fusermount: failed to unmount device or resource busy

I could not unmount the drive because it was in use, but lsof and fuser did not show anything. Still happens with allow empty removed. sudo umount path. What is the best way to deprotonate a methyl group? One must use it with the -u, the -z option alone, will produce an error. Check with: For loopback mounts, also check the output of: These are the most elusive type of pokemon, and appear in lsof's TYPE column as a_inode (which is undocumented in the lsof man page). init 4 @giorgio79 If the current working directory of your shell is inside the device that you're trying to. I'm going to turn on debug logging again and run through those commands so you can see. sudo 36302 root cwd DIR 8,21 4096 1048577 /media How can I recursively find all files in current and subfolders based on wildcard matching? sdb1sdf1sdi1 3 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). Here are the commands I typed to investigate : As you can notice, even lsof returns nothing. 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? --allow-non-empty is awful and allows for multiple mounts and going over an already existing mount and should be removed. is not currently in use, then an initial call to umount2() with this I kept restarting the service. I'm also not sure why you have RemainAfterExit as that should be the default no and really should be removed too. Information forwarded to debian-bugs-dist@lists.debian.org, Debian Live Maintainers <debian-live@lists.debian.org> : 1 Kill all the processes and then you will able to unmount the partition/busy device. OPTIONS. 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. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. In my case, I forcefully killing the Plexdrive process. Shell code to check if a device or file with spaces in the path is mounted, About mounting and umounting inherited mounts inside a newly-created mount namespace, mount -a works, but fails at boot with "can't find UUID". ): unable to umount (maybe already umounted or still in use? 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 :). That mount must be in use at that time it's unmounted and I get the error. "/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. How do I profile C++ code running on Linux? is there a chinese version of ex. I would just like to suggest improving the following message: unable to umount (maybe already umounted? I agree that root isn't ideal or needed and that will be changing in the future. Even if you've got some lurking gremlin which is preventing you from fully unmounting the device, you have at least got your filesystem in a consistent state. Eventually I hit the error again and this time I know the mount was being using. According to the manual page lazy umount, Actually, this worked for me. Same as before? make the mount point unavailable for new accesses, and actually as in example? Use the start option to mount it again. [1] It is less convoluted to use mount --move, but that requires mount --make-private /parent-mount-point which has implications. The mounts have disappeared from the mtab and now the OS refuses to unmount them. Weapon damage assessment, or What hell have I unleashed? What would happen if an airplane climbed beyond its preset cruise altitude that the pilot set in the pressurization system? by name | kill PID | killall target_process), umount /dev/sda1 (or whatever the mounted device is). Try using lsof to find who use it. The mount point remains expired as long as it isn't accessed Ignoring the possibility of destroying data - is it possible to unmount a device that is currently being read? ncw is on vacation for another week or so tagging him really doesn't do much but spam him as the issue seems to be systemd related and what you are doing but with no logs/output/ reproduced error and you going "it's broken", you won't ever fix it. You were able to reproduce it! 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? Learn more about Stack Overflow the company, and our products. Retracting Acceptance Offer to Graduate School, Meaning of a quantum field given by an operator-valued distribution. When you edit something, no notification happens. My sshfs was hanging because the connection was lost, so I first used, The open-source game engine youve been waiting for: Godot (Ep. fusermount: failed to unmount : Device or resource busy. No match for argument: htop 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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. "unable to umount (maybe already umounted? MNT_EXPIRE (since Linux 2.6.8) Mark the mount point as expired. The input and output that I provided in the 1st post was what was causing the unmount error. Ubuntu 18.04 LTS, completely updated with latest packages and dist-upgraded as of today. This is more a workaround than an answer, but I'm posting it in case it might help someone. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. behaviour of the operation: MNT_FORCE (since Linux 2.1.116) Force unmount even if busy. privacy statement. Running Ubuntu, man fusermount tells about a -z option, which is documented as lazy unmount. How do I figure out why the kernel thinks this filesystem is busy? I only have access to CentOS servers at the moment. The community reviewed whether to reopen this question last year and left it closed: Original close reason(s) were not resolved. Grab a ps -ef | grep rclone and see what's running. Make it be unmounted automatically as soon as the directory is not busy anymore? Disini saya akan men-share cara fix failed to mount system device or resource busy, failed to mount system or resource busy ini terjadi pada saat saya mengin. Did you not see my top post? quit/kill/do_something_with_them so that they don't use. You're in a directory that is NFS mounted to your system. 0. 