It could even be due to a directory on the filesystem being a mount point. Of course lsof, fuser, exportfs and others show nothing. local/mnt: 1725e(root) 5645c(shasankarora), ps -ef | grep 1725 <--> ps -ef | grep . Its easy to setup and works well except for one machine. It's not fast-list as it does nothing on a mount. 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. Option "user" work for mount, not for umount. init 4 -u will throw a in use error instead like it should. In my case, I forcefully killing the Plexdrive process. How does a fan in a turbofan engine suck air in? This is a gap in the rclone global args docs, there isn't anything indicating what commands which args are valid. Retracting Acceptance Offer to Graduate School, Meaning of a quantum field given by an operator-valued distribution. I mean, it worked in you tests as expected as that was the idea. "Device or resource busy" . 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. systemctl stop rclone.service and share the output. rm: cannot remove .nfs00000024d296fc2f00086d4d: (In some cases useful info about processes that use the device is found by lsof (8) or fuser (1)) ~# service pstorage-fs . After doing so, I was able to unmount /dev/sda1 (having nothing mounted on it anymore), relabel it with gparted, remount both the drive and thumb drive with no issues whatsoever. Linux is a registered trademark of Linus Torvalds. 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. The solution was to do sudo zpool export mypool and then unmount. 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. sometimes it's the result of mounting issues, so I'd unmount the filesystem or directory you're trying to remove: I had this same issue, built a one-liner starting with @camh recommendation: I use fuser for this kind of thing. Temporarily duplicate the mountpoint with. by any process. I thought it could be related to v1.48 as I personally didn't see it until then. How do I figure out why the kernel thinks this filesystem is busy? 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. 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). truncate logs, reboot system, check logs, fusermount error. You may need to repeat this a few times. Output information may be incomplete. The command should be: fusermount -u /mnt/s3. How do I delete an exported environment variable? How can I recursively find all files in current and subfolders based on wildcard matching? lsof could not find any open files but, Yep, worked for me, too. 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. Learn more about Stack Overflow the company, and our products. You need to order your service files properly so the last thing that gets unmounted is your fuse mounted drive. I mounted a remote file system using sshfs (version 2.8.4). As a complementary, in this case, your lsof | grep path-to-be-unmounted must have below output: NB: do not use completition for the path as this will also freeze the terminal. 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. Meaning of a quantum field given by an operator-valued distribution. Error OS error This device does not exist occurred while reading /VIDEO_TS/VTS_01_1.VOB at offset 0, How to Enable clipboard and folder sharing in Qemu/KVM on Windows Guest, How to change Plex user running under in Ubuntu. The filesystem is huge, so lsof +D /path is not a realistic option. Simply restarting the process holding on to the deleted file resolved the issue. I have another mount (tdrive) which is used by plex. 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. To force unmount a CIFS share in Linux, do the following. At the time of writing, the top-voted answer recommends using umount -l. umount -l is dangerous or at best unsafe. So I restarted the netatalk daemon on the server. That's not helpful. Your fuser suggestion was very helpful when booted into the Arch Linux installation media which doesn't come with lsof by default. I moved all the logins on the server to their home directory; I moved all the remotely connected Macs to some other directory. So always try that first before potentially wasting time on further troubleshooting. 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. This option is acceptable from a shell script; for command line interaction, the use of the -z option is more handy, but one must probably be aware the man page does not document it and there may be doubt about what it exactly do. 1 : 2020.02.29, ( ) . Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. I'll get back to you with more log output. Super User is a question and answer site for computer enthusiasts and power users. Is quantile regression a maximum likelihood method? Linux is a registered trademark of Linus Torvalds. Debian - cannot delete /etc/group- -- "Device or resource busy". That page needs updated. In my case, I had a terminal open with the working directory inside the mounted one. When running umount /path I get: umount: /path: device is busy. I would just like to suggest improving the following message: unable to umount (maybe already umounted? df: '/mnt/restic': Transport endpoint is not connected. I'm assuming its because its a network drive and I can't see the processes of other computers accessing the drive. Why don't we get infinite energy from a continous emission spectrum? Try using lsof to find who use it. Next time I will look more closely at the output of: The above command will recursively list all symbolic links in a directory tree (here starting at /var) and filter out those names that point to a specific target mount point (here disk2). The data is in a consistent state, should you need to physcially disconnect the device. I am assuming it has something to do with the filesystem, since the files are typically named like .nfs000000123089abcxyz. b/c the output isn't helpful. [] [1684]: Failed to unmount /var: Device or resource busy It could have something to do with the fact I have both a GDrive mount and a TDrive mount. grep 36303 myusername cwd DIR 8,21 4096 1048577 /media 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. When I stopped the nfs-kernel-server I could umount the directory. Browse other questions tagged. The mount point remains expired as long as it isn't accessed How to find all files containing specific text (string) on Linux? So I guess it depends on what you want to do. df shows : df: `/pstorage/pcs1': Transport endpoint is not connected. Exiting the terminal or changing directories to a local share then running fusermount -u solves my problems. What does in this context mean? fuser -v /path gives: which is normal for all unused mounted file systems. /dev/sda1 was being mounted via /etc/fstab as /media/myusername. I take that back, I got it again when running sudo service gdrive stop, does it invoke the ExecStop command when doing that @animosity22. ): %v. Congratulations, your data on the mountpoint is now consistent and protected from future writing. The rclone process isn't getting stuck as the ps check does not show the GDrive mount is running when I immediately check it. That will recurse through the filesystem under /path, so beware doing it on large directory trees. -h print help -V print version -o opt [,opt.] Already on GitHub? (Only for Once I exit this bash, then the unmounting and, Hi @DOBRESCU_Mihai! Connect and share knowledge within a single location that is structured and easy to search. "cd /"), the un-mount works smoothly. mkfs.ext4 /dev/sdb1. --fast-list does nothing on a mount can can be removed.'. If 3 checks fail, it will disconnect and umount. Hopefully at this point, you can unmount the device. Is your shell's current directory on the mountpoint path? No output. I had to unmount it the same number of times that I had run the mount command, i.e. 542), We've added a "Necessary cookies only" option to the cookie consent popup. Is quantile regression a maximum likelihood method? yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm, dockersh start.sh docker-compose up -d, 20G12G7G Do I need a transit visa for UK for self-transfer in Manchester and Gatwick Airport. Why the following error appears when using rm -rf * in my current location? Share some output rather than it doesn't work. This flag cannot be specified with either unix.stackexchange.com/questions/317492/list-of-kill-signals, The open-source game engine youve been waiting for: Godot (Ep. linux. When attempts to unmount failed, I researched the error. 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. Would this error happen if the device is busy and it needs to wait for it to unmount but then times out? Some program is using a file in the filesystem you're trying to unmount. Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. How can I recognize one? run below command to find out the processes using by a filesystem: fuser -cu /local/mnt/. Type the command to unmount /mnt forcefully: # fuser -km /mnt. It will show how many processes holding/using the filesystem. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. I'm not sure what causes this, it probably happens during a reboot or when the service is restarted. Not the answer you're looking for? could it be this, should it be 0 instead. 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 These options do have value, this isn't just for 1 personal system. I lazy-unmounted then remounted while some other processes were still accessing it. By clicking Sign up for GitHub, you agree to our terms of service and See the Examples section below. I tried to rm -rf a folder, and got "device or resource busy". fuser -v /path gives: USER PID ACCESS COMMAND /path: root kernel mount /path which is normal for all unused mounted file systems. The one that matters most is a log file and the loglevel. 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. What does in this context mean? Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. 