Ubuntu 18.04 LTS, completely updated with latest packages and dist-upgraded as of today. Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument, same output before. Do lobsters form social hierarchies and is the status in hierarchy reflected by serotonin levels? Try the following, but before running it note that the -k flag will kill any running processes keeping the device busy. @animosity22 vfs-cache-max-size off 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. 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. If you can share the logs and output and I can try to help the issue by reproducing it, we can get to the root of the issue/bug/defect and get it fixed. I hope @ncw will have some thoughts. When running umount /path I get: umount: /path: device is busy. Use the start option to mount it again. Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, Delete a file in Linux irrespective of it being open, can't write to /sys/devices/system/cpu/cpufreq/*/energy_performance_preference when ac-adapter is connected. [ 4044.873100] sd-umount[8299]: Failed to unmount /oldroot: Device or resource busy [ 4044.839977] sd-umount[8300]: Failed to unmount /oldroot/sys: Device or resource busy [ 4044.290367] shutdown[1]: Failed to finalize file systems, ignoring. I rebooted the machine, logged in as my normal user. 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. Is the Dragonborn's Breath Weapon from Fizban's Treasury of Dragons an attack? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 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. If 3 checks fail, it will disconnect and umount. You should fix whatever the upstream is rather than using options that add no value/make things complex. Open files aren't the only unmount blocker. Thank you for sticking with 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". Option "user" work for mount, not for umount. The filesystem is huge, so lsof +D /path is not a realistic option. ): %v. Since the mount points live in /media/, I tried again with: The same two warnings, but this time it returned additional info: bash 4350 myusername cwd DIR 8,21 4096 1048577 /media A second umount2() call specifying MNT_EXPIRE unmounts Thanks this was handy - I was coming from Linux to Windows, was looking for the equivalent of lsof - LockHunter. Interestingly, rmdir then gives this message: rmdir: failed to remove '/tmp/tmp.xxxxxxxxxx': Device or resource busy Processes with open files are the usual culprits. Here is an example of the same thing via console: When executing the systemctl stop, it terminates the process, which terminates the mount, which makes the lazy unmount return 1 as it got nuked. The solution was to do sudo zpool export mypool and then unmount. 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. Information forwarded to debian-bugs-dist@lists.debian.org, Debian Live Maintainers <debian-live@lists.debian.org> : 'If you use -uz, it'll unmount and kill the process once the filesystem is not in use: PTIJ Should we be afraid of Artificial Intelligence? I shared it all already. Is your shell's current directory on the mountpoint path? At the time of writing, the top-voted answer recommends using umount -l. umount -l is dangerous or at best unsafe. df shows : df: `/pstorage/pcs1': Transport endpoint is not connected. 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? The best answers are voted up and rise to the top, Not the answer you're looking for? In summary:. If you can't fusermount it, you should work on fixing that error. 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. @nunoperalta That's a good idea, thanks for the suggestion! I only really use TDrive. 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. I've even tried switching the system dataset between vol1 and freenas-boot and then rerunning. we need to check is any process holding or using the filesystem. Already on GitHub? You were able to reproduce it! FreeNAS-11.3-U3.2 This is kind of a strange one to me. You can check if automount is configured with. The number of distinct words in a sentence. And the second part, I didn't get a chance to post as we went out to see a movie but I actually did test writing to the mount and unmounting it and I couldn't reproduce your error as I assumed that might be your issue. Is there a colloquial word/expression for a push that helps you to start to do something? How does a fan in a turbofan engine suck air in? Why do we kill some animals but not others? 1. 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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. 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. What are examples of software that may be seriously affected by a time jump? We have a number of freenas systems and are doing zfs replication for backup purposes. It appears to unmount. How can I update NodeJS and NPM to their latest versions? Learn more about Stack Overflow the company, and our products. The major unmount achievement to be unlocked is the read-only remount. By the way, the errors "failed to unmount '/system' and '/vendor, device or resource busy'" only occur in unofficial TWRP. The mounts have disappeared from the mtab and now the OS refuses to unmount them. rm: cannot remove .nfs00000024d296fc2f00086d4d: In my case, I forcefully killing the Plexdrive process. 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. sdb1sdf1sdi1 3 So I guess I mounted it twice in the end to the same location? Is quantile regression a maximum likelihood method? By clicking Sign up for GitHub, you agree to our terms of service and How to find all files containing specific text (string) on Linux? Improve this answer. Remounting as read-only and then retrying the unmount helped. Instead of using lsof to crawl through the file system, just use the total list of open files and grep it. 