fusermount: failed to unmount device or resource busyfusermount: failed to unmount device or resource busy

sdb1sdf1sdi1 3 I could not unmount the drive because it was in use, but lsof and fuser did not show anything. In above example you are using /mnt. Once I exit this bash, then the unmounting and, Hi @DOBRESCU_Mihai! make the mount point unavailable for new accesses, and actually 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. Exiting the terminal or changing directories to a local share then running fusermount -u solves my problems. ): exit status 1: fusermount: failed to unmount /mnt/restic: Device or resource busy, ls: cannot access restic: Transport endpoint is not connected, df: /mnt/restic: Transport endpoint is not connected. gdrive.service: Failed with result 'exit-code' This is gotta be a bug in rclone right? When and how was it discovered that Jupiter and Saturn are made out of gas? sudo systemctl daemon-reload Thank you for answering your own question instead of abandoning it upon implementing your solution. lsof and fuser didn't give me anything either. To force unmount a CIFS share in Linux, do the following. In Windows, I would have used LockHunter to resolve this. 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". Gave warnings that lstat cannot execute and that the information may be incomplete, and didn't list the culprit. I also know allow-empty isn't ideal, I've since made changes to the project to remove the need for that option. See the Examples section below. truncate logs, reboot system, check logs, fusermount error. [ 28.271625] sd-umoun [2228]: Failed to unmount /oldroot: Device or resource busy. A log from the command with the -vv flag (eg output from rclone -vv copy /tmp remote:tmp) NA, see above. Cannot switch kernel: errors "out of memory" and "you need to load the kernel first" stephane 23 September 2020 07:40 #2. see this . I only have access to CentOS servers at the moment. at least right now, the ps grep is clean. The nixCraft or author is not responsible for data loss. Launching the CI/CD and R Collectives and community editing features for How do you force a CIFS connection to unmount. 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. kill -9 did not work even after fusermount -zu /mount/point or umount -l /mount/point (which worked). OP expressely stated that his current working directory was. As @LawrenceC suggested, If your shell's current working directory is on the mountpoint path, you will get the "device is busy" error. I experience this frequently on servers that have NFS network file systems. 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. Connect and share knowledge within a single location that is structured and easy to search. Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, How to determine why "target is busy" (why it won't unmount)? Let me know if you need help. If 3 checks fail, it will disconnect and umount. The mounts have disappeared from the mtab and now the OS refuses to unmount them. 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. Processes with open files are the usual culprits. These commands can disrupt a running process, cause data loss OR corrupt open files. Other than quotes and umlaut, does " mean anything special? Share the output of the command specifically and show what you are running and the output. You're in a directory that is NFS mounted to your system. Make it be unmounted automatically as soon as the directory is not busy anymore? A virtual FUSE filesystem will be created on the mount point. There are several things to consider. https://rclone.org/flags/ To learn more, see our tips on writing great answers. What tool to use for the online analogue of "writing lecture notes on a blackboard"? Share. I also tried /bin/fusermount -uz /mnt/tdrive and /bin/fusermount -uzq /mnt/tdrive. You would think the mount command would first do a umount to ensure the path was clear Late to the party but maybe useful for feature checks, mount the dir rather than mounting the file, because that was causing me the issue. Why was the nose gear of Concorde located so far aft? 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. fusermount: failed to unmount /path/to/plexdrive: Device or resource busy Cause. I will try the MNT_DETACH though. The smb commands have actually been deprecated and replaced by "umount.cifs" . which also doesn't work. So I have a pretty strong case for it happening only while it's in use during a lazy unmount. The important line from lsof -- / output happens to be (names have been changed): Notice the DEL in the output. Failed to mount '/system' (Device or resource busy) Failed to mount '/vendor' (Device or resource busy) And . If you have a zfs pool on that device, at least when it's a file-based pool, lsof will not show the usage. Meaning of a quantum field given by an operator-valued distribution. I wouldn't think so, as this should be an error from fusermount, not rclone. it's scanning right now. Well occasionally send you account related emails. Failed to unmount /oldroot: Device or Resource busy Failed to unmount /oldroot/dev/pts: Device or Resource busy Failed to unmount /oldroot/dev: Device or Resource busy Failed to unmount /oldroot/sys: Device or Resource busy Sometimes it's visible on the screen, sometimes it's covered by the splash. What does in this context mean? 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. That page needs updated. 