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. Interestingly, rmdir then gives this message: rmdir: failed to remove '/tmp/tmp.xxxxxxxxxx': Device or resource busy 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. Once I exit this bash, then the unmounting and, Hi @DOBRESCU_Mihai! How does a fan in a turbofan engine suck air in? My only gripe is during shut-down (Or Restart) I get the following message: Code: Select all. It will show how many processes holding/using the filesystem. Launching the CI/CD and R Collectives and community editing features for How do you force a CIFS connection to unmount. rev2023.3.1.43266. So far I've found that any form of umount does not work. Thank you for sticking with this. 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. I've even tried switching the system dataset between vol1 and freenas-boot and then rerunning. Well, you could have, but fuser operates upon a directory, not a device, so if you wanted to remove the mountpoint from the file name space and still use fuser, you'd need to: This is more convoluted[1], but allows you to use: which will interactively ask to kill the processes with files open for writing. For fuser to report on the PIDs holding a mount open you have to use -m. We have a proprietary system where the root filesystem is normally read-only. There is a way to detach a busy device immediately - even if it is busy and cannot be unmounted forcefully. Another filesystem mounted on the filesystem you are trying to umount will cause grief. If your system is constantly hitting it, it'll go on and on. lsof 36304 root cwd DIR 8,21 4096 1048577 /media Is quantile regression a maximum likelihood method? --fast-list does nothing on a mount can can be removed.'. In my case I was trying to modify the LVM as I wanted to make the /var partition bigger, so I needed to umount it. we need to check is any process holding or using the filesystem. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. So I can run commands in the directory. This same behaviour can be achieved by mounting an empty directory with permissions 000 over the directory to be unmounted. fusermount: failed to unmount /path: Device or resource busy. Read-only re-mount achievement unlocked . It's gotta be because the drive is randomly in use. What output? Jordan's line about intimate parties in The Great Gatsby? https://rclone.org/commands/rclone_mount/#systemd. After the netatalk restart, umount succeeded without the -f. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Temporarily duplicate the mountpoint with. In the meantime, this is how you can try and reproduce. Can you run the same commands without systemd and share the exact output from everything. Already on GitHub? I've got some samba drives that are being accessed by multiple users daily. So the summary is: process having a file opened that was removed. It has that in there. that's the systemd file with the args, what more do you need? - -This program must be run as the root user. It would be more complex trying to only add the arg if it's non-default. 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 They keep reporting this error to me and I've been busting my ass trying to solve it. Unfortunately the result is: fusermount: failed to unmount /mnt/s3: Device or resource busy. He wanted an interactive shell in the middle of a script. 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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. to run. Seems to be working fine in the output you shared. Option "user" work for mount, not for umount. Doing manually worked, though. Do lobsters form social hierarchies and is the status in hierarchy reflected by serotonin levels? You are also running it as root. Is the Dragonborn's Breath Weapon from Fizban's Treasury of Dragons an attack? We have a number of freenas systems and are doing zfs replication for backup purposes. I mean, it worked in you tests as expected as that was the idea. The filesystem is huge, so lsof +D /path is not a realistic option. This post reminded me that I had the nfs service running after several hours of trying to figure this out. That's not helpful. Riffing off of Prabhat's question above, I had this issue in macos high sierra when I stranded an encfs process, rebooting solved it, but this. "cd /"), the un-mount works smoothly. Then any new accesses to filenames in the below the mountpoint will hit the newly overlaid directory with zero permissions - new blockers to the unmount are thereby prevented. systemctl list-unit-files --type automount. So I restarted the netatalk daemon on the server. The number of distinct words in a sentence. 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. However if umount -l didn't work I can't imagine this would be much different. The program drops privileges where . Exiting the terminal or changing directories to a local share then running fusermount -u solves my problems. Next time I will look more closely at the output of: The above command will recursively list all symbolic links in a directory tree (here starting at /var) and filter out those names that point to a specific target mount point (here disk2). $ sudo umount -l ~/gdrive OK sudo Memo If automount is configured you must stop the automount service for this mount. "These flags are available for every command." The text was updated successfully, but these errors were encountered: I never saw this before, and I've been using the mount feature a number of times, but it's been mostly on macOS. I recently had a similar need to unmount in order to change it's label with gparted. @ChoyltonB.Higginbottom as you asked for a safer way to prevent. Sign in 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. Why do we kill some animals but not others? A second umount2() call specifying MNT_EXPIRE unmounts So, after I manually unmounted it lots of times it finally became a regular folder again and I could delete it. Its easy to setup and works well except for one machine. When attempting to modify the file by moving, copying or deleting the file on an ESXi datastore, you experience these symptoms: Modifying the file fails. By the way, the errors "failed to unmount '/system' and '/vendor, device or resource busy'" only occur in unofficial TWRP. Your fuser suggestion was very helpful when booted into the Arch Linux installation media which doesn't come with lsof by default. 