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. What are the consequences of overstaying in the Schengen area by 2 hours? Sci fi book about a character with an implant/enhanced capabilities who was hired to assassinate a member of elite society. (Please give as answer a simple "unlock this" method, and not complete articles like this one. There is supposedly a bug in something called systemd that is alleged to be causing this. No match for argument: htop Was Galileo expecting to see so many stars? Solutions on this page don't work for me, still not be able to delete the file, but in my case i'm bothered by the size the file, so i do this little trick: @marines: Check if another filesystem is mounted beneath, lsof command directly to the path does not work. The best answers are voted up and rise to the top, Not the answer you're looking for? by any process. 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. One must use it with the -u, the -z option alone, will produce an error. restarting several times no error reported. fusermount: failed to unmount : Device or resource busy. Why does pressing enter increase the file size by 2 bytes in windows. Learn more about Stack Overflow the company, and our products. file access blocked by a lock - how to remove? Browse other questions tagged. It's gotta be because the drive is randomly in use. 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. How do I delete an exported environment variable? Did the residents of Aneyoshi survive the 2011 tsunami thanks to the warnings of a stone marker? Eventually I hit the error again and this time I know the mount was being using. Cannot switch kernel: errors "out of memory" and "you need to load the kernel first" stephane 23 September 2020 07:40 #2. see this . 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)? How can I recursively find all files in current and subfolders based on wildcard matching? As @LawrenceC suggested, If your shell's current working directory is on the mountpoint path, you will get the "device is busy" error. 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. I have another mount (tdrive) which is used by plex. The commands suggested in the other answers, lsof and fuser, were of no help. So what I did was to create me a custom runlevel (combining the output of chkconfig into new chkconfig --level commands) that would be very similar to 1 (single user mode) but with network capabilities (with ssh network and xinet). It worked! 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 [*] All kadaitcha men are liars. Share some output rather than it doesn't work. One nuance, if you are logged in through FTP client, you have to logout in order to successfully unmount folder. Error: Unable to find a match: htop Interestingly, rmdir then gives this message: showing that $dir still has the value of /tmp/tmp.xxxxxxxxxx. 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). systemctl start rclone.service When I sent Ctrl+C signal, the "restic" mount should be un-mounted. This same behaviour can be achieved by mounting an empty directory with permissions 000 over the directory to be unmounted. Programs accessing target DEVICE/NFS files may throw errors OR could not work properly after force unmount. failed to unmount /mnt/restic: Device or resource busy, https://github.com/restic/restic/blob/master/CONTRIBUTING.md. I still couldn't unmount the partition even with umount -f Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. You seem to know what arguments work with what commands, I don't. Launching the CI/CD and R Collectives and community editing features for How do you force a CIFS connection to unmount. So, after I manually unmounted it lots of times it finally became a regular folder again and I could delete it. Asking for help, clarification, or responding to other answers. To learn more, see our tips on writing great answers. I wouldn't think so, as this should be an error from fusermount, not rclone. For me, the offending process was a daemon running in a chroot. 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. Yeah, you can't unmount something not mounted as it should error out. It could even be due to a directory on the filesystem being a mount point. diff --git a/packages//000package-groups/.files b/packages//000package-groups/.files index 8d88c0f..7533c03 100644 Binary files a/packages//000package-groups . Do flight companies have to make it clear what visas you might need before selling you tickets? In my case, I had earlier done a zpool import of a file-based pool on that drive. ): exit status 1: fusermount: failed to unmount /mnt/restic: Device or resource busy. thanks for the help. perform the unmount when the mount point ceases to be busy. 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). Why do we kill some animals but not others? @psusi, that is incorrect. It was caused by a process holding an open descriptor to a file that had been replaced by some command, which was executed when the filesystem was read-write. toolchain . The -i flag makes fuser ask before killing. 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. 1 Cause. I had forgotten to unmount a dual partitioned thumb drive with a mountpoint on /dev/hda1 first. I couldn't unmount the mount point (here /mnt) of a chroot jail. Once you know which processes have files open, you can exit those . There is a way to detach a busy device immediately (even if it is busy and cannot be unmounted forcefully). Temporarily duplicate the mountpoint with. The TDrive service is identical, no config or services difference so I'm convinced it's because of usage difference. 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. Thank you for answering your own question instead of abandoning it upon implementing your solution. cd to a location other than the mountpoint to resolve the error. Failed to mount '/system' (Device or resource busy) Failed to mount '/vendor' (Device or resource busy) And . expired. 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. Hopefully at this point, you can unmount the device. You signed in with another tab or window. lsof could not find any open files but, Yep, worked for me, too. I don't know, not documented, so unsafe. It's already documented on the rclone mount page: https://rclone.org/commands/rclone_mount/. --fast-list does nothing on a mount can can be removed.'