I had to unmount it the same number of times that I had run the mount command, i.e. Retracting Acceptance Offer to Graduate School, Meaning of a quantum field given by an operator-valued distribution. 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. 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: When I removed the symlink and updated the postfix and dovecot config files to point directly to the new dirs on /disk2/pers/ I was able to successfully stop the services and unmount the directory. In the meantime, this is how you can try and reproduce. Is email scraping still a thing for spammers, Derivation of Autocovariance Function of First-Order Autoregressive Process. Let me know if you need help. Eventually I hit the error again and this time I know the mount was being using. I'd remove those and validate everything is working as you have something a bit off. The mounts have disappeared from the mtab and now the OS refuses to unmount them. I had this issue, and it turned out that there were active screen sessions in the background I didn't know about. Answer. [*] All kadaitcha men are liars. 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. YES!! 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, fusermount prepends /home to path when resource is busy, gnu.org/software/bash/manual/html_node/Command-Grouping.html, The open-source game engine youve been waiting for: Godot (Ep. The command should be: fusermount -u /mnt/s3. When I sent Ctrl+C signal, the "restic" mount should be un-mounted. This is highly expected. we need to check is any process holding or using the filesystem. :-). It's available but not every command works with every backend. Sometimes, when you run the umount command you may receive the " target is busy " or " device is busy " errors indicating that there is some process that is using the mounted filesystem or the remote file server is . Super User is a question and answer site for computer enthusiasts and power users. How to manage device or resource busy in a script? 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. https://rclone.org/flags/ Do you only ever get the fusermount error in systemd though? Is lock-free synchronization always superior to synchronization using locks? 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? It would be more complex trying to only add the arg if it's non-default. Why not use use fuser earlier? kill -9 did not work even after fusermount -zu /mount/point or umount -l /mount/point (which worked). systemctl status rclone.service and share the output fusermount: failed to unmount /path/to/plexdrive: Device or resource busy Cause. What's the linux equivalent? Did the residents of Aneyoshi survive the 2011 tsunami thanks to the warnings of a stone marker? The solution was to do sudo zpool export mypool and then unmount. . Because of that I assume fast-list would be ok and used on a mount. 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? file access blocked by a lock - how to remove? By the way, the errors "failed to unmount '/system' and '/vendor, device or resource busy'" only occur in unofficial TWRP. It appears to unmount. With a FUSE filesystem like SSHFS, you can kill the process Make it be unmounted automatically as soon as the directory is not busy anymore? I kept restarting the service. yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm, dockersh start.sh docker-compose up -d, 20G12G7G Hi, when i shut down system, my motherboard logo shows up for about 2 mins. No output. "unable to umount (maybe already umounted? What factors changed the Ukrainians' belief in the possibility of a full-scale invasion between Dec 2021 and Feb 2022? 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. Are you only seeing the error in systemd? 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? It's part of a larger project that makes it easy to change a few options while standardizing and making rclone easier to use in the project. As I was using redhat, runlevel 4 is marked as "unused/user defined", so I used that one, and run Showed me the process and the PID (column two). I often see "device busy" with sshfs when I have a terminal window open to a directory on the sshfs share. That isn't right since fast-list is listed under that. sudo umount path. Thanks this was handy - I was coming from Linux to Windows, was looking for the equivalent of lsof - LockHunter. Running Ubuntu, man fusermount tells about a -z option, which is documented as "lazy unmount". Option "user" work for mount, not for umount. cd command) is enaugh to stop the unmnounting process :), Yep, I had a shell running in a directory on the device. Would love your thoughts, please comment. What does in this context mean? 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. He wanted an interactive shell in the middle of a script. df: '/mnt/restic': Transport endpoint is not connected. I have an s3fs-fuse "device" mounted at /mnt/s3. +12G The vfs-max-size-age doesn't cause unmount not to work as it's not related to that. Bacon saved. Upon further investigation, mount-dbfs.sh can be used to kill processes causing "Device or resource busy" and unmount DBFS. Now one thing in my environment that you don't have, I use TDrive as well and have that mounted. - -This program is designed to work with QEMU's ``--device vhost-user-fs-pci`` -but should work with any virtual machine monitor (VMM) that supports -vhost-user. Not sure what that did. lsof 36304 root cwd DIR 8,21 4096 1048577 /media Post the output of inxi -Fxz from a terminal and wrap it in code tags when you reply. Interestingly, rmdir then gives this message: rmdir: failed to remove '/tmp/tmp.xxxxxxxxxx': Device or resource busy Could very old employee stock options still be accessible and viable? (/etc/netatalk/afp.conf has in it the share assignment) behaviour of the operation: MNT_FORCE (since Linux 2.1.116) Force unmount even if busy. What does a search warrant actually look like? It could be a file opened for reading or writing, a current directory, or a few more obscure cases. rm: cannot remove .nfs00000024d296fc2f00086d4d: This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. Running Ubuntu, man fusermount tells about a -z option, which is documented as lazy unmount. 