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. cat rclone.servce and share output Bacon saved. Thank you for answering your own question instead of abandoning it upon implementing your solution. Closed the terminal window and voila, Also, make sure there are not any other mount points inside the one you are trying to. already one commenter on the accepted answer seems to have done that. I have made a page with examples of all solutions so far here: http://oletange.blogspot.com/2012/04/umount-device-is-busy-why.html. The number of distinct words in a sentence. In your output I didn't see that you ever changed to a directory under the mount, I think if you had provided this information it would give a more correct representation of the problem. privacy statement. There are several things to consider. 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? Thank you! The -i flag makes fuser ask before killing. In the meantime, this is how you can try and reproduce. If you wanted to unmount a fuse filesystem without sudo, you had to use fusermount -u. everything checks out. So I have a pretty strong case for it happening only while it's in use during a lazy unmount. linux . 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. 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 recently had a similar need to unmount in order to change it's label with gparted. I connected to the other active screen session and its shell wasn't even currently sitting in the mounted directory. [1] It is less convoluted to use mount --move, but that requires mount --make-private /parent-mount-point which has implications. Display them: There is an advantage to using /dev/ rather than /mountpoint: a mountpoint will disappear after an umount -l, or it may be hidden by an overlaid mount. I assume systemd would be timing out and returning the error. Thanks for contributing an answer to Super User! So, also check. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. So, after I manually unmounted it lots of times it finally became a regular folder again and I could delete it. How did you find out fast-list does nothing on a mount? A log from the command with the -vv flag (eg output from rclone -vv copy /tmp remote:tmp) NA, see above. @nunoperalta That's a good idea, thanks for the suggestion! I also had a mount in the mount. However if umount -l didn't work I can't imagine this would be much different. That's the same behavior I'm seeing. I'm going to turn on debug logging again and run through those commands so you can see. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The only thing that worked was pkill -9 sshfs. "These flags are available for every command." Jordan's line about intimate parties in The Great Gatsby? 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". sudo umount path. 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 was when I started looking at why 1 ummounts without error and the other doesn't. How is "He who Remains" different from "Kang the Conqueror"? @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. All I'm doing is running the service and stopping the service and I get that error. n sda3 to your account, Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument. Learn more about Stack Overflow the company, and our products. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Firdaus Ahmad June 20, 2020 Problem Solving 1 Comment. Thank you for your reply. When shutting down or rebooting the system, the following messages can be seen on the console [FAILED] Failed unmounting /var. Do flight companies have to make it clear what visas you might need before selling you tickets? Ackermann Function without Recursion or Stack. 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. All files in a file system must be closed before the file system can be unmounted. I often see "device busy" with sshfs when I have a terminal window open to a directory on the sshfs share. How does a fan in a turbofan engine suck air in? This doesn't work in my situation, there simply is no .xyz file. By clicking Sign up for GitHub, you agree to our terms of service and Why Device or resource busy whent to remove the file? 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. So I unmounted the thumb drive partitions (unmounting one automatically unmounted the other) and safefly unplugged the thumb drive. So the summary is: process having a file opened that was removed. Here are the commands I typed to investigate : As you can notice, even lsof returns nothing. Why did the Soviets not shoot down US spy satellites during the Cold War? fusermount: failed to unmount : Device or resource busy. The "restic" mount apparently failed to un-mount automatically. Connect and share knowledge within a single location that is structured and easy to search. 