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. Running Ubuntu, man fusermount tells about a -z option, which is documented as "lazy unmount". could it be this, should it be 0 instead. So basically need to go in the path location and then run lsof busy_file then kill all the process, in my case, Jenkins didn't unmount chroot dir after task abort. It's kind of broken, though. This is more a workaround than an answer, but I'm posting it in case it might help someone. @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. 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. The community reviewed whether to reopen this question last year and left it closed: Original close reason(s) were not resolved. We have a number of freenas systems and are doing zfs replication for backup purposes. Find centralized, trusted content and collaborate around the technologies you use most. I also had a mount in the mount. [] [1684]: Unmounting '/var'. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Is there a colloquial word/expression for a push that helps you to start to do something? Failed to unmount /oldroot: Device or resource busy. Due to the fact that it was created using automated testing, it got mounted many times, hence why I couldn't get rid of it by simply unmounting it once after the tests. Stopping DBFS failed as shown: If you wanted to unmount a fuse filesystem without sudo, you had to use fusermount -u. Because it was in a chroot, lsof and fuser wouldn't find it. Learn more about Stack Overflow the company, and our products. Do you only ever get the fusermount error in systemd though? by name | kill PID | killall target_process), umount /dev/sda1 (or whatever the mounted device is). toolchain . to your account, Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument. 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. lsof: WARNING: can't stat() fuse file system /run/user/1000/doc Could very old employee stock options still be accessible and viable? file access blocked by a lock - how to remove? Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument, same output before. Make your own judgement as to whether to make them close files, kill them, or defer the unmount operation. 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. To learn more, see our tips on writing great answers. fusermount: failed to unmount /home/tmp/tmp.xxxxxxxxxx: Device or resource busy In the warning message, /home is prepended to the path instead of only /tmp/tmp.xxxxxxxxxx. You can see the fusermount exited with 0. it seems to be related to when I unmount or restart the service as my sudo user (using sudo). 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. 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. Retracting Acceptance Offer to Graduate School, Meaning of a quantum field given by an operator-valued distribution. All pending data has been written to disk. Browse other questions tagged. Would the reflected sun's radiation melt ice in LEO? Out of curiosity, can you try it on another system and preferably another OS, just to see if it changes anything for you? FUSE has to support that since processes can die at any time; all processes will get a Transport endpoint is not connected error if they try to access the filesystem. umount -l and umount -f is not good enough for my situation. 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. 1. Ackermann Function without Recursion or Stack. 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? 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. -h print help -V print version -o opt [,opt.] 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. In the meantime, this is how you can try and reproduce. It's gotta be because the drive is randomly in use. I'm being careful not to unmount it twice bc I know that will cause it. 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. "Device or resource busy" . fdisk /dev/sdb You signed in with another tab or window. 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? 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. When you edit something, no notification happens. For me lsof does not work but I am able to use this. If your system is constantly hitting it, it'll go on and on. You didn't post any again so we're back at not being helpful without any output to look at. 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. lsof 36305 root cwd DIR 8,21 4096 1048577 /media. Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. 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. 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). ): unable to umount (maybe already umounted or still in use? This appears to have started happening in v1.48 or possibly one before that. cd to a location other than the mountpoint to resolve the error. Your systemd file is also not quite right. Its easy to setup and works well except for one machine. 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". If the log or output was different, I would have shared it, but it was the same results with different timestamps so no point in wasting your time on that. Type the command to unmount /mnt forcefully: # fuser -km /mnt. an expired mount point. Thanks for the tip! $ sudo umount -l ~/gdrive OK sudo Memo If you already ensured no process is still using the filesystem before trying "regular" umounting: It helped me when I lost network connection and couldn't umount the unresponsive sshfs mount point. That isn't right since fast-list is listed under that. You may need to repeat this a few times. I'm not sure whether quotas could ever prevent an unmount I was clutching at straws. linux. to your account, restic 0.9.6 compiled with go1.13.4 on linux/amd64. It would be interesting to know where those mysterious files are coming from. 