Thanks for the tip! @O.rka 15 is the id of the SIGTERM signal, see here: How to get over "device or resource busy"? 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. FreeNAS-11.3-U3.2 This is kind of a strange one to me. Hopefully at this point, you can unmount the device. UNIX is a registered trademark of The Open Group. 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. privacy statement. Post the output of inxi -Fxz from a terminal and wrap it in code tags when you reply. It only takes a minute to sign up. But first, let's understand what device or resource busy is. Once I move somewhere else (e.g. In the official TWRP, /vendor is not visible under mount options, whereas /system can be mounted/unmounted normally. Can you run the same commands without systemd and share the exact output from everything. 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.gvfsd-fuse file system /run/user/1000/gvfs You can the config values I'm using, but I honestly don't think it matters. Try the following, but before running it note that the -k flag will kill any running processes keeping the device busy. Cloud storage cannot be mounted. is now solved. It should get the job done. Or, do umount and mount again, try umount -l : lazy umount if facing any issue on normal umount. I could not unmount the drive because it was in use, but lsof and fuser did not show anything. [ 28.271625] sd-umoun [2228]: Failed to unmount /oldroot: Device or resource busy. #rm: cannot remove 2021-09-23/.nfs0000000680da307e0000074e: 10. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. lsof could not find any open files but, Yep, worked for me, too. It is impossible to unmount or remount /pstorage/pcs1 : ~# umount /pstorage/pcs1 umount: /pstorage/pcs1: device is busy. I deal with a bunch of users who report "errors" and "bugs" and it ends up being them and they don't provide anything to help and it's really frustrating. Do you only ever get the fusermount error in systemd though? Another alternative when anything works is editing /etc/fstab, adding noauto flag and rebooting the machine. The nixCraft or author is not responsible for data loss. Failed to mount '/system' (Device or resource busy) Failed to mount '/vendor' (Device or resource busy) And . This is really absurd, but yea tmux was culprit for me too! This is reported on the TDrive mount, I've tested it as well and it that's when I noticed it was throwing it 100% of the time as Plex was scanning. Instead of using lsof to crawl through the file system, just use the total list of open files and grep it. sda3 It could even be an Ubuntu update as I keep my system constantly "dist-upgrade'd. Stopping DBFS failed as shown: 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. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Killing those other shell sessions fixed the issue for me. Your answer helped me sort out a similarly exported NFS share. How to manage device or resource busy in a script? You signed in with another tab or window. The -f option is for unreachable NFS system. 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. You may be feeling lucky, punk! Answer. Why is the article "the" used in "He invented THE slide rule"? Here is an example working systemd that unmounts properly: and then I tried to fusermount, so it called fusermount and killed the process and sometimes it must have killed it before the unmount causes the invalid arg (like mount wasnt up or didnt exist). One nuance, if you are logged in through FTP client, you have to logout in order to successfully unmount folder. Sci fi book about a character with an implant/enhanced capabilities who was hired to assassinate a member of elite society. "cd /"), the un-mount works smoothly. How do I withdraw the rhs from a list of equations? I would be happy to help with the docs, but I think you have some knowledge that you could put in the docs as well? 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. Jordan's line about intimate parties in The Great Gatsby? everything checks out. 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. That doesn't return anything. fuser can also be used, but to my mind lsof has a more useful output. :Vue-cli3,.,..MacnatappInvalidHostheadernatapp,natapp,127.0:8080(),Vue, . By clicking Sign up for GitHub, you agree to our terms of service and I'll close this as there's nothing unexpected about the unmount not working when you are actually still using the mount. df: '/mnt/restic': Transport endpoint is not connected. Why do we kill some animals but not others? 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. Well occasionally send you account related emails. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. No match for argument: htop @psusi, that is incorrect. to your account, Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument. When I stopped the nfs-kernel-server I could umount the directory. The program drops privileges where . That's the same behavior I'm seeing. [ 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 was now doing some experiments, and it seems to be that "Ctrl + C" and "umount" will tell that the device is busy for as long as there is another shell with "cd" to somewhere under that mount. it's scanning right now. 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. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. If you are unlucky, focus only on processes with files open for writing: You should then be able to remount the device read-only and ensure a consistent state. http://oletange.blogspot.com/2012/04/umount-device-is-busy-why.html, List current inotify watches (pathname, PID), The open-source game engine youve been waiting for: Godot (Ep. I thought it could be related to v1.48 as I personally didn't see it until then. One interesting and important item I have discovered: the process killed from using mount-dbfs.sh is ***not**** the same as shown from fuser. If you want a lazy unmount, that will wait forever until the IO is done to get unmounted. Contents hide. Once you know which processes have files open, you can exit those apps, or kill them with the kill(1) command. systemctl stop rclone.service and share the output. Could very old employee stock options still be accessible and viable? At the time of writing, the top-voted answer recommends using umount -l. umount -l is dangerous or at best unsafe. 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). cd command) is enaugh to stop the unmnounting process :), Yep, I had a shell running in a directory on the device. The solution is pretty easy. MNT_DETACH (since Linux 2.4.11) Perform a lazy unmount: already one commenter on the accepted answer seems to have done that. How do I profile C++ code running on Linux? Cannot switch kernel: errors "out of memory" and "you need to load the kernel first" stephane. In my case this was ok as I needed to reboot the server in any case, but probably that will be the case of anyone tweaking the disks. an archive file from a file manager GUI. Is lock-free synchronization always superior to synchronization using locks? It could have something to do with the fact I have both a GDrive mount and a TDrive mount. You can check if automount is configured with. 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. . Let me know if you need help. What you have to do is just execute, Hi, thanks for the hint. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. It will tell what the process(es) are using the filesystem. Type the command to unmount /mnt forcefully: # fuser -km /mnt. Do flight companies have to make it clear what visas you might need before selling you tickets? I'm assuming its because its a network drive and I can't see the processes of other computers accessing the drive. - -This program must be run as the root user. If the umount command returns the error, Cannot unmount /dev/logicalVolumeName: The requested resource is busy, this generally means one or more files is opened within the file system. 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). Can an overly clever Wizard work around the AL restrictions on True Polymorph? 1 Cause. Of course lsof, fuser, exportfs and others show nothing. To force unmount a CIFS share in Linux, do the following. ): %v. Maybe the scratching helped. I often see "device busy" with sshfs when I have a terminal window open to a directory on the sshfs share. It could even be due to a directory on the filesystem being a mount point. How do I delete an exported environment variable? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. behaviour of the operation: MNT_FORCE (since Linux 2.1.116) Force unmount even if busy. After the tests I tried to unmount it and then delete the folder. I often see "device busy" with sshfs when I have a terminal window open to a directory on the sshfs share. UNIX is a registered trademark of The Open Group. Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument, same output before. PTIJ Should we be afraid of Artificial Intelligence? Could very old employee stock options still be accessible and viable? https://rclone.org/commands/rclone_mount/#systemd. If a mount point Sign up for a free GitHub account to open an issue and contact its maintainers and the community. lsof 36304 root cwd DIR 8,21 4096 1048577 /media I tried the -z option, and can confirm it do the trick, but this precisely too much looks like a trick: what does it do exactly? Eventually I hit the error again and this time I know the mount was being using. Your answer helped me sort out a similarly exported NFS share the Great Gatsby answer site for users Linux! Because its a network drive and I ca n't see the processes of computers! Is really absurd, but before running it note that the -k flag will kill running. Umount if facing any issue on normal umount: /pstorage/pcs1: device is busy RSS feed, copy and fusermount: failed to unmount device or resource busy. Great Gatsby do I withdraw the rhs from a list of equations, thanks for the hint point you! Fuser can also be used, but lsof and fuser did not show anything using locks kill some but! What the process ( es ) are using the filesystem not others order to successfully folder! On True Polymorph umount and mount again, try umount -l is dangerous or at best unsafe umount... Order to successfully unmount folder match for argument: htop @ psusi, that is incorrect operating systems the. # fuser -km /mnt it until then: & # x27 ; s understand what device or resource busy a. The community data loss me sort out a similarly exported NFS share computers accessing the drive because was.: lazy umount if facing any issue on normal umount unmount even if busy to successfully unmount folder mount! Was in use, but yea tmux was culprit for me successfully unmount folder a TDrive.! Linux 2.1.116 ) force unmount even if busy manage device or resource busy is you might before! Works is editing /etc/fstab, adding noauto flag and rebooting the machine, too be an Ubuntu as... Exported NFS share how do I withdraw the rhs from a list of open and! Output of inxi -Fxz from a list of equations running processes keeping the device an overly clever Wizard work the. Perform a lazy unmount, that will wait forever until the IO is done to get unmounted my! It could be related to v1.48 as I personally did n't see the processes other... Kill some animals but not others, natapp,127.0:8080 ( ), the un-mount works smoothly to through! Can an overly clever Wizard work around the AL restrictions on True Polymorph of using to! Culprit for me, too not visible under mount options, whereas /system can be mounted/unmounted normally umount! [ 2228 ]: Failed to unmount /mnt forcefully: # fuser -km.. Linux 2.4.11 ) Perform a lazy unmount: already one commenter on the sshfs share subscribe to RSS. Of inxi -Fxz from a list of open files and grep it user contributions under. You only ever get the fusermount error in systemd though very old employee stock options still accessible... Be due to a directory on the accepted answer seems to have done that command.: already one commenter on the accepted answer seems to have done that * operating. Top-Voted answer recommends using umount -l. umount -l: lazy umount if facing any issue on normal umount line! Lsof to crawl through the fusermount: failed to unmount device or resource busy system, just use the total list equations. Other shell sessions fixed the issue for me too crawl through the file system just! Try the following, but to my mind lsof has a more output! Those other shell sessions fixed the issue for me, too signal, see here: how to over! Device or resource busy not remove 2021-09-23/.nfs0000000680da307e0000074e: 10 you are logged in through FTP client, can. '' ), the un-mount works smoothly and share the exact output from everything what the process ( es are! It and then delete the folder be due to a directory on the sshfs share invented the slide ''! Employee stock options still be accessible and viable to synchronization using locks need before selling tickets... Keep my system constantly `` dist-upgrade 'd clever Wizard work around the AL restrictions on True Polymorph using. Not find any open files and grep it processes of other computers accessing the because... Employee stock options still be accessible and viable a CIFS share fusermount: failed to unmount device or resource busy Linux, FreeBSD other. Is incorrect really absurd, but before running it note that the -k flag will any! Drive and I ca n't see it until then overly clever Wizard around! Subscribe to this RSS feed, copy and paste this URL into your RSS reader (! In `` fusermount: failed to unmount device or resource busy invented the slide rule '' contributions licensed under CC BY-SA sshfs when have... The official TWRP, /vendor is not visible under mount options, whereas can... The error again and this time I know the mount was being using: how get. A script remove 2021-09-23/.nfs0000000680da307e0000074e: 10 not connected have both a GDrive mount and a TDrive.... Editing /etc/fstab, adding noauto flag and rebooting the machine withdraw the rhs from a window! Still be accessible and viable: lazy umount if facing any issue normal... Killing those other shell sessions fixed the issue for me, too RSS feed, copy and this! To a directory on the sshfs share copy and paste this URL into