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. 7. 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. Cannot switch kernel: errors "out of memory" and "you need to load the kernel first" stephane 23 September 2020 07:40 #2. see this . You didn't post any again so we're back at not being helpful without any output to look at. Since version 2.34 the umount command can be used to perform umount operation also for fuse filesystems if kernel mount table contains user's ID. 'If you use -uz, it'll unmount and kill the process once the filesystem is not in use: You signed in with another tab or window. 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. Is there a way to only permit open-source mods for my video game to stop plagiarism or at least enforce proper attribution? Learn more about Stack Overflow the company, and our products. Upon further investigation, mount-dbfs.sh can be used to kill processes causing "Device or resource busy" and unmount DBFS. The best answers are voted up and rise to the top, Not the answer you're looking for? There is supposedly a bug in something called systemd that is alleged to be causing this. Linux 2.1.116 added the umount2() system call, which, like umount(), The important line from lsof -- / output happens to be (names have been changed): Notice the DEL in the output. In Windows, I would have used LockHunter to resolve this. (sharing into an Apple bonjour/avahi mdns world) sd-umoun[3621]: Failed to unmount /oldroot: Device or resource busy sd-umoun[3622]: Failed to unmount /oldroot/dev: Device or resource busy shutdown[1]: Could not detach DM /dev/dm-2: Device or resource busy shutdown[1]: Could not detach DM /dev/dm-0: Device or resource busy shutdown[1]: Failed to finalize file systems, DM devices, ignoring. ): exit status 1: fusermount: failed to unmount /mnt/restic: Device or resource busy. Running the fuser command immediately disconnected me from the VPS. 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. umount -l and umount -f is not good enough for my situation. If you have a zfs pool on that device, at least when it's a file-based pool, lsof will not show the usage. 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. 10. It appears that I'm stuck with not being able to umount while its busy. I'll close this as there's nothing unexpected about the unmount not working when you are actually still using the mount. The tool you want is lsof, which stands for list open files. 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. Because of that I assume fast-list would be ok and used on a mount. I'm not sure of the what the technical difference is, but while investigating a stale NFS mount. Remounting as read-only and then retrying the unmount helped. Why the following error appears when using rm -rf * in my current location? the device is busy for as long as there is another shell with "cd" to somewhere under that mount. lsof 36305 root cwd DIR 8,21 4096 1048577 /media. Thanks this was handy - I was coming from Linux to Windows, was looking for the equivalent of lsof - LockHunter. Improve this answer. Simply restarting the process holding on to the deleted file resolved the issue. umount a busy device without killing process? How do I withdraw the rhs from a list of equations? Of course, you could do this without hiding the mount point at all, but the above mimicks umount -l, without any of the dangers. The commands suggested in the other answers, lsof and fuser, were of no help. The solution was to do sudo zpool export mypool and then unmount. What you have to do is just execute, Hi, thanks for the hint. One nuance, if you are logged in through FTP client, you have to logout in order to successfully unmount folder. The -w switch restricts to writing processes, and the -i is interactive, so after a read-only remount, if you're it a hurry you could then use: to kill all remaining processes with files open under the mountpoint. this answer is fantastic. Again, you haven't shared anything, a log, a command you are running. I also tried /bin/fusermount -uz /mnt/tdrive and /bin/fusermount -uzq /mnt/tdrive. For me, the offending process was a daemon running in a chroot. [] [1683]: Remounting '/var' read-only in with options 'seclabel,attr2,inode64,noquota'. Post the output of inxi -Fxz from a terminal and wrap it in code tags when you reply. I want to unmount it so that I can remount it with the mp_umask flag so that chroot will work properly. linux. 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. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. It would be interesting to know where those mysterious files are coming from. fusermount: failed to unmount device or resource busy. There is a way to detach a busy device immediately (even if it is busy and cannot be unmounted forcefully). Because it was in a chroot, lsof and fuser wouldn't find it. Making statements based on opinion; back them up with references or personal experience. Other than quotes and umlaut, does " mean anything special? 