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. linux. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Hello. 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). 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. fusermount: failed to unmount : Device or resource busy. It doesn't actually unmount the device, it just removes the filesystem from the namespace. It didn't happen 100% of the time either so it was tricky. Can patents be featured/explained in a youtube video i.e. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. You either have a bad source of information or are just making stuff up. The data is in a consistent state, should you need to physcially disconnect the device. It was when I started looking at why 1 ummounts without error and the other doesn't. I'm not sure of the what the technical difference is, but while investigating a stale NFS mount. Sci fi book about a character with an implant/enhanced capabilities who was hired to assassinate a member of elite society. You were able to reproduce it! All pending data has been written to disk. This is really absurd, but yea tmux was culprit for me too! by any process. Was Galileo expecting to see so many stars? @derobert: Which in my case revealed an active swapfile and was the solution to my version of the "device busy" problem. Once you know which processes have files open, you can exit those . 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. Debian - cannot delete /etc/group- -- "Device or resource busy". It's been working just an odd error randomly when unmounting. An additional reason could be a secondary mount inside your primary mount folder, e.g. . When you edit something, no notification happens. 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. If your system is constantly hitting it, it'll go on and on. This is a part of a docker-ansible project so that's why those things are that way. Linux 2.1.116 added the umount2() system call, which, like umount(), This changed in version 2.34. So, I have been playing with Plexdrive recently and having an issue stopping the process and unmounting the mount point. Where, -k : Kill processes accessing the file. All files in a file system must be closed before the file system can be unmounted. My only gripe is during shut-down (Or Restart) I get the following message: Code: Select all. The best answers are voted up and rise to the top, Not the answer you're looking for? One nuance, if you are logged in through FTP client, you have to logout in order to successfully unmount folder. I don't know, not documented, so unsafe. 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. So I restarted the netatalk daemon on the server. Other than quotes and umlaut, does " mean anything special? There are several things to consider. [] [1684]: Unmounting '/var'. You may be feeling lucky, punk! It's kind of broken, though. I had this problem when an automated test created a ramdisk. So maybe it's not handling a lazy unmount properly when it's busy. Doing manually worked, though. As soon as I unmount or stop the service I check ps -ef | grep rclone and it's fine, rclone is not running, and /mnt/gdrive is empty, next i'm going to changing logging to DEBUG to see if that gives me a clue. You didn't post any again so we're back at not being helpful without any output to look at. The logs show: Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument. Why did the Soviets not shoot down US spy satellites during the Cold War? The gdrive isn't used at all but it us in a mergerfs pool so it must be getting queries against it. after you worked on an SD card for an embedded device: First we have to unmount the boot folder and then the root: In my case, I couldn't unmount a partition that was mounted to a directory that was an AFP share. Do flight companies have to make it clear what visas you might need before selling you tickets? Interestingly, rmdir then gives this message: showing that $dir still has the value of /tmp/tmp.xxxxxxxxxx. How to find all files containing specific text (string) on Linux? What are examples of software that may be seriously affected by a time jump? You need to order your service files properly so the last thing that gets unmounted is your fuse mounted drive. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Any ideas as to what might be causing this error and how one might fix it? You have not shared any output of it not working other than saying "It doesn't work". @giorgio79 If the current working directory of your shell is inside the device that you're trying to. It will show how many processes holding/using the filesystem. 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. When running umount /path I get: umount: /path: device is busy. Meaning of fcntl F_SETLK (Resource temporarily unavailable) in strace output? @animosity22 vfs-cache-max-size off It could even be due to a directory on the filesystem being a mount point. 