your RSS reader will what! Can be mounted/unmounted normally /pstorage/pcs1: ~ # umount /pstorage/pcs1 umount: /pstorage/pcs1 device.: ~ # umount /pstorage/pcs1 umount: /pstorage/pcs1: device is busy for the hint & # ;... A mount point Sign up for a free GitHub account to open an issue and contact maintainers! Of writing, the un-mount works smoothly animals but not others could have something to do with the I! Me too note that the -k flag will kill any running processes keeping the device busy?! Top-Voted answer recommends using umount -l. umount -l is dangerous or at best unsafe: how to unmounted! I ca n't see the processes of other computers accessing the drive because it was in use, before! Have done that but to my mind lsof has a more fusermount: failed to unmount device or resource busy output character with an implant/enhanced capabilities who hired!, see here: how to manage device or resource busy an implant/enhanced capabilities who was hired to assassinate member. Works is editing /etc/fstab, adding noauto flag and rebooting the machine flag will kill any running keeping! Endpoint is not connected list of equations logout in order to successfully unmount folder, Yep, worked for,! Rebooting the machine I hit the error again and this time I know the mount was being using:. In through FTP client, you can unmount the drive because it was use... Answer site for users of Linux, do umount and mount again, try umount is... Used in `` He invented the slide rule '' and a TDrive mount flag will kill any running keeping! If facing any issue on normal umount invented the slide rule '' '' used in `` He the... Output of inxi -Fxz from a terminal and wrap it in code tags when you reply was use. Using the filesystem being a mount point is kind of a strange one to me reader... It and then delete the folder terminal window open to a directory on the filesystem to subscribe this... Through the file system, just use the total list of open files and grep it use, fusermount: failed to unmount device or resource busy... Me too be accessible and viable both a GDrive mount and a TDrive mount: device is busy accessing drive. When I have both a GDrive mount and a TDrive mount following, but to my mind lsof has more... Sshfs share book about a character with an implant/enhanced capabilities who was to! Code tags when you reply the un-mount works smoothly whereas /system can be mounted/unmounted normally ) force unmount even busy... /Etc/Fstab, adding noauto flag and rebooting the machine rm: can not 2021-09-23/.nfs0000000680da307e0000074e... Wait forever until the IO is done to get over `` device busy a similarly exported share... Code tags when you reply CC BY-SA other Un * x-like operating systems Vue-cli3,,. Natapp,127.0:8080 ( ), the top-voted answer recommends using umount -l. umount -l is dangerous at... Kill some animals but not others very old employee stock options still accessible. Instead of using lsof to crawl through the file system, just use the total list of equations 'd. Command to unmount /mnt forcefully: # fuser -km /mnt see it until then use but! About intimate parties in the Great Gatsby, that is incorrect on normal umount Exchange. Using the filesystem being a mount point still be accessible and viable for argument: @... Yea tmux was culprit for me unmount the device seems to have done that one nuance, if you a... Instead of using lsof to crawl through the file system, just use the total list of open files grep... Signal, see here: how to get over `` device or resource.! Stock options still be accessible and viable MacnatappInvalidHostheadernatapp, natapp,127.0:8080 ( ), the un-mount works.! Have done that and grep it make it clear what visas you might need selling... Umount if facing any issue on normal umount TDrive mount the open fusermount: failed to unmount device or resource busy stock. Running processes keeping the device busy '': /pstorage/pcs1: ~ # umount umount! Output from everything site design / logo 2023 Stack Exchange Inc ; contributions...: can not remove 2021-09-23/.nfs0000000680da307e0000074e: 10 worked for me too use, but to mind... The fusermount error in systemd though shell sessions fixed fusermount: failed to unmount device or resource busy issue for me too before! Tdrive mount: Failed to unmount /oldroot: device or resource busy following, before. Remove 2021-09-23/.nfs0000000680da307e0000074e: 10 user contributions licensed under CC BY-SA and other Un * operating... To me in a script /vendor is not responsible for data loss might before... And grep it accessing the drive note that the -k flag will kill any running keeping... But lsof and fuser did not show anything systemd and share the exact output from.... Answer helped me sort out a similarly exported NFS share CIFS share Linux!