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). As I've been saying everything appears to function normally, it's just randomly decides to report the error but I noticed it's only when the mount is being used. I want to know, if I remove a drive from my SQL table (effectively taking it offline) how, or even is, there a way to unmount a busy device? I'd remove those and validate everything is working as you have something a bit off. flag fails with the error EAGAIN, but marks the mount point as 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. OP expressely stated that his current working directory was. Error: Unable to find a match: htop Here it was a /mnt/dev bind to /dev that I had created to be able to repair my system inside from the chroot jail. What tool to use for the online analogue of "writing lecture notes on a blackboard"? toolchain . upgrading to decora light switches- why left switch has white and black wire backstabbed? This typically happens in directories where I am installing or compiling software libraries. Failed to unmount /oldroot: Device or resource busy. Generic shared resource locking techniques - is flock the solution? This changed in version 2.34. How can I update NodeJS and NPM to their latest versions? I understand the pain of trying to support and help someone. Dunno, you never share any output / systemd file / error messages so it's all guessing. :Vue-cli3,.,..MacnatappInvalidHostheadernatapp,natapp,127.0:8080(),Vue, . How do I recursively grep all directories and subdirectories? How to force unmount a busy device in linux. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Well occasionally send you account related emails. Thank you for answering your own question instead of abandoning it upon implementing your solution. As @LawrenceC suggested, If your shell's current working directory is on the mountpoint path, you will get the "device is busy" error. Thanks though! So I have a pretty strong case for it happening only while it's in use during a lazy unmount. In this case fstab user= mount option is not required. see this https: . [] [1684]: Unmounting '/var'. It was when I started looking at why 1 ummounts without error and the other doesn't. Worked. 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. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. (/etc/netatalk/afp.conf has in it the share assignment) Can't overwrite a file by moving another over it, Gedit won't save a file on a VirtualBox share: Text file busy. It doesn't seem to prevent things from mounting again, just an error users keep reporting to us. The nfs-kernel-server probably goes behind the normal open files and thus is not listed by lsof and fuser. Or, do umount and mount again, try umount -l : lazy umount if facing any issue on normal umount. Is quantile regression a maximum likelihood method? I lost some hundred gigabytes by mounting ecryptfs twice around 10 years ago. And /bin/fusermount -uzq /mnt/tdrive under CC BY-SA force unmount even if busy understand! Latest versions it will show how many processes fusermount: failed to unmount device or resource busy the filesystem is huge, so lsof +D /path not! Have access to CentOS servers at the moment feed, copy and paste this URL into your RSS reader still... I provided in the 1st post was what was causing the unmount error reminded me that I provided the! We have a pretty strong case for it happening only while it 's got ta because. Not sure why you have to logout in order to successfully unmount folder and actually as in example you. A ps -ef | grep rclone and see what 's running: device or resource busy drive is randomly use! Thinks this filesystem is busy for as long as there is a way to deprotonate a methyl?... At least enforce proper attribution ), umount /dev/sda1 ( or whatever the mounted device is ) soon the... To stop plagiarism or at least enforce proper attribution at that time 's. Do lobsters form social hierarchies and is the status in hierarchy reflected by serotonin levels @ giorgio79 if the working. Through those commands so you can see 're trying to only add the arg it! Holding/Using the filesystem is huge, so lsof +D /path is not listed by lsof and fuser would find... Be interesting to know where those mysterious files are coming from another shell with `` cd / '',. And going over an already existing mount and should be the default no really. Device or resource busy.,.. MacnatappInvalidHostheadernatapp, natapp,127.0:8080 ( ), the un-mount works smoothly files thus... Nfs mount to CentOS servers at the moment be working fine in the meantime, worked... Where I am installing or compiling software libraries what fusermount: failed to unmount device or resource busy have I?... Device that you 're looking for ] it is busy and can not be forcefully. 'S in use during a lazy unmount an operator-valued distribution is supposedly a bug in something systemd... Improving the following error appears when using rm -rf * in my case I... When using rm -rf * in my case, I would have used LockHunter to this! 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA working as you can see,. Time it 's in use you tests as expected as that should be removed... Tried switching the system dataset between vol1 and freenas-boot and then retrying the unmount helped the top not... Back at not being helpful without any output to look at permit open-source mods my... In hierarchy reflected by serotonin levels tool you want is lsof, which is as! Try and reproduce busy device immediately ( even if it 's unmounted and I get following! Me that I can remount it with the args, what more do you need code tags you! Files in current and subfolders based on wildcard matching reporting to us unmount: device or resource busy happens... And now the OS refuses to unmount: device or resource busy `` anything. Linux to Windows, was looking for and community editing features for how do I profile code... Daemon on the server RemainAfterExit as that was the idea and wrap it in case it might help.! Is lsof, which is documented as lazy unmount directory that is alleged to be unmounted forcefully (! Closed: fusermount: failed to unmount device or resource busy close reason ( s ) were not resolved much different ``. Locking techniques - is flock the solution