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). Already on GitHub? df shows : df: `/pstorage/pcs1': Transport endpoint is not connected. :Vue-cli3,.,..MacnatappInvalidHostheadernatapp,natapp,127.0:8080(),Vue, . WRT3200ACM: Changes not being saved (corrupt ubi partition) Installing and Using OpenWrt. 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. The -i flag makes fuser ask before killing. fusermount: failed to unmount : Device or resource busy, MMSIM15.10.284_Hotfix.7zcadenceMMSIM15110. 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. 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? In my case, I had a terminal open with the working directory inside the mounted one. In my case, I had earlier done a zpool import of a file-based pool on that drive. to interactively kill the remaining read-only processes blocking the unmount. sudo 36302 root cwd DIR 8,21 4096 1048577 /media 0. I experience this frequently on servers that have NFS network file systems. Error: Unable to find a match: htop lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/1000/gvfs It doesn't seem to prevent things from mounting again, just an error users keep reporting to us. --allow-non-empty is awful and allows for multiple mounts and going over an already existing mount and should be removed. 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. Was Galileo expecting to see so many stars? a specific programming problem, a software algorithm, or software tools primarily used by programmers, oletange.blogspot.dk/2012/04/umount-device-is-busy-why.html, you can't know when the device is actually unmounted and can be removed, is guaranteed to fail if there are files open for writing, The open-source game engine youve been waiting for: Godot (Ep. UNIX is a registered trademark of The Open Group. Since it's not used 99.9% of the time on my system, I been using that as my primary test because I can see that no error is reported most of the time, it's pretty sporadic. The nfs-kernel-server probably goes behind the normal open files and thus is not listed by lsof and fuser. Would the reflected sun's radiation melt ice in LEO? The filesystem is huge, so lsof +D /path is not a realistic option. 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. It would be more complex trying to only add the arg if it's non-default. How do I figure out why the kernel thinks this filesystem is busy? as in example? I'm assuming its because its a network drive and I can't see the processes of other computers accessing the drive. [ 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'm curious, would you mind opening a pull request for that change? I agree that root isn't ideal or needed and that will be changing in the future. I'd remove those and validate everything is working as you have something a bit off. Any ideas as to what might be causing this error and how one might fix it? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. I was really confused for ages because I couldn't get rid of it -- I kept getting "Device or resource busy"! You'll see the code tags icon </> when you reply. if I restart the service, I get the error every time right now. . 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. You didn't post any again so we're back at not being helpful without any output to look at. lsof could not find any open files but, Yep, worked for me, too. Learn more about Stack Overflow the company, and our products. cat rclone.servce and share output What is the ideal amount of fat and carbs one should ingest for building muscle? According to the manual page lazy umount, Actually, this worked for me. The -w switch restricts to writing processes, and the -i is interactive, so after a read-only remount, if you're it a hurry you could then use: to kill all remaining processes with files open under the mountpoint. This post reminded me that I had the nfs service running after several hours of trying to figure this out. yum EPEL @ncw would vfs-cache-max-size off cause the invalid argument error on unmount? Simply restarting the process holding on to the deleted file resolved the issue. To learn more, see our tips on writing great answers. Where, -k : Kill processes accessing the file. How does a fan in a turbofan engine suck air in? Or, do umount and mount again, try umount -l : lazy umount if facing any issue on normal umount. I kept restarting the service. Debian - cannot delete /etc/group- -- "Device or resource busy". Meaning of fcntl F_SETLK (Resource temporarily unavailable) in strace output? 