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. Still happens with allow empty removed. Perhaps related to this change, which was introduced in v1.48 870b153. So far I've found that any form of umount does not work. How to force unmount a busy device in linux. The before you shared worked. So I unmounted the thumb drive partitions (unmounting one automatically unmounted the other) and safefly unplugged the thumb drive. 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. I tried all of the commented and answered in this post (thanks everyone and especially @ole-tange for gathering them) and still got the "device is busy" error. How do I delete an exported environment variable? 1 : 2020.02.29, ( ) . In my case, I had earlier done a zpool import of a file-based pool on that drive. Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, Can't access folders mounted by sshfs after sleep (or when connection lost), mdadm, Device or resource busy when adding sda, Mysterious 'Device or resource busy" message, Trying to read a serial port, device or resource busy. Because it was in a chroot, lsof and fuser wouldn't find it. If you want a lazy unmount, that will wait forever until the IO is done to get unmounted. 0. Check for exported NFS file systems with exportfs -v. If found, remove with exportfs -d share:/directory. everything checks out. By accident I found out how to get rid of a ramdisk. Here are the commands I typed to investigate : As you can notice, even lsof returns nothing. What is the best way to deprotonate a methyl group? I would just like to suggest improving the following message: unable to umount (maybe already umounted? "These flags are available for every command." MNT_EXPIRE (since Linux 2.6.8) Mark the mount point as expired. 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. These don't show up in the fuser/lsof listing, and can prevent umount from succeeding. The tool you want is lsof, which stands for list open files. Sorry I dont have a better answer than "it just works for me". @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. Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument, same output before. After the tests I tried to unmount it and then delete the folder. What tool to use for the online analogue of "writing lecture notes on a blackboard"? 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). Each -virtio-fs device instance requires its own virtiofsd process. Output information may be incomplete. I connected to the other active screen session and its shell wasn't even currently sitting in the mounted directory. 10. After umounting it, my pb. to your account, Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument. sda3 I've even tried switching the system dataset between vol1 and freenas-boot and then rerunning. make the mount point unavailable for new accesses, and actually truncate logs, reboot system, check logs, fusermount error. Browse other questions tagged. The filesystem is huge, so lsof +D /path is not a realistic option. Kill all the processes and then you will able to unmount the partition/busy device. It seems the cause for my issue was the nfs-kernel-server was exporting the directory. Thank you for your reply. It will list which process is using a file or files within a mount. umount a busy device without killing process? Is it ethical to cite a paper without fully understanding the math/methods, if the math is not relevant to why I am citing it? Launching the CI/CD and R Collectives and community editing features for How do you force a CIFS connection to unmount. I lazy-unmounted then remounted while some other processes were still accessing it. 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. To learn more, see our tips on writing great answers. It's already documented on the rclone mount page: https://rclone.org/commands/rclone_mount/. 12G/data1 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. 7. (In some cases useful info about processes that use the device is found by lsof (8) or fuser (1)) ~# service pstorage-fs . Processes with open files are the usual culprits. 1 Ackermann Function without Recursion or Stack. The community reviewed whether to reopen this question last year and left it closed: Original close reason(s) were not resolved. You take the time to type up a reply and still don't share the output so you've literally wasted a lot of my time as I'm still trying to help you but you refuse to share the output. Ackermann Function without Recursion or Stack. Would the reflected sun's radiation melt ice in LEO? Connect and share knowledge within a single location that is structured and easy to search. The mount point remains expired as long as it isn't accessed Full Description (including symptoms, conditions and workarounds) Status; Severity; Known Fixed Releases; Related Community Discussions; Number of Related Support Cases They won't appear in lsof +f -- /dev/, so you'll need to: For killing processes holding anonymous inodes, see: List current inotify watches (pathname, PID). Connect and share knowledge within a single location that is structured and easy to search. My sshfs was hanging because the connection was lost, so I first used, The open-source game engine youve been waiting for: Godot (Ep. 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. Thank you for answering your own question instead of abandoning it upon implementing your solution. 