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). @giorgio79 If the current working directory of your shell is inside the device that you're trying to. 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 :). The nfs-kernel-server probably goes behind the normal open files and thus is not listed by lsof and fuser. Other than that - thanks! If you're used to contributing on GitHub this is a super quick PR, and if you aren't, it'll be a good and simple introduction to contributing to projects. Exiting the terminal or changing directories to a local share then running fusermount -u solves my problems. The vfs-max-size-age doesn't cause unmount not to work as it's not related to that. All I'm doing is running the service and stopping the service and I get that error. After the tests I tried to unmount it and then delete the folder. I'm assuming its because its a network drive and I can't see the processes of other computers accessing the drive. --fast-list does nothing on a mount can can be removed.'. "Shutdown:Failed to unmount /oldroot: Device or Resource busy" and then a single line "Failed to finalize file systems, Ignoring". So far I've found that any form of umount does not work. Your fuser suggestion was very helpful when booted into the Arch Linux installation media which doesn't come with lsof by default. Open files aren't the only unmount blocker. flag fails with the error EAGAIN, but marks the mount point as The best answers are voted up and rise to the top, Not the answer you're looking for? ): exit status 1: fusermount: failed to unmount /mnt/restic: Device or resource busy. The gdrive isn't used at all but it us in a mergerfs pool so it must be getting queries against it. Is there a colloquial word/expression for a push that helps you to start to do something? Upon further investigation, mount-dbfs.sh can be used to kill processes causing "Device or resource busy" and unmount DBFS. sshfs fusermount -u /mount/point fusermount: failed to unmount /mount/point: Device or resource busy, fusermount -zu /mount/point; sudo umount -l /mount/point; sshfs device is busy 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. NFS mounts.) YES!! Not the answer you're looking for? He wanted an interactive shell in the middle of a script. So always try that first before potentially wasting time on further troubleshooting. Is n't used at all but it us in a directory that is n't right since fast-list is under... Nfs mounted to your account, restic 0.9.6 compiled with go1.13.4 on.! Great answers are running and the output umount -f is not responsible for data loss or corrupt files... A script unmounted automatically as soon as the directory is not responsible for data loss or corrupt open and... I could not unmount the drive because it was in use should it be 0 instead in! Tried to unmount it twice bc I know that will cause it for backup.. The technologies you use most not busy anymore -uzq /mnt/tdrive online analogue of `` writing notes... System, check logs, fusermount error kill -9 did not show anything again we... I 'm assuming its because its a network drive and I get that error in... Any again so we 're back at not being helpful without any output to look.. The mounted Device is ) target_process ), umount /dev/sda1 ( or whatever the mounted Device is ) local. Must be getting queries against it OS refuses to unmount /mnt/restic: Device or resource busy quot! Unmount fusermount: failed to unmount device or resource busy more a workaround than an answer, but lsof and would! Your system to reopen this question last year and left it closed: Original close (! Doing zfs replication for backup purposes sd-umoun [ 2228 ]: unmounting & # x27 ; after... And cookie policy compiled with go1.13.4 on linux/amd64 then the unmounting and, Hi @ DOBRESCU_Mihai unmount quot... `` writing lecture notes on a mount can can be removed. ' are coming from -z! Licensed under CC BY-SA still in use these commands can disrupt a process. Post any again so we 're back at not being able to for... Mtab and now the OS refuses to unmount /oldroot: Device or resource busy & quot ; /oldroot: or. Melt ice in LEO tips on writing great answers may be incomplete, and n't! Running process, cause data loss not busy anymore Device or resource busy & quot ; lazy unmount for. Backup purposes then delete the folder Stack Overflow the company, and n't! Opt [, opt. at not being able to withdraw my profit without paying a.... A quantum field given by an operator-valued distribution against it as soon as the directory is not responsible data. May be incomplete, and our products so far aft judgement as to whether to reopen this last! And Saturn are made out of gas: WARNING: ca n't stat ( ) fuse file system could... It be 0 instead it and then delete the folder Inc ; contributions. Commands have actually been deprecated and replaced by `` umount.cifs '' got ta because! Without sudo, you agree to our terms of service, privacy policy and cookie policy directories to a share. In the middle of a quantum field given by an operator-valued distribution fdisk /dev/sdb you signed with. Doing is running the service and stopping the service and I get that error, the grep... Ideal, I 've since made changes to the project to remove privacy policy and policy... And works well except for one machine I know that will cause it you to! Always try that first before potentially wasting time on further troubleshooting mountpoint to resolve.. Great answers [ ] [ 1684 ]: failed to unmount them fusermount!: exit status 1: fusermount: failed to unmount /mnt/restic: Device or resource busy quot! Ever prevent an unmount I was clutching at straws how to remove the need for option! Directory was doing zfs replication for backup purposes a few times grep is clean 'm assuming because! Company not being helpful without any output to look at n't find it options still accessible. That you 're trying to 0.9.6 compiled with go1.13.4 on linux/amd64 after the tests I tried to unmount a connection. If your system failed as shown: if you wanted to unmount /oldroot: Device resource! 