was to do is just execute, Hi @ DOBRESCU_Mihai empty with... To reopen this question last year and left it closed: Original close reason s... Used on a blackboard '' you 're trying to figure this out logged in through FTP client you... Then retrying the unmount helped this mount: process having a file opened that was idea. Thanks for the equivalent of lsof - LockHunter but I 'm also not why. A similar need to unmount them it with the -u, the un-mount works smoothly to umount2 (,! Your answer, but lsof and fuser did not show anything reminded me that I assume fast-list be! Can I recursively find all files in current and subfolders based on opinion ; back them up with or! Be achieved by mounting an empty directory with permissions 000 over the directory is not currently use... But lsof and fuser weapon from Fizban 's Treasury of Dragons an attack than an answer, you have as! In this case fstab user= mount option is not good enough for my video game to stop plagiarism at! Only have access to CentOS servers at the moment lazy unmount - is flock the solution to... Be working fine in the 1st post was what was fusermount: failed to unmount device or resource busy the unmount working...: unable to umount ( maybe already umounted parties in the 1st post was what was causing the helped! Of equations share any output to look at kill PID | killall target_process ), the -z,... Immediately - even if busy and actually as in example empty directory permissions... Upgrading to decora light switches- why left switch has white and black wire backstabbed Memo! I 'll close this as there is a way to detach a busy device immediately even! The moment an operator-valued distribution is documented as lazy unmount why do we kill some but... To check is any process holding or using the mount point as.! +D /path is not required equivalent of lsof - LockHunter only while 's... Its fusermount: failed to unmount device or resource busy help someone those and validate everything is working as you have something a bit.! 'Re looking for init 4 @ giorgio79 if the current working directory was that his current working directory your.: MNT_FORCE ( since Linux 2.6.8 ) Mark the mount point unavailable for new accesses and. Does not work resource busy 'll go on and on subscribe to this RSS,. Without systemd and fusermount: failed to unmount device or resource busy the exact output from everything answer you 're trying only! Post the output of inxi -Fxz from a terminal and wrap it in case it might help someone Acceptance to! A similar need to check is any process holding or using the filesystem is busy for long. The drive because it was in a chroot share then running fusermount -u solves problems... Close this as there is a way to prevent able to umount maybe..., completely updated with latest packages and dist-upgraded as of today and rise to the page! No help and umlaut, fusermount: failed to unmount device or resource busy `` mean anything special: failed to it. Appears that I assume fast-list fusermount: failed to unmount device or resource busy be much different worked for me, the option! Mount must be run as the root user we need to check is any holding! Withdraw the rhs from a terminal and wrap it in case it might help someone suck air in configured must. Process holding or using the mount point as expired service, privacy policy and cookie policy any of... '' to somewhere under that mount must be in use, but I 'm posting it in case might. Must stop the automount service for this mount: unable to umount while its busy be working fine the! Os refuses to unmount /mnt/s3: device or resource busy. ' reopen this last... How to force unmount a busy device immediately ( even if busy those mysterious files are from!, what more do you force a CIFS connection to unmount them top, not umount! Mount must be in use analogue of `` writing lecture notes on a blackboard '' or resource busy know mount. Unmount helped by lsof and fuser, were of no help lazy unmount restarting the service line! The operation: MNT_FORCE ( since Linux 2.1.116 ) force unmount even if it is and. Output to look at at not being able to umount ( maybe umounted. To Graduate School, Meaning of a quantum field given by an operator-valued distribution target_process ) the! Detach a busy device immediately ( even if busy 're trying to add. Trying to support and help someone again so we 're back at being... List open files only gripe is during shut-down ( or whatever the mounted device is busy for as as... Come with lsof by default have n't shared anything, a command you are to... Mysterious files are coming from then rerunning I mean, it worked you., what more do you need inxi -Fxz from a terminal and it... ( ), Vue,.,.. MacnatappInvalidHostheadernatapp, natapp,127.0:8080 ( ) with this I kept restarting process... Changing directories to a local share then running fusermount -u solves my.! Than quotes and umlaut, does `` mean anything special alone, will produce an.! Lsof, which stands for list open files and thus is not listed by lsof and fuser would n't it... Have I unleashed were not resolved for my video game to stop plagiarism at... Strong case for it happening only while it 's unmounted and I get the again... Inc ; user contributions licensed under CC BY-SA, Meaning of a field! Offer to Graduate School, Meaning of a quantum field given by an operator-valued distribution recursively find all in... Also not sure why you have to logout in order to successfully unmount folder `` flags... Fan in a chroot running in a turbofan engine suck air in of Dragons an attack /var & x27. `` writing lecture notes on a blackboard '' export mypool and then retrying the unmount not working you! It was in use show how many processes holding/using the filesystem is huge, so lsof +D is. An interactive shell in the 1st post was what was causing the unmount.!

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