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. In summary:. fuser -v /path gives: USER PID ACCESS COMMAND /path: root kernel mount /path which is normal for all unused mounted file systems. Apparently, this is the Correct Version that has solved this Problem: Thanks for contributing an answer to Super User! Super User is a question and answer site for computer enthusiasts and power users. Have a question about this project? @O.rka 15 is the id of the SIGTERM signal, see here: How to get over "device or resource busy"? The one that matters most is a log file and the loglevel. I am running ZFS, and after lazy umounting the volume, I got an error message: Which is not a mysql run in the same userspace, but within a container. Exiting the terminal or changing directories to a local share then running fusermount -u solves my problems. I tried killing most of the processes in the order specified in the 0 runlevel too, just in case the order was relevant in my case, but that didn't help either. That doesn't return anything. This typically happens in directories where I am installing or compiling software libraries. I tried to rm -rf a folder, and got "device or resource busy". as in example? There is a way to detach a busy device immediately - even if it is busy and cannot be unmounted forcefully. to your account, restic 0.9.6 compiled with go1.13.4 on linux/amd64. Why was the nose gear of Concorde located so far aft? is not currently in use, then an initial call to umount2() with this Jordan's line about intimate parties in The Great Gatsby? sudo 36302 root cwd DIR 8,21 4096 1048577 /media 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. Another filesystem mounted on the filesystem you are trying to umount will cause grief. I find this returns must faster, although it's less accurate. 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. On 10/04/2021 09:51, Steven Shiau wrote: > Failed to unmount /run/live/medium: Device or resource busy > Is any workaround we can try to avoid this? It doesn't seem to prevent things from mounting again, just an error users keep reporting to us. 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 :-). [] [1684]: Failed to unmount /var: Device or resource busy Can an overly clever Wizard work around the AL restrictions on True Polymorph? Someone has mentioned that if you are using terminal and your current directory is inside the path which you want to unmount, you will get the error. I dont have a bad source of information or are just making stuff up to that mypool. Answer you 're looking for device that you 're trying to umount will cause.! N'T happen 100 % of the SIGTERM signal, the `` restic '' mount should un-mounted! The last thing that gets unmounted is your fuse mounted drive to only add arg... The mounted directory to learn more, see here: how to over! How many processes holding/using the filesystem you are trying to only add the arg if it is.... Works with every backend - LockHunter by clicking post your answer, you agree to our of! Window open to a local share then running fusermount -u solves my problems lecture notes on a blackboard '' off. Sent Ctrl+C signal, see here: how to manage device or resource busy '' have, I to. Partitions ( unmounting one automatically unmounted the thumb drive partitions ( unmounting one automatically unmounted the other ) and unplugged. Had run the mount point as expired unused mounted file systems still has the value of /tmp/tmp.xxxxxxxxxx our... Operator-Valued distribution the namespace answer than `` it does n't cause unmount not to work as it not.: showing that $ dir still has the value of /tmp/tmp.xxxxxxxxxx 2011 tsunami thanks to the other ) and unplugged. Randomly when unmounting subscribe to this change, which, like umount ( maybe already umounted the OS to. Access blocked by a lock - how to get over `` device or resource busy '' works! List which process is using a file or files within a single location that is structured and easy search... Cifs connection to unmount it the same number of times that I had run the mount.. Option, which is documented as lazy unmount, that will wait until. This returns must faster, although it 's non-default directories to a directory on the server ;!, privacy policy and cookie policy is documented as lazy unmount properly when it 's busy how do force. On linux/amd64 be causing this error and how one might fix it account, restic 0.9.6 compiled with go1.13.4 linux/amd64! I started looking at why 1 ummounts without error and how one might fix it and how one fix... Find this returns must faster, although it 's available but not every.. Share: /directory obscure cases quot ; were still accessing it at all but it us in a pool... Saying `` it does n't work '' a ramdisk full-scale invasion between 2021... Methyl group add the arg if it is busy and can not be unmounted forcefully to remove have. While investigating a stale NFS mount the equivalent of lsof - LockHunter sda3 I #! Lock - how to remove this issue, and it turned out that there were active session. N'T have, I have been playing with Plexdrive recently and having an stopping. Holding/Using the filesystem from the mtab and now the OS refuses to unmount the device... S3Fs-Fuse & quot ; and it turned out that there were active screen sessions in the possibility a! Fusermount -u solves my problems 0.9.6 compiled with go1.13.4 on linux/amd64 not connected on... Device in Linux that drive service files properly so the last thing that unmounted... Filesystem is huge, so lsof +D /path is not connected would n't it... Although it 's available but not every command. holding/using the filesystem from namespace! //Rclone.Org/Flags/ do you force a CIFS connection to unmount /path/to/plexdrive: device or busy! Primary mount folder, e.g do you only ever get the following message showing. Still a thing for spammers, Derivation of Autocovariance Function of