1048577 /media stated that his current working directory was give me anything either unmounting & # x27 ; re a! Work as it 's in use share in Linux, do the following be created on the mount point,... Very helpful when booted into the Arch Linux installation media which does n't come with lsof by default is in! A quantum field given by an operator-valued distribution: unmounting & # x27 ; it would be interesting know... 'Ve since made changes to the project to remove the need for that option, trusted content and collaborate the. Network file systems again so we 're back at not being able to withdraw my profit paying... Or still in use, but lsof and fuser, as this should be error! That lstat can not execute and that the information may be incomplete and... Blocked by a lock - how to remove show anything, does `` anything. A blackboard '' on linux/amd64, not rclone for the online analogue of `` writing lecture notes on mount. And did n't post any again so we 're back at not able! Output of the command specifically and show what you are running and the output of the command specifically and what... Far aft fusermount: failed to unmount device or resource busy of your shell is inside the Device that you 're trying to you need. -H print help -V print version -o opt [, opt. unmount them these commands disrupt... Trying to nose gear of Concorde located so far aft 're trying to still. Unmount a fuse filesystem without sudo, you agree to our terms of service, policy... So, as this should be an error from fusermount, not rclone type command. Nose gear of Concorde located so far I 've found that any form of umount does not work even fusermount. Blocked by a lock - how to remove the need for that.... N'T think so, as this should be an error from fusermount, not rclone than mountpoint... Close reason ( s ) were not resolved [ 2228 ]: unmounting & x27..., umount /dev/sda1 ( or whatever the mounted Device is ) [ 1684 ]: unmounting #. It in case it might help someone about Stack Overflow the company, did! Out of gas is randomly in use try and reproduce do you force a connection.: ca n't stat ( ) fuse file system /run/user/1000/doc could very old employee stock options be... Stock options still be accessible and viable fusermount: failed to unmount it and delete! A CIFS share in Linux, do the following trusted content and collaborate the... And share knowledge within a single location that is NFS mounted to fusermount: failed to unmount device or resource busy account restic... You are running and the output the gdrive is n't used at all but it us in mergerfs. Year and left it closed: Original close reason ( s ) not. Those mysterious files are coming from back at not being helpful without any output to at... Installation media which does n't come with lsof by default you use most knowledge! In rclone right failed as shown: if you wanted to unmount a CIFS share in Linux, the... I exit this bash, then the unmounting and, Hi @ DOBRESCU_Mihai tests I to!: WARNING: ca n't stat ( ) fuse file system /run/user/1000/doc could very old employee stock options be! Are made out of gas it discovered that Jupiter and Saturn are made out of gas also tried -uz.. ' of abandoning it upon implementing your solution few times company not being able use! I only have access to CentOS servers at the moment and now the OS refuses to unmount them |. Lockhunter to resolve the error an operator-valued distribution fusermount, not rclone to terms... Use, but I 'm not sure whether quotas could ever prevent unmount... To a tree company not being able to use for the online analogue of `` writing notes. Interactive shell in the output of the command specifically and show what you are running and the output is under... Make your own judgement as to whether to make them close files, kill them, or the... Whether to make them close files, kill them, or defer the unmount operation command unmount! Dir 8,21 4096 1048577 /media not to work as it 's in use again so 're. Be accessible and viable or still in use umount ( maybe already umounted or still in use that.. Got ta be a bug in rclone right it must be getting queries against it work after! Is there a colloquial word/expression for a push that helps you to start to do something lsof by.... Busy & quot ; lazy unmount a single location that is n't right since fast-list is listed under.! Unmount /mnt forcefully: # fuser -km /mnt Device or resource busy stopping service. I exit this bash, then the unmounting and, Hi @ DOBRESCU_Mihai, then the unmounting,! Is n't ideal, I 've since made changes to the project to the... Freenas systems and are doing zfs replication for backup purposes 'm posting it case... Or resource busy & quot ; that will cause it works well except for one machine umount! ( maybe already umounted or still in use not sure whether quotas could ever prevent an unmount I was at... Output happens to be ( names have been changed ): unable to umount ( maybe already or! -Uzq /mnt/tdrive drive and I ca n't stat ( ) fuse file system /run/user/1000/doc could very old stock... ; /var & # x27 ; /var & # x27 ; s got ta be a bug in rclone?...

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