It has a lot of options, so check the man page, but if you want to see all open files under a directory: That will recurse through the filesystem under /path, so beware doing it on large directory trees. No output. Writes to open files can continue. Can patents be featured/explained in a youtube video i.e. Linux is a registered trademark of Linus Torvalds. 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. The mount point remains expired as long as it isn't accessed When running umount /path I get: umount: /path: device is busy. How did you find out fast-list does nothing on a mount? Help me understand the context behind the "It's okay to be white" question in a recent Rasmussen Poll, and what if anything might these results show? It's already documented on the rclone mount page: https://rclone.org/commands/rclone_mount/. The rclone process isn't getting stuck as the ps check does not show the GDrive mount is running when I immediately check it. already one commenter on the accepted answer seems to have done that. Why don't we get infinite energy from a continous emission spectrum? Do I need a transit visa for UK for self-transfer in Manchester and Gatwick Airport. Some program is using a file in the filesystem you're trying to unmount. Why Device or resource busy whent to remove the file? I assume systemd would be timing out and returning the error. local/mnt: 1725e(root) 5645c(shasankarora), ps -ef | grep 1725 <--> ps -ef | grep . Do you only ever get the fusermount error in systemd though? and. I've even tried switching the system dataset between vol1 and freenas-boot and then rerunning. I only have access to CentOS servers at the moment. It's gotta be because the drive is randomly in use. Type the command to unmount /mnt forcefully: # fuser -km /mnt. Retracting Acceptance Offer to Graduate School, Meaning of a quantum field given by an operator-valued distribution. rm: cannot remove .nfs00000024d296fc2f00086d4d: So I guess it depends on what you want to do. After a process of renaming all possible directories to .old and rebooting the system every time after I made changes I found one particular directory (relating to postfix) that was responsible. So far I've found that any form of umount does not work. This is a part of a docker-ansible project so that's why those things are that way. Making statements based on opinion; back them up with references or personal experience. How is "He who Remains" different from "Kang the Conqueror"? . It could have something to do with the fact I have both a GDrive mount and a TDrive mount. file access blocked by a lock - how to remove? lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/1000/gvfs That isn't right since fast-list is listed under that. They won't appear in lsof +f -- /dev/, so you'll need to: For killing processes holding anonymous inodes, see: List current inotify watches (pathname, PID). Cannot switch kernel: errors "out of memory" and "you need to load the kernel first" stephane. Why was the nose gear of Concorde located so far aft? Hi, when i shut down system, my motherboard logo shows up for about 2 mins. Jordan's line about intimate parties in The Great Gatsby? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. 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. Would this error happen if the device is busy and it needs to wait for it to unmount but then times out? After the netatalk restart, umount succeeded without the -f. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. A log from the command with the -vv flag (eg output from rclone -vv copy /tmp remote:tmp) NA, see above. You signed in with another tab or window. It's been working just an odd error randomly when unmounting. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. I am assuming it has something to do with the filesystem, since the files are typically named like .nfs000000123089abcxyz. The text was updated successfully, but these errors were encountered: I never saw this before, and I've been using the mount feature a number of times, but it's been mostly on macOS. What's the linux equivalent? I noticed that the regular FAT32 doesn't care but ExFAT (like SSD drives) does care of PWD. 3u. I also know allow-empty isn't ideal, I've since made changes to the project to remove the need for that option. toolchain . See the Examples section below. What is the ideal amount of fat and carbs one should ingest for building muscle? 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. Stopping DBFS failed as shown: Is that intended? Your answer helped me sort out a similarly exported NFS share. When you try to alter a file on a data source by moving, copying, or deleting it, you get the following error: device or resource busy. Side note: I get it. Sorry I dont have a better answer than "it just works for me". $ sudo umount -l ~/gdrive OK sudo Memo Can you run the same commands without systemd and share the exact output from everything. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 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. But you can simply run. One nuance, if you are logged in through FTP client, you have to logout in order to successfully unmount folder. Dunno, you never share any output / systemd file / error messages so it's all guessing. You are also running it as root. For example, I stop the service, reload daemon, restart them. Would love your thoughts, please comment. Generic shared resource locking techniques - is flock the solution? 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. quit/kill/do_something_with_them so that they don't use. You seem to know what arguments work with what commands, I don't. The one that matters most is a log file and the loglevel. "These flags are available for every command." I'd remove those and validate everything is working as you have something a bit off. In my case, I had earlier done a zpool import of a file-based pool on that drive. 09-19 10:36:48.163 181-212/? If you can't remount read-only at this point, investigate some of the other possible causes listed here. Why the following error appears when using rm -rf * in my current location? Asking for help, clarification, or responding to other answers. The "restic" mount apparently failed to un-mount automatically. 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. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. 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. This is basically happen when the mount directory left mounted due to a crash. 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). What does in this context mean? Why is the article "the" used in "He invented THE slide rule"? Your fuser suggestion was very helpful when booted into the Arch Linux installation media which doesn't come with lsof by default. To investigate, run lsof +f -- example. Did you not see my top post? an archive file from a file manager GUI. 0. I couldn't unmount the mount point (here /mnt) of a chroot jail. That's not helpful. In my case, I had a terminal open with the working directory inside the mounted one. I experience this frequently on servers that have NFS network file systems. I tried to rm -rf a folder, and got "device or resource busy". OP expressely stated that his current working directory was. I agree that root isn't ideal or needed and that will be changing in the future. The nixCraft or author is not responsible for data loss. So, I have been playing with Plexdrive recently and having an issue stopping the process and unmounting the mount point. Disini saya akan men-share cara fix failed to mount system device or resource busy, failed to mount system or resource busy ini terjadi pada saat saya mengin. I had this problem when an automated test created a ramdisk. Eventually I hit the error again and this time I know the mount was being using. Once it's unmounted, check the logfile. My goal is 100% to not be abrasive nor an asshole so I'm sorry if you feel that way as I sincerely apologize. It only takes a minute to sign up. /dev/sda1 was being mounted via /etc/fstab as /media/myusername. Share the output of the command specifically and show what you are running and the output. rm -rf dirctrl+Crm -rf Congratulations, your data on the mountpoint is now consistent and protected from future writing. https://rclone.org/flags/ The gdrive isn't used at all but it us in a mergerfs pool so it must be getting queries against it. They keep reporting this error to me and I've been busting my ass trying to solve it. In above command outputs, please notice the following: unable to umount (maybe already umounted? best answer, thanks. fusermount: failed to unmount : Device or resource busy. (You'll need to run umount on the mountpoint twice if you've bind mounted a mode 000 directory on top.). 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. So the summary is: process having a file opened that was removed. Meaning of a quantum field given by an operator-valued distribution. I'm not sure whether quotas could ever prevent an unmount I was clutching at straws. The solution was to do sudo zpool export mypool and then unmount. 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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. I often see "device busy" with sshfs when I have a terminal window open to a directory on the sshfs share. It will tell what the process(es) are using the filesystem. Same as before? 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. As I've been saying everything appears to function normally, it's just randomly decides to report the error but I noticed it's only when the mount is being used. "/usr/bin/fusermount: failed to unmount /mnt/xxx: Device or resource busy" And any operation with /mnt/whatever says "Transport endpoint is not connected" I've seen a bug entery related to this but no solution. Some directories cannot be deleted if the device or resource is busy. we need to check is any process holding or using the filesystem. Thanks for this advice. --fast-list does nothing on a mount can can be removed.'. Seems to be working fine in the output you shared. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. I lost some hundred gigabytes by mounting ecryptfs twice around 10 years ago. @giorgio79 If the current working directory of your shell is inside the device that you're trying to. This in itself doesn't unmount the filesystem, but sometimes it's an alternative way of getting your system unstuck. The only thing that worked was pkill -9 sshfs. Learn more about Stack Overflow the company, and our products. We have a number of freenas systems and are doing zfs replication for backup purposes. the device is busy for as long as there is another shell with "cd" to somewhere under that mount. One interesting and important item I have discovered: the process killed from using mount-dbfs.sh is ***not**** the same as shown from fuser. Unforunately these aren't NFS mounts, but CIFS. How does a fan in a turbofan engine suck air in? sudo umount path. The smb commands have actually been deprecated and replaced by "umount.cifs" . which also doesn't work. 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. The "restic" mount apparently failed to un-mount automatically. df shows : df: `/pstorage/pcs1': Transport endpoint is not connected. "unable to umount (maybe already umounted? 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. WRT3200ACM: Changes not being saved (corrupt ubi partition) Installing and Using OpenWrt. The -f option is for unreachable NFS system. The commands suggested in the other answers, lsof and fuser, were of no help. What does in this context mean? Why does the Angel of the Lord say: you have not withheld your son from me in Genesis? privacy statement. MNT_EXPIRE (since Linux 2.6.8) Mark the mount point as expired. You signed in with another tab or window. The best answers are voted up and rise to the top, Not the answer you're looking for? Jordan's line about intimate parties in The Great Gatsby? The mounts have disappeared from the mtab and now the OS refuses to unmount them. Closed the terminal window and voila, Also, make sure there are not any other mount points inside the one you are 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 :). In the official TWRP, /vendor is not visible under mount options, whereas /system can be mounted/unmounted normally. You were able to reproduce it! To force unmount a CIFS share in Linux, do the following. Could you check your logs just to confirm? Normally folks keep it inline and add the comments and the changes so folks reading the flow can see what started and what changes you've made and can offer input. These options do have value, this isn't just for 1 personal system. . @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. 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. we need to check is any process holding or using the filesystem. I tried all of the commented and answered in this post (thanks everyone and especially @ole-tange for gathering them) and still got the "device is busy" error. How to change the output color of echo in Linux. Asking for help, clarification, or responding to other answers. 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. @derobert: Which in my case revealed an active swapfile and was the solution to my version of the "device busy" problem. 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. If automount is configured you must stop the automount service for this mount. This is really absurd, but yea tmux was culprit for me too! What tool to use for the online analogue of "writing lecture notes on a blackboard"? [*] All kadaitcha men are liars. Because it was in a chroot, lsof and fuser wouldn't find it. The filesystem is huge, so lsof +D /path is not a realistic option. Linux is a registered trademark of Linus Torvalds. 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. --allow-non-empty is awful and allows for multiple mounts and going over an already existing mount and should be removed. I suspect it was the overlay mount in particular but could have been the binds too. When attempting to modify the file by moving, copying or deleting the file on an ESXi datastore, you experience these symptoms: Modifying the file fails. Have a question about this project? diff --git a/packages//000package-groups/.files b/packages//000package-groups/.files index 8d88c0f..7533c03 100644 Binary files a/packages//000package-groups . "Shutdown:Failed to unmount /oldroot: Device or Resource busy" and then a single line "Failed to finalize file systems, Ignoring". I mean, it worked in you tests as expected as that was the idea. Click to enlarge. 1 systemctl stop path-to-mountpoint.automount. Can a VGA monitor be connected to parallel port? I'm going to turn on debug logging again and run through those commands so you can see. rev2023.3.1.43266. Thank you for your reply. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. 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. What output? Do flight companies have to make it clear what visas you might need before selling you tickets? By clicking Sign up for GitHub, you agree to our terms of service and If a mount point 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. The number of distinct words in a sentence. I have an s3fs-fuse "device" mounted at /mnt/s3. Unfortunately the result is: fusermount: failed to unmount /mnt/s3: Device or resource busy. Is there a colloquial word/expression for a push that helps you to start to do something? expired. What are the consequences of overstaying in the Schengen area by 2 hours? grep 36303 myusername cwd DIR 8,21 4096 1048577 /media Of course lsof, fuser, exportfs and others show nothing. 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. it's the same as before. It only takes a minute to sign up. Would the reflected sun's radiation melt ice in LEO? see this https: . I'm not sure what causes this, it probably happens during a reboot or when the service is restarted. Once you know which processes have files open, you can exit those . [ 28.271625] sd-umoun [2228]: Failed to unmount /oldroot: Device or resource busy. Although they're useful, I'm currently interested in just ASimpleMethodThatWorks). Simply restarting the process holding on to the deleted file resolved the issue. Again, you haven't shared anything, a log, a command you are running. Well occasionally send you account related emails. Instead of using lsof to crawl through the file system, just use the total list of open files and grep it. 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. 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. w After the tests I tried to unmount it and then delete the folder. A virtual FUSE filesystem will be created on the mount point. n Share some output rather than it doesn't work. Learn more about Stack Overflow the company, and our products. Do you think it may be the fast-list argument? You could also use. OPTIONS. So I guess I mounted it twice in the end to the same location? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. How do I withdraw the rhs from a list of equations? In this case fstab user= mount option is not required. In the meantime, this is how you can try and reproduce. So always try that first before potentially wasting time on further troubleshooting. The best answers are voted up and rise to the top, Not the answer you're looking for? Yeah, you can't unmount something not mounted as it should error out. It has that in there. that's the systemd file with the args, what more do you need? 542), We've added a "Necessary cookies only" option to the cookie consent popup. It's gotta be because the drive is randomly in use. Out of curiosity, can you try it on another system and preferably another OS, just to see if it changes anything for you? In above example you are using /mnt. 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. 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. Why do we kill some animals but not others? 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. df: '/mnt/restic': Transport endpoint is not connected. 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. b/c the output isn't helpful. You should fix whatever the upstream is rather than using options that add no value/make things complex. Good input. Is your shell's current directory on the mountpoint path? Full Description (including symptoms, conditions and workarounds) Status; Severity; Known Fixed Releases; Related Community Discussions; Number of Related Support Cases This manpage was originally written by Bastian Kleineidam <calvin@debian.org> for the Debian distribution of fuse-utils. [] [1683]: Remounting '/var' read-only in with options 'seclabel,attr2,inode64,noquota'. 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. Was Galileo expecting to see so many stars? by name | kill PID | killall target_process), umount /dev/sda1 (or whatever the mounted device is). 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). Why was the nose gear of Concorde located so far aft? ): 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. 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. By the way, the errors "failed to unmount '/system' and '/vendor, device or resource busy'" only occur in unofficial TWRP. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. systemctl list-unit-files --type automount. Or, do umount and mount again, try umount -l : lazy umount if facing any issue on normal umount. How can I update NodeJS and NPM to their latest versions? 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. In Windows, I would have used LockHunter to resolve this. FreeNAS-11.3-U3.2 This is kind of a strange one to me. Still happens with allow empty removed. Thank you! There is a minimal progress feedback, so that one know what's going on and don't believe it's hanged.
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