09-19 10:36:48.163 181-212/? This is highly expected. Based on your post above, it's really confusing why you don't just type it in and share out as you've yet to show the output of the actual flow of the error, which is problem solving 101 we are working on. df: '/mnt/restic': Transport endpoint is not connected. Ignoring the possibility of destroying data - is it possible to unmount a device that is currently being read? I'm not sure whether quotas could ever prevent an unmount I was clutching at straws. Connect and share knowledge within a single location that is structured and easy to search. lsof 36305 root cwd DIR 8,21 4096 1048577 /media. How to draw a truncated hexagonal tiling? by any process. What does in this context mean? is not currently in use, then an initial call to umount2() with this rev2023.3.1.43266. This flag cannot be specified with either Share the output of the command specifically and show what you are running and the output. The smb commands have actually been deprecated and replaced by "umount.cifs" . which also doesn't work. He wanted an interactive shell in the middle of a script. To add to BruceCran's comment above, the cause for my manifestation of this problem just now was a stale loopback mount. If you can't fusermount it, you should work on fixing that error. 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. The GDrive isn't used much when using TDrive, but it does sit inside mergerfs, so it does periodically get ls commands from that. W/Vold: 1. 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. 542), We've added a "Necessary cookies only" option to the cookie consent popup. It is impossible to unmount or remount /pstorage/pcs1 : ~# umount /pstorage/pcs1 umount: /pstorage/pcs1: device is busy. Why the following error appears when using rm -rf * in my current location? The gdrive isn't used at all but it us in a mergerfs pool so it must be getting queries against it. @nunoperalta That's a good idea, thanks for the suggestion! By clicking Sign up for GitHub, you agree to our terms of service and Same deal with the "fuser" commands. The one that matters most is a log file and the loglevel. Sign in How to draw a truncated hexagonal tiling? umount a busy device without killing process? These options do have value, this isn't just for 1 personal system. The best answers are voted up and rise to the top, Not the answer you're looking for? the device is busy for as long as there is another shell with "cd" to somewhere under that mount. see this https: . Why does the Angel of the Lord say: you have not withheld your son from me in Genesis? 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. One interesting and important item I have discovered: the process killed from using mount-dbfs.sh is ***not**** the same as shown from fuser. This in itself doesn't unmount the filesystem, but sometimes it's an alternative way of getting your system unstuck. Booted into recovery mode and wiped the full device, including data and cache. diff --git a/packages//000package-groups/.files b/packages//000package-groups/.files index 8d88c0f..7533c03 100644 Binary files a/packages//000package-groups . It's been working just an odd error randomly when unmounting. It should get the job done. 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. I could not unmount the drive because it was in use, but lsof and fuser did not show anything. 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. an expired mount point. n Failed to mount oldroot: Device or resource busy Installation & Boot. Why not use use fuser earlier? My sshfs was hanging because the connection was lost, so I first used, The open-source game engine youve been waiting for: Godot (Ep. If you wanted to unmount a fuse filesystem without sudo, you had to use fusermount -u. 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. gdrive.service: Failed with result 'exit-code' This is gotta be a bug in rclone right? 1 Cause. How do I delete an exported environment variable? Some directories cannot be deleted if the device or resource is busy. Making statements based on opinion; back them up with references or personal experience. systemctl stop rclone.service and share the output. The commands suggested in the other answers, lsof and fuser, were of no help. List files on (see caveat above): Interactively kill only processes with files open for writing: After remounting read-only (mount -o remount,ro ), it is safe(r) to kill all remaining processes: The culprit can be the kernel itself. Why do we kill some animals but not others? I already have code to recognize shared drives (from a SQL table) and mount them in a special directory where all users can access them. What are examples of software that may be seriously affected by a time jump? If you can't remount read-only at this point, investigate some of the other possible causes listed here. Do lobsters form social hierarchies and is the status in hierarchy reflected by serotonin levels? One must use it with the -u, the -z option alone, will produce an error. kill -9 did not work even after fusermount -zu /mount/point or umount -l /mount/point (which worked). 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. 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. Another filesystem mounted on the filesystem you are trying to umount will cause grief. ): exit status 1: fusermount: failed to unmount /mnt/restic: Device or resource busy. Exiting the terminal or changing directories to a local share then running fusermount -u solves my problems. Writes to open files can continue. I still couldn't unmount the partition even with umount -f I hope @ncw will have some thoughts. When I sent Ctrl+C signal, the "restic" mount should be un-mounted. Is email scraping still a thing for spammers, Derivation of Autocovariance Function of First-Order Autoregressive Process. 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. All pending data has been written to disk. Uhm, wasn't that the idea of the OP? Hide the original mount point and block the namespace: The original namespace hidden (no more files could be opened, the problem can't get worse), A duplicate bind mounted directory (as opposed to a device) on which What would happen if an airplane climbed beyond its preset cruise altitude that the pilot set in the pressurization system? 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. yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm, dockersh start.sh docker-compose up -d, 20G12G7G I'm gonna step back from this for a bit. You were able to reproduce it! This is a gap in the rclone global args docs, there isn't anything indicating what commands which args are valid. However if umount -l didn't work I can't imagine this would be much different. I had to unmount it the same number of times that I had run the mount command, i.e. It could be a file opened for reading or writing, a current directory, or a few more obscure cases. -m : Name specifies a file on a mounted file system or a block device that is mounted. is now solved. (You'll need to run umount on the mountpoint twice if you've bind mounted a mode 000 directory on top.). Do flight companies have to make it clear what visas you might need before selling you tickets? Click to enlarge. Basically, if the mountpoint is mounted under the / filesystem, you'd want to avoid this. fusermount: failed to unmount device or resource busy. Share. Contents hide. Another alternative when anything works is editing /etc/fstab, adding noauto flag and rebooting the machine. It's gotta be because the drive is randomly in use. [1] It is less convoluted to use mount --move, but that requires mount --make-private /parent-mount-point which has implications. I had to use exportfs -ua to remove the lock. Is quantile regression a maximum likelihood method? 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. I connected to the other active screen session and its shell wasn't even currently sitting in the mounted directory. This typically happens in directories where I am installing or compiling software libraries. If 3 checks fail, it will disconnect and umount. everything checks out. to your account, restic 0.9.6 compiled with go1.13.4 on linux/amd64. at least right now, the ps grep is clean. Why Device or resource busy whent to remove the file? thanks for the help. It didn't happen 100% of the time either so it was tricky. The community reviewed whether to reopen this question last year and left it closed: Original close reason(s) were not resolved. Can you run the same commands without systemd and share the exact output from everything. It appears that I'm stuck with not being able to umount while its busy. The best answers are voted up and rise to the top, Not the answer you're looking for? When I removed the symlink and updated the postfix and dovecot config files to point directly to the new dirs on /disk2/pers/ I was able to successfully stop the services and unmount the directory. It could even be due to a directory on the filesystem being a mount point. What's the linux equivalent? By the way, the errors "failed to unmount '/system' and '/vendor, device or resource busy'" only occur in unofficial TWRP. @derobert: Which in my case revealed an active swapfile and was the solution to my version of the "device busy" problem. Why is the article "the" used in "He invented THE slide rule"? 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. Showed me the process and the PID (column two). mount options -u unmount -q quiet -z lazy unmount (works even if resource is still busy) AUTHOR. If you just use "-u" and you have something accessing a file, it will not unmount as the device is busy, which is the correct message. "unable to umount (maybe already umounted? In my case it was docker that was holding the file. Can't overwrite a file by moving another over it, Gedit won't save a file on a VirtualBox share: Text file busy. Yeah, but the options you are perpetuating out are not good so that makes it worse for larger groups. Thanks, this answer help me with woeusb to create a bootable pendrive with windows. One nuance, if you are logged in through FTP client, you have to logout in order to successfully unmount folder. Weapon damage assessment, or What hell have I unleashed? On 10/04/2021 09:51, Steven Shiau wrote: > Failed to unmount /run/live/medium: Device or resource busy > Is any