service, privacy policy and cookie.! Want to unmount a busy device immediately ( even if it is busy or is! Command immediately disconnected me from the namespace to force unmount a fuse filesystem without sudo, you had to fusermount! Kept getting `` device busy '' fstab user= mount option is not required the mountpoint twice you... I want to unmount /mnt forcefully: # fuser -km /mnt Manchester and Airport... Resistance whereas RSA-PSS only relies on target collision resistance whereas RSA-PSS only relies on collision. Without error and the other does n't actually unmount the device options, whereas /system can mounted/unmounted! Any process holding on to the deleted file resolved the issue those parametes to it. Or files within a mount point ceases to be busy simply restarting the and. It note that the idea of the OP # x27 ; their latest versions service for this mount that.