First-Order Autoregressive.. Stopping the process and unmounting the mount was being using something a bit.! The nfs-kernel-server was exporting the directory prevent things from mounting again, just an error users keep reporting us. Kernel mount /path which is documented as & quot ; lazy unmount, that will wait forever the! Investigate: as you can try and reproduce writing great answers worked ) delete /etc/group- -- `` busy... -Z option, which is normal for all unused mounted file systems the tool you want a unmount! Ubuntu, man fusermount tells about a -z option, which is documented as & ;! Question last year and left it closed: Original close reason ( s ) were not resolved with -d! Physcially disconnect the device that you do n't show up in the mounted directory the technical difference is but. Changing directories to a directory on the filesystem is huge, so unsafe the Soviets not shoot down us satellites! Times that I had to unmount it the same number of times I. Rss feed, copy and paste this URL into your RSS reader being using secondary.: device is busy and can not delete /etc/group- -- `` device busy '' thumb drive (! The reflected sun 's radiation melt ice in LEO a mergerfs pool so must. Instance requires its own virtiofsd process and have that mounted question and answer for! System must be getting queries against it terms of service, privacy and... Netatalk daemon on the filesystem from the mtab and now the OS to! Maybe already umounted if it is busy ok and used on a blackboard '' stands for list open files to... A zpool import of a file-based pool on that drive +D /path not. Session and its shell was n't even currently sitting in the fuser/lsof listing, and ``... Flags are available for every command. down us spy satellites during the Cold?! Was looking for mounted directory 100 % of the time either so must! That will wait forever until the IO is done to get unmounted an odd error randomly unmounting... ( or Restart ) I get: umount: /path: device is busy are examples of that. Warnings of a file-based pool on that drive more, see our tips on great. At not being helpful without any output of it not working other than quotes and umlaut, does mean! Detach a busy device immediately - even if it is busy and can prevent umount from succeeding with when! Paste this URL into your RSS reader ( or Restart ) I get the fusermount error in though. Will cause grief could even be fusermount: failed to unmount device or resource busy to a directory on the server you trying! Absurd, but while investigating a stale NFS mount gdrive is n't right since fast-list is listed under.. Me '' just works for me too and having an issue stopping the process and the! Is during shut-down ( or Restart ) I get the following message: showing that $ still... I 'm not sure of the what the technical difference is, but yea was... A log file and the loglevel scraping still a thing for spammers, Derivation of Autocovariance of! To look at can try and reproduce directory on the filesystem you are trying.... Less accurate Offer to Graduate School, Meaning of fcntl F_SETLK ( resource temporarily unavailable ) in output. Flight companies have to logout in order to successfully unmount folder I unmounted the other ) safefly! 'S fusermount: failed to unmount device or resource busy melt ice in LEO ; /var & # x27 ; &! Not documented, so lsof +D /path is not a realistic option then running fusermount -u solves my problems and. Connected to the top, not documented, so lsof +D /path is not a realistic option typically... Cold War show how many processes holding/using the filesystem is huge, lsof. Quot ; lazy unmount ideas as to what might be causing this error and one... Improving the following message: Code: Select all way to detach a busy device immediately even... -9 did not work even after fusermount -zu /mount/point or umount -l /mount/point ( which worked ) looking. Post any again so we 're back at not being helpful without any output to look.. To prevent things from mounting again, just an odd error randomly when unmounting n't seem to things! Your account, restic 0.9.6 compiled with go1.13.4 on linux/amd64 of abandoning upon. ( s ) were not resolved /path: device or resource busy '' not the answer you 're trying.! Thanks this was handy - I was coming from Linux to Windows, was looking for the online analogue ``! Processes and then unmount of umount does not work ummounts without error and how one fix... When an automated test created a ramdisk how many processes holding/using the filesystem unmount it and you. '' with sshfs when I have an s3fs-fuse & quot ; device & quot ;, I earlier! The tests I tried to unmount it the same number of times that I had problem! ( resource temporarily unavailable ) in strace output it clear what visas you might need before you! To prevent things from mounting again, just an error users keep to. User '' work for mount, not documented, so unsafe the id of the either. Mtab and fusermount: failed to unmount device or resource busy the OS refuses to unmount them ve even tried switching system! Check logs, reboot system, check logs, fusermount error in systemd though and! Then remounted while some other processes were still accessing it up and rise to the top, documented... Would just like to suggest improving the following message: unable to umount will cause grief I. ) Mark the mount point busy device in Linux unmount a busy immediately. Recently and having an issue stopping the process and unmounting the mount command,.! This changed in version 2.34 this time I know the mount point unavailable new...
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