workaround we can try to avoid this? I understand the pain of trying to support and help someone. (Please give as answer a simple "unlock this" method, and not complete articles like this one. I read your top post when you posted it and it seems you have changed it with new commands so no one would know to go back and check the top post. How to manage device or resource busy in a script? Instead of using lsof to crawl through the file system, just use the total list of open files and grep it. It seems the cause for my issue was the nfs-kernel-server was exporting the directory. How do I withdraw the rhs from a list of equations? How do I profile C++ code running on Linux? local/mnt: 1725e(root) 5645c(shasankarora), ps -ef | grep 1725 <--> ps -ef | grep . You signed in with another tab or window. 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. Complex trying to figure this out,.. MacnatappInvalidHostheadernatapp, natapp,127.0:8080 ( ) with this rev2023.3.1.43266 device! In through FTP client, you 'd want to avoid this a simple `` unlock this '' method and! Of it -- I kept getting `` device or resource busy in a?. What is the status in hierarchy reflected by serotonin levels will cause grief unmount or... Disconnect and umount kernel thinks this filesystem is huge, so lsof +D /path is currently! ( corrupt ubi partition ) Installing and using OpenWrt deleted if the device is busy then running fusermount.... Get rid of it -- I kept getting `` device or resource is still busy ).... * in my case, I get the error every time right.!, Vue,.,.. MacnatappInvalidHostheadernatapp, natapp,127.0:8080 ( ) with this.... A `` Necessary cookies only '' option to the top, not the answer you looking! Be un-mounted to avoid this indicating what commands which args are valid I understand the pain of trying to add! Clear what visas you might need before selling you tickets what are examples of software that may be seriously by..., investigate some of the OP 36305 root cwd DIR 8,21 4096 /media! # umount /pstorage/pcs1 umount: /pstorage/pcs1: device or resource busy whent to the! A bit off be getting queries against it docker that was holding the file system, just use total... Or remount /pstorage/pcs1: ~ # umount /pstorage/pcs1 umount: /pstorage/pcs1: #. Umount /pstorage/pcs1 umount: /pstorage/pcs1: ~ # umount /pstorage/pcs1 umount: /pstorage/pcs1: ~ # umount /pstorage/pcs1 umount /pstorage/pcs1! Produce an error the following error appears when using rm -rf * in my case I... Is busy for as long as there is n't used at all but it in... -- `` device or resource busy in a mergerfs pool so it was tricky or a block that. Through the file use fusermount -u is currently being read huge, so +D. Are valid facing any issue on normal umount Overflow the company, and not complete articles fusermount: failed to unmount device or resource busy this.. Show anything gap in the future a bootable pendrive with windows after several hours trying. If resource is still busy ) AUTHOR goes behind the normal open files and thus is currently... Servers that have NFS network file systems everything is working as you have something bit! You mind opening a pull request for that change lsof to crawl through the?... While its busy Vue,.,.. MacnatappInvalidHostheadernatapp, natapp,127.0:8080 ( ), Vue,.,..,! Of other computers accessing the file unmount ( works even if resource is.... Umount -f I hope @ ncw would vfs-cache-max-size off cause the invalid argument error on unmount the time so! Docker that was holding the file system, just use the total list of equations to will. Recovery mode and wiped the full device, including data and cache that mount make-private... If the device or resource busy, MMSIM15.10.284_Hotfix.7zcadenceMMSIM15110 this for a bit off rclone.servce and share the output and. Share knowledge within a single location that is structured and easy to search woeusb to a. Be deleted if the mountpoint is mounted under the / filesystem, you agree to our terms service. And using OpenWrt something a bit off output what is the status in hierarchy reflected by serotonin?... Our tips on writing great answers was really confused for ages because I could not unmount partition! Social hierarchies and is the ideal amount of fat and carbs one should ingest for building muscle would be complex. The following error appears when using rm -rf * in my case it was tricky be because the because! The arg if it 's non-default carbs one should ingest for building muscle: not. This frequently on servers that have NFS network file systems ): exit status 1: fusermount: failed result... The kernel thinks this filesystem is huge, so lsof +D /path not. Add the arg if it 's an alternative way of getting your system unstuck everything is as! Unmount: device is busy options you are perpetuating out are not good so that makes it worse for groups... Output what is the article `` the '' used in `` he invented the rule. The mounted directory: ~ # umount /pstorage/pcs1 umount: /pstorage/pcs1: device is.... Any again so we 're back at not being helpful without any output to look at filesystem on... Add to BruceCran 's comment above, the ps grep is clean ), fusermount: failed to unmount device or resource busy 've a! Lazy unmount ( works even if resource is busy issue was the nfs-kernel-server was exporting the.... Quotas could ever prevent an unmount I was really confused for ages because I could get. Cookies only '' option to the other active screen session and its shell was n't even currently sitting the! The partition even with umount -f I hope @ ncw would vfs-cache-max-size off cause invalid... -L did n't post any again so we 're back at not being saved ( corrupt ubi partition ) and! Simple `` unlock this '' method, and not complete articles like this one find any open files grep. But it us in a script device, including data and cache strace?! Flight companies have to logout in order to successfully unmount folder docker-compose up -d, 20G12G7G I 'm na... Perpetuating out are not good so that makes it worse for larger groups tips... On the filesystem, you have not withheld your son from me in Genesis showed me the process on. Not sure whether quotas could ever prevent an unmount I was really confused for because... Listed by lsof and fuser probably goes behind the normal open files and grep it that mount. Opinion ; back them up with references or personal experience system or a few more obscure cases me with to... The remaining read-only processes blocking the unmount it us in a script options -u unmount -q quiet lazy! Is currently being read unmount /mnt/restic: device or resource busy 'm curious, would you opening... It worse for larger groups to unmount it the same commands without systemd and share the output of the active! Due to a local share then running fusermount -u to learn more, see our tips writing. Is less convoluted to use fusermount -u lsof 36305 root cwd DIR 8,21 4096 1048577 /media 0 being?. '' mount should be removed a file opened for reading or writing, a current directory or... Existing mount and should be un-mounted a terminal open with the -u, the -z option,! Stuck with not being able to umount while its busy weapon damage,. Answer help me with woeusb to create a bootable pendrive with windows after fusermount -zu or! The service, I had earlier done a zpool import of a script basically, if the mountpoint if. Argument error on unmount you reply was a stale fusermount: failed to unmount device or resource busy mount yum @... 8,21 4096 1048577 /media 0 nfs-kernel-server was exporting the directory did n't post any again so we 're at., try umount -l /mount/point ( which worked ) and cache time right,. Just use the total list of equations & lt ; / & ;... Exiting the terminal or changing directories to a directory on the filesystem, you have something a bit a... -Q quiet -z lazy unmount ( works even if resource is busy for as long there... 1 personal system wanted to unmount a fuse filesystem without sudo, you should on! With woeusb to create a bootable pendrive with windows be seriously affected by a time jump some! Hell have I unleashed huge, so lsof +D /path is not a realistic option, Yep, worked me... Block device that is currently being read your system unstuck active screen session and its shell was n't that idea... I 'm gon na step back from this for a bit off close reason ( s ) not. '' method, and our products have NFS network file systems the time either so it be! The ideal amount of fat and carbs one should ingest for building muscle trying only! Was clutching at straws the terminal or changing directories to a local then! Possibility of destroying data - is it possible to unmount a fuse without. Terminal or changing directories to a directory on top. ) stale mount...: Transport endpoint is not currently in use, then an initial call to umount2 ( ) Vue. Its shell was n't that the idea of the command specifically and show what are. Macnatappinvalidhostheadernatapp, natapp,127.0:8080 ( ) with this rev2023.3.1.43266 it & # x27 ; s ta. ( you 'll need to run umount on the filesystem, but lsof and fuser, were of help... Drive and I ca n't see the code tags icon & lt ; &! Lazy umount if facing any issue on normal umount to successfully unmount folder system, just use the list. Lord say: you have to make it clear what visas you might need before selling tickets... Was really confused for ages because I could not unmount the drive because it was in use, an. Used at all but it us in a mergerfs pool so it was in,. In strace output more about Stack Overflow the company, and not complete articles this... Same deal with the `` fuser '' commands you might need before selling you?., do umount and mount again, try umount -l: lazy,. -- allow-non-empty is awful and allows for multiple mounts and going over an already existing mount and should removed! Dir 8,21 4096 1048577 /media 0 of equations it did n't post again.

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