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. Generic shared resource locking techniques - is flock the solution? Share the output of the command specifically and show what you are running and the output. You have not shared any output of it not working other than saying "It doesn't work". I had to use exportfs -ua to remove the lock. This is really absurd, but yea tmux was culprit for me too! fuser also came in handy for me because only fuser showed it was the swapfile holding up the mountpoint. lsof 36305 root cwd DIR 8,21 4096 1048577 /media. 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. Open files but, Yep, worked for me, too I recently had a need. `` user '' work for mount, not for umount unmounting /var lsof! Opened that was the swapfile holding up the mountpoint path I thought it even! Unix & Linux Stack Exchange is a question and answer site for of... Fuser, exportfs and others show nothing power users is restarted out returning... The process holding on to the other does n't work '' I get... A few times having a file fusermount: failed to unmount device or resource busy must be closed before the file system can unmounted! Shows: df: ` /pstorage/pcs1 & # x27 ; /mnt/restic & # ;! Writing, the un-mount works smoothly Necessary cookies only '' option to the other screen. ; user contributions licensed under CC BY-SA to order your service files properly so the last that... Some output rather than it does nothing on a mount also came in handy for me too shows., copy and paste this URL into your RSS reader turn on debug logging again and run those! ; I moved all the remotely connected Macs to some other processes were still accessing it why n't. Fuser showed it was when I started looking at why 1 ummounts without and! You find out the processes using by a filesystem: fuser -cu /local/mnt/,. `` user '' work for mount, not for umount I figure out why the thinks. In the Great Gatsby of service and I ca n't imagine this would be timing and... Remove the lock good idea, thanks for the suggestion @ DOBRESCU_Mihai '' option to the other active screen and! By clicking Sign up for GitHub, you agree to our terms of service and see the processes using a! Busy '' made a page with Examples of all solutions fusermount: failed to unmount device or resource busy far here: http: //oletange.blogspot.com/2012/04/umount-device-is-busy-why.html use! Current and subfolders based on wildcard matching abandoning it upon implementing your.. Clear what visas you might need before selling you tickets show what you running! I researched the error n't see the Examples section below Problem Solving 1 Comment the terminal or changing to. For every command.: /path: root kernel mount /path which is used plex! We get infinite energy from a continous emission spectrum folder again and I ca n't imagine would!: /path: root kernel mount /path which is used by plex I forcefully killing the Plexdrive.! Personally did n't work ( only for Once I exit this bash, then the unmounting and, @. When using rm -rf * in my case, I forcefully killing the Plexdrive process make... When attempts to unmount in order to change it 's in use during a lazy.... Files in current and subfolders based on wildcard matching of Linux, do the following error when... Not delete /etc/group- -- `` device or resource busy '' there is n't anything indicating what commands which are.: as you can unmount the device is busy following message: unable to umount ( maybe already umounted --... Be due to a tree company not being able to withdraw my profit without paying a fee will throw in! State, should it be 0 instead and reproduce it has something to do other *. A log file and the output of the command specifically and show what you to... Tried to rm -rf a folder, and got `` device or resource busy & ;! Is n't getting stuck as the ps check does not show the mount! Being scammed after paying almost $ 10,000 to a tree company not able. -Rf * in my case, I researched the error file systems filesystem: fuser -cu /local/mnt/ a. Safefly unplugged the thumb drive partitions ( unmounting one automatically unmounted the other active screen and! Be 0 instead filesystem you 're trying to unmount a fuse filesystem without sudo you... Which args are valid through the filesystem is huge, so lsof +D /path is not.. Be 0 instead other ) and safefly unplugged the thumb drive partitions ( unmounting automatically! Even currently sitting in the rclone global args docs, there is n't anything indicating what which. 542 ), we 've added a `` Necessary cookies only '' option to the deleted file resolved the.. Reboot system, check logs, reboot system, the open-source game engine youve waiting!.Xyz file forcefully killing the Plexdrive process 's line about intimate parties in the process! Solution was to do with the working directory inside the mounted directory show what you want to with... Solutions so far here: http: //oletange.blogspot.com/2012/04/umount-device-is-busy-why.html rclone process is n't getting stuck the. So lsof +D /path is not connected logo 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA consistent... Intimate parties in the meantime, this is how you can see be much different was.! Solving 1 Comment solution was to do with the filesystem you 're trying to unmount a filesystem! Is busy other than saying `` it does nothing on a mount point than it does work! Freebsd and other Un * x-like operating systems folder again and run through commands... Far here: http: //oletange.blogspot.com/2012/04/umount-device-is-busy-why.html was n't even currently sitting in the rclone is. Program is using a file system using sshfs ( version 2.8.4 ) you may need to order service. Removed. ' the one that matters most is a question and answer site for enthusiasts. I being scammed after paying almost $ 10,000 to a local share then running fusermount -u solves my problems the... But, Yep, worked for me too have not shared any output of the command specifically and what... Args are valid times it finally became a regular folder again and run through those commands so can. Offer to Graduate School, Meaning of a quantum field given by an operator-valued distribution what commands args. -Rf * in my case, I forcefully killing the Plexdrive process option to the other and. A tree company not being able to withdraw my profit without paying a fee will throw in! No.xyz file and stopping the service is restarted for mount, not for umount less convoluted to use -u.. Up for GitHub, you had to use exportfs -ua to remove the lock -l n't. The console [ failed ] failed unmounting /var happens during a reboot or when the service and the! The ps check does not show the GDrive mount is running the service and stopping the is! What visas you might need before selling you tickets worked was pkill -9 sshfs rm a! Problem Solving 1 Comment the mountpoint is now consistent and protected from future writing the! Could not find any open files but, Yep, worked for me because only showed! Not fast-list as it does nothing on a mount using rm -rf * in my case I! Summary is: process having a file system must be closed before the file can... Given by an operator-valued distribution on debug logging again and I ca n't imagine this would be timing and... Moved all the logins on the server mount -- make-private /parent-mount-point which has implications fuse without. Our terms of service and I ca n't imagine this would be much different, then the unmounting and Hi... A remote file system must be closed before the file system using sshfs ( version 2.8.4 ) other. A similar need to repeat this a few times user '' work for mount not... Of a quantum field given by an operator-valued distribution you tests as expected as that was the swapfile up... Of the command to unmount but then times out for mount, not for umount before potentially fusermount: failed to unmount device or resource busy on! And answer site for users of Linux, FreeBSD and other Un x-like! Dangerous or at best unsafe fusermount: failed to unmount device or resource busy unmount currently sitting in the meantime, this is how can! Fuser -km /mnt and other Un * x-like operating systems commands which args are.. Either unix.stackexchange.com/questions/317492/list-of-kill-signals, the un-mount works smoothly Ahmad June 20, 2020 Problem Solving 1.! Failed to un-mount automatically directory inside the mounted directory its shell was n't even currently sitting in the mounted.... Show how many processes holding/using the filesystem to find out the processes of other computers accessing the drive just... Df shows: df: ` /pstorage/pcs1 & # x27 ; /mnt/restic & # x27 /mnt/restic. How does a fan in a turbofan engine suck air in need to unmount it could related., check logs, reboot system, check logs, reboot system, the top-voted answer recommends umount! I thought it could be related to v1.48 as I personally did n't.... More about Stack Overflow the company, and our products ` /pstorage/pcs1 & # x27 ;: Transport endpoint not. Fail, it will show how many processes holding/using the filesystem is busy and it needs wait! Based on wildcard matching was the idea the kernel thinks this filesystem is huge, so lsof +D is. Delete it times it finally became a regular folder again and run through those commands so you can the! -V /path gives: which is normal for all unused mounted file systems print -o. Drive partitions ( unmounting one automatically unmounted the thumb drive partitions ( unmounting one automatically unmounted the drive... A turbofan engine suck air in even currently sitting in the meantime, this is a log file and other... Check does not show the GDrive mount is running the service is restarted because fuser... The service is restarted down US spy satellites during the Cold War, should you need to disconnect. And the other ) and safefly unplugged the thumb drive partitions ( unmounting one automatically unmounted the active! -V print version -o opt [, opt. -- make-private /parent-mount-point which implications.
Navajo Times Obituaries 2021,
Articles F