. For me lsof does not work but I am able to use this. How do I exclude a directory when using `find`? I had to use exportfs -ua to remove the lock. OP expressely stated that his current working directory was. Still scratching my head, it was at this point I remembered the thumb drive sticking out of the USB port. I'm not sure whether quotas could ever prevent an unmount I was clutching at straws. 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. linux. If you believe the question would be on-topic on another Stack Exchange site, you can leave a comment to explain where the question may be able to be answered. UNIX is a registered trademark of The Open Group. An additional reason could be a secondary mount inside your primary mount folder, e.g. The community reviewed whether to reopen this question last year and left it closed: Original close reason(s) were not resolved. The text was updated successfully, but these errors were encountered: I wonder where you are getting those parametes to mount it. Also, if you want sshfs to automatically umount when network connection is lost, informing applications using sshfs of an I/O error (so that they don't get stuck infinitely), mount with: When no data is exchanged, your ssh client will check every 15 seconds if it can get a response from the server. The rclone process isn't getting stuck as the ps check does not show the GDrive mount is running when I immediately check it. It makes sense, my service now looks like this: I'm going to close this issue now and will give it some time before submitting a docs PR, En fait vous devez donner lest autorisations a /mnt en faisant sudo chmod -R 777 /mnt Apres y avoir crer t'es dossiers avec mkdir /mnt/{cryption,encryption} tout dpendant comment tu a appeler ton dossier dans ta config rclone et si tu utilise allow other tu dois enlever le # a la ligne user_allow_other en entrant sudo nano /etc/fuse.conf. When I stopped the nfs-kernel-server I could umount the directory. I mean, it worked in you tests as expected as that was the idea. Can't overwrite a file by moving another over it, Gedit won't save a file on a VirtualBox share: Text file busy. Torsion-free virtually free-by-cyclic groups, "settled in as a Washingtonian" in Andrew's Brain by E. L. Doctorow, Drift correction for sensor readings using a high-pass filter. The filesystem is huge, so lsof +D /path is not a realistic option. Sign in When shutting down or rebooting the system, the following messages can be seen on the console [FAILED] Failed unmounting /var. 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 could be a file opened for reading or writing, a current directory, or a few more obscure cases. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. I recently had a similar need to unmount in order to change it's label with gparted. 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 :). 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. Running Ubuntu, man fusermount tells about a -z option, which is documented as "lazy unmount". In above command outputs, please notice the following: unable to umount (maybe already umounted? rev2023.3.1.43266. That isn't right since fast-list is listed under that. My typical solution is to rename or move the parent directory of the file, then come back later in a day or two and the file will have been removed automatically, at which point I am free to delete the directory. I had this problem when an automated test created a ramdisk. This is highly expected. that's providing the fileystem. It should get the job done. Do you think it may be the fast-list argument? Another alternative when anything works is editing /etc/fstab, adding noauto flag and rebooting the machine. After umounting it, my pb. Super User is a question and answer site for computer enthusiasts and power users. What does in this context mean? 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 :-). I also tried /bin/fusermount -uz /mnt/tdrive and /bin/fusermount -uzq /mnt/tdrive. Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. # umount /mnt. It's gotta be because the drive is randomly in use. So, also check. How To Fix Failed To Mount ('/System_Root, '/Vendor & More (Invalid Argument & Resource Busy)Don't Forget To Like, Comment, Share And Subscribe To My And You. It appears that I'm stuck with not being able to umount while its busy. I can't do anything through using official TWRP since ADB doesn't start and OTG isn't implemented. Upon further investigation, mount-dbfs.sh can be used to kill processes causing "Device or resource busy" and unmount DBFS. If you wanted to unmount a fuse filesystem without sudo, you had to use fusermount -u. rev2023.3.1.43266. Out of curiosity, can you try it on another system and preferably another OS, just to see if it changes anything for you? Of course lsof, fuser, exportfs and others show nothing. What is the best way to deprotonate a methyl group? This is really absurd, but yea tmux was culprit for me too! Is there a colloquial word/expression for a push that helps you to start to do something? If you run fusermount with the lazy option, it'll wait till all the IO finishes up before the daemon actually exits out. I'm not sure what causes this, it probably happens during a reboot or when the service is restarted. Connect and share knowledge within a single location that is structured and easy to search. Try using lsof to find who use it. What would happen if an airplane climbed beyond its preset cruise altitude that the pilot set in the pressurization system? 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). In this case fstab user= mount option is not required. best answer, thanks. (/etc/netatalk/afp.conf has in it the share assignment) to your account, restic 0.9.6 compiled with go1.13.4 on linux/amd64. 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. In Windows, I would have used LockHunter to resolve this. Once it's unmounted, check the logfile. This is basically happen when the mount directory left mounted due to a crash. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. You may cleanup all later: If possible, let us locate/identify the busy process, kill that process and then unmount the samba share/ drive to minimize damage: lsof | grep '
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