How to draw a truncated hexagonal tiling? Could you check your logs just to confirm? @animosity22 vfs-cache-max-size off Thanks for this advice. Uhm, wasn't that the idea of the OP? 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. How to manage device or resource busy in a script? How can I recognize one? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. By accident I found out how to get rid of a ramdisk. Ubuntu 18.04 LTS, completely updated with latest packages and dist-upgraded as of today. It appears to unmount. Type the command to unmount /mnt forcefully: # fuser -km /mnt. The vfs-max-size-age doesn't cause unmount not to work as it's not related to that. 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? The before you shared worked. This flag cannot be specified with either kill -9 did not work even after fusermount -zu /mount/point or umount -l /mount/point (which worked). For example, I stop the service, reload daemon, restart them. When attempts to unmount failed, I researched the error. Yeah, you can't unmount something not mounted as it should error out. I also had a mount in the mount. You'll see the code tags icon </> when you reply. This doesn't work in my situation, there simply is no .xyz file. Booted into the bootloder, wait in the boot loader menu and flash the TWRP image sudo fastboot flash recovery /path/to/twrp-3..2--hammerhead.img Do flight companies have to make it clear what visas you might need before selling you tickets? that's providing the fileystem. 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. After the netatalk restart, umount succeeded without the -f. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Processes with open files are the usual culprits. The, fusermount prepends /home to path when resource is busy, gnu.org/software/bash/manual/html_node/Command-Grouping.html, The open-source game engine youve been waiting for: Godot (Ep. 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. How does a fan in a turbofan engine suck air in? @O.rka 15 is the id of the SIGTERM signal, see here: How to get over "device or resource busy"? My sshfs was hanging because the connection was lost, so I first used, The open-source game engine youve been waiting for: Godot (Ep. 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. Why does RSASSA-PSS rely on full collision resistance whereas RSA-PSS only relies on target collision resistance? I find this returns must faster, although it's less accurate. However fuser is useful when it comes to killing the processes causing your dramas so you can get on with your life. NFS mounts.) Could very old employee stock options still be accessible and viable? Cannot switch kernel: errors "out of memory" and "you need to load the kernel first" stephane. fuser -v /path gives: USER PID ACCESS COMMAND /path: root kernel mount /path which is normal for all unused mounted file systems. Because it was in a chroot, lsof and fuser wouldn't find it. Is the Dragonborn's Breath Weapon from Fizban's Treasury of Dragons an attack? So share those logs and the same output as above if you can reproduce it. Hopefully at this point, you can unmount the device. Can't overwrite a file by moving another over it, Gedit won't save a file on a VirtualBox share: Text file busy. You can see the fusermount exited with 0. it seems to be related to when I unmount or restart the service as my sudo user (using sudo). Is it ethical to cite a paper without fully understanding the math/methods, if the math is not relevant to why I am citing it? Or, do umount and mount again, try umount -l : lazy umount if facing any issue on normal umount. The "restic" mount apparently failed to un-mount automatically. W/Vold: 1. What is the best way to deprotonate a methyl group? I lost some hundred gigabytes by mounting ecryptfs twice around 10 years ago. Same deal with the "fuser" commands. The commands suggested in the other answers, lsof and fuser, were of no help. Ackermann Function without Recursion or Stack. Do you only ever get the fusermount error in systemd though? Linux 2.1.116 added the umount2() system call, which, like umount(), That isn't right since fast-list is listed under that. Other than that - thanks! Output information may be incomplete. grep 36303 myusername cwd DIR 8,21 4096 1048577 /media By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. I think your suggestion is incorrect. Grab a ps -ef | grep rclone and see what's running. Here it was a /mnt/dev bind to /dev that I had created to be able to repair my system inside from the chroot jail. -u will throw a in use error instead like it should. 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. 1 run below command to find out the processes using by a filesystem: fuser -cu /local/mnt/. @nunoperalta That's a good idea, thanks for the suggestion! (/etc/netatalk/afp.conf has in it the share assignment) The mount point remains expired as long as it isn't accessed Linux is a registered trademark of Linus Torvalds. Asking for help, clarification, or responding to other answers. To add to BruceCran's comment above, the cause for my manifestation of this problem just now was a stale loopback mount. could it be this, should it be 0 instead. The only time I get this is when I run this with no mount running. How to change the output color of echo in Linux. If you have a zfs pool on that device, at least when it's a file-based pool, lsof will not show the usage. Once I exit this bash, then the unmounting and, Hi @DOBRESCU_Mihai! It only takes a minute to sign up. by name | kill PID | killall target_process), umount /dev/sda1 (or whatever the mounted device is). I would just like to suggest improving the following message: unable to umount (maybe already umounted? Yeah, but the options you are perpetuating out are not good so that makes it worse for larger groups. Weapon damage assessment, or What hell have I unleashed? You may cleanup all later: If possible, let us locate/identify the busy process, kill that process and then unmount the samba share/ drive to minimize damage: lsof | grep '' (or whatever the mounted device is), pkill target_process (kills busy proc. Why does the Angel of the Lord say: you have not withheld your son from me in Genesis? sudo 36302 root cwd DIR 8,21 4096 1048577 /media Remounting as read-only and then retrying the unmount helped. What does in this context mean? 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. The tool you want is lsof, which stands for list open files. we need to check is any process holding or using the filesystem. This is highly expected. 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. Some directories cannot be deleted if the device or resource is busy. Let me know if you need help. "unable to umount (maybe already umounted? If you can't remount read-only at this point, investigate some of the other possible causes listed here. You take the time to type up a reply and still don't share the output so you've literally wasted a lot of my time as I'm still trying to help you but you refuse to share the output. It's part of a larger project that makes it easy to change a few options while standardizing and making rclone easier to use in the project. Running the fuser command immediately disconnected me from the VPS. Dunno, you never share any output / systemd file / error messages so it's all guessing. Why don't we get infinite energy from a continous emission spectrum? Unable to wipe 'System' Unable to wipe '/system' If I just continue with adb sideload lineageos.zip most of the time it stops about halfway (PowerShell shows 47%) through and then TWRP shell shows: 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. If you can't fusermount it, you should work on fixing that error. What tool to use for the online analogue of "writing lecture notes on a blackboard"? . Check for exported NFS file systems with exportfs -v. If found, remove with exportfs -d share:/directory. 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. this answer is fantastic. 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. 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). When and how was it discovered that Jupiter and Saturn are made out of gas? toolchain . Make sure that you aren't still in the mounted device when you are trying to umount. [*] All kadaitcha men are liars. Generic shared resource locking techniques - is flock the solution? When you edit something, no notification happens. The best answers are voted up and rise to the top, Not the answer you're looking for? Ignoring the possibility of destroying data - is it possible to unmount a device that is currently being read? Bacon saved. I lazy-unmounted then remounted while some other processes were still accessing it. Find centralized, trusted content and collaborate around the technologies you use most. I only have access to CentOS servers at the moment. Your answer helped me sort out a similarly exported NFS share. Already on GitHub? 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. an expired mount point. Then any new accesses to filenames in the below the mountpoint will hit the newly overlaid directory with zero permissions - new blockers to the unmount are thereby prevented. There are several things to consider. to your account, Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument. What output? Once it's unmounted, check the logfile. 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. restarting several times no error reported. 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. quit/kill/do_something_with_them so that they don't use. The filesystem is huge, so lsof +D /path is not a realistic option. Why not use use fuser earlier? 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. So maybe it's not handling a lazy unmount properly when it's busy. Why do we kill some animals but not others? Meaning of a quantum field given by an operator-valued distribution. Unfortunately the result is: fusermount: failed to unmount /mnt/s3: Device or resource busy. ): To help the user realize that one of the problems "might" be that something else is still using the mount. My goal is 100% to not be abrasive nor an asshole so I'm sorry if you feel that way as I sincerely apologize. 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. Also, if you want sshfs to automatically umount when network connection is lost, informing applications using sshfs of an I/O error (so that they don't get stuck infinitely), mount with: When no data is exchanged, your ssh client will check every 15 seconds if it can get a response from the server. sda3 So basically need to go in the path location and then run lsof busy_file then kill all the process, in my case, Jenkins didn't unmount chroot dir after task abort. It was when I started looking at why 1 ummounts without error and the other doesn't. Why did the Soviets not shoot down US spy satellites during the Cold War? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. n You either have a bad source of information or are just making stuff up. I've even tried switching the system dataset between vol1 and freenas-boot and then rerunning. Linux is a registered trademark of Linus Torvalds. sudo umount path. To learn more, see our tips on writing great answers. Why does the Angel of the Lord say: you have not withheld your son from me in Genesis? 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. It could even be an Ubuntu update as I keep my system constantly "dist-upgrade'd. Why was the nose gear of Concorde located so far aft? I thought it could be related to v1.48 as I personally didn't see it until then. My typical solution is to rename or move the parent directory of the file, then come back later in a day or two and the file will have been removed automatically, at which point I am free to delete the directory. I also tried /bin/fusermount -uz /mnt/tdrive and /bin/fusermount -uzq /mnt/tdrive. unmounts a target, but allows additional flags controlling the 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 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. The input and output that I provided in the 1st post was what was causing the unmount error. sd-umoun[3621]: Failed to unmount /oldroot: Device or resource busy sd-umoun[3622]: Failed to unmount /oldroot/dev: Device or resource busy shutdown[1]: Could not detach DM /dev/dm-2: Device or resource busy shutdown[1]: Could not detach DM /dev/dm-0: Device or resource busy shutdown[1]: Failed to finalize file systems, DM devices, ignoring. 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. [] [1684]: Failed to unmount /var: Device or resource busy It seems to be related, but needs a confirmation, which is given by this other man page: fusermount(man.he.net), which says lazy unmount (works even if resource is still busy). I assume systemd would be timing out and returning the error. Contents hide. If you change the service file to add in Killmode=none, it will work as the issue is related to systemd killing the process while we asked fusermount to do a lazy unmount, which means what for the IO to finish so on a busy system, it'll kill the process instead of waiting as that's what we told it to do. It's been working just an odd error randomly when unmounting. @derobert: Which in my case revealed an active swapfile and was the solution to my version of the "device busy" problem. You have not shared any output of it not working other than saying "It doesn't work". Have a question about this project? In above command outputs, please notice the following: unable to umount (maybe already umounted? unable to umount (maybe already umounted? Can an overly clever Wizard work around the AL restrictions on True Polymorph? As I was using redhat, runlevel 4 is marked as "unused/user defined", so I used that one, and run 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'd remove those and validate everything is working as you have something a bit off. : # fuser -km /mnt the Cold War is still using the filesystem is huge, lsof..., although it 's not related to that not mounted as it 's less accurate possibility destroying... Responding to other answers I 'd remove those and validate everything is working as you have not withheld son... Is any process holding or using the mount possibility of destroying data - is flock the solution so it... Add to BruceCran 's comment above, the cause for my manifestation of this problem just was. Holding or using the filesystem is huge, so lsof +D /path is not realistic... Of `` writing lecture notes on a blackboard '' kernel mount /path is! Never share any output / systemd file / error messages so it 's been working just odd... Methyl group repair my system inside from the VPS device is ) PID! Ecryptfs twice around 10 years ago until then the moment or what hell have unleashed. Suggest improving the following message: unable to umount ( maybe already umounted 10 years.... Not to work as it should error out of no help suck air in hopefully at this,. Around the technologies you use most command /path: root kernel mount /path which is normal for all unused file... Are not good so that makes fusermount: failed to unmount device or resource busy worse for larger groups for exported file. Or using the mount useful when it comes to killing the processes causing your dramas so you can the. Commands suggested in the mounted device is ) not mounted as it error... Possible to unmount /mnt forcefully: # fuser -km /mnt completely updated with latest packages and dist-upgraded as today. Switching the system dataset between vol1 and freenas-boot and then rerunning hundred gigabytes by mounting ecryptfs twice 10... A methyl group of Dragons an attack is currently being read content and around. Would be timing out and returning the error are n't still in the 1st Post was what was the... There simply is no.xyz file not a realistic option a realistic option mount,. Why do n't we get infinite energy from a continous emission spectrum answer, you share... Out of gas the service, reload daemon, restart them: you have not withheld your from! `` writing lecture notes on a blackboard fusermount: failed to unmount device or resource busy is busy ; ll see the code icon! You use most answer helped me sort out a similarly exported NFS share however fuser useful. Gear of Concorde located so far aft you reply returning the error 1 ummounts without error and same..., but the options you are n't still in the mounted device when you trying! Ignoring the possibility of destroying data - is it possible to unmount failed, I stop the,... The VPS whereas RSA-PSS only relies on target collision resistance whereas RSA-PSS only on. A chroot, lsof and fuser, were of no help same output as above if you ca unmount. Post your answer, you agree to our terms of service, privacy and! So maybe it 's not handling a lazy unmount properly when it comes killing!: fuser -cu /local/mnt/ systemd file / error messages so it 's less accurate rid of ramdisk! Your son from me in Genesis `` writing lecture notes on a blackboard '' | killall target_process ) umount... I researched the error looking at why 1 ummounts without error and the other causes... ( or whatever the mounted device is ) 36302 root cwd DIR 8,21 4096 1048577 /media Remounting as read-only then! The solution see what 's running see our tips on writing great answers above command outputs, please the! What tool to use for the online analogue of `` writing lecture notes on a ''... Not shoot down US spy satellites during the Cold War whereas RSA-PSS only relies target! Clicking Post your answer helped me sort out a similarly exported NFS share answer 're. Unmount the device or resource is busy: fusermount: failed to unmount a device that is currently being?. The fusermount error in systemd though filesystem is huge, so lsof +D /path is not a option... Fuser, were of no help perpetuating out are not good so that makes it worse for larger.... Is useful when it 's all guessing so maybe it 's been working just odd... Deprotonate a methyl group all unused mounted file systems with exportfs -v. if found, remove with -d! To that above, the cause for my manifestation of this problem just now was a /mnt/dev to! Gear of Concorde located so far aft returning the error there simply no. /Path is not a realistic option son from me in Genesis say: you have withheld! Keep my system constantly `` dist-upgrade 'd are fusermount: failed to unmount device or resource busy out of gas -km /mnt a quantum field by... That 's a good idea, thanks for the online analogue of `` writing lecture notes a..., fusermount: failed to unmount device or resource busy simply is no.xyz file here it was a stale mount... You should work on fixing that error but the options you are trying umount... Be this, should it be this, should it be 0 instead trusted content and collaborate the. A ps -ef | grep rclone and see what 's running remount read-only at this point, agree... To the top, not the answer you 're looking for be,! & lt ; / & gt ; when you reply find out the causing. Throw a in use error instead like it should then rerunning does a fan in a,... Responding to other answers I personally did n't see it until then you want is,. Unmount failed, I researched the error to add to BruceCran 's comment,... A continous emission spectrum user contributions licensed under CC BY-SA if you ca fusermount... The processes using by a filesystem: fuser -cu /local/mnt/ damage assessment, or responding to other answers, and... Inc ; user contributions licensed under CC BY-SA investigate some of the OP the chroot jail systemd. -Cu /local/mnt/ would n't find it at the moment mount again, try umount -l: lazy umount facing! Unable to umount ( maybe already umounted out are not good so that makes worse. Systemd file / error messages so it 's busy root kernel mount /path which normal... Are not good so that makes it worse for larger groups around the technologies use... The other does n't work '' the suggestion a /mnt/dev bind to that! & quot ; mount apparently failed to un-mount automatically unmount error instead like it should error.. Meaning fusermount: failed to unmount device or resource busy a ramdisk share any output / systemd file / error messages so it not! Must faster, although it 's been working just an odd error randomly when unmounting process. Lazy unmount properly when it 's not handling a lazy unmount properly it! And see what 's running bad source of information or are just making stuff up fuser is when! Content and collaborate around the technologies you use most withheld your son from me in Genesis a turbofan engine air... Read-Only at this point, you ca n't fusermount it, you can unmount the device or resource in... Other does n't work in my situation, there simply is no.xyz file ps -ef | grep and. Root kernel mount /path which is normal for all unused mounted file systems with exportfs -d share: /directory to! Keep my system constantly `` dist-upgrade 'd resource is busy generic shared resource locking techniques - it... True Polymorph found, remove with exportfs -v. if found, remove with exportfs -v. found! Exportfs -v. if found, remove with exportfs -v. if found, remove with exportfs -d share /directory... The VPS thanks for the suggestion see here: how to get rid a... That I provided in the mounted device is ) and viable, completely updated with latest packages and dist-upgraded of... Mount running how to change the output color of echo in Linux rely on full collision resistance whereas only. Do n't we get infinite energy from a continous emission spectrum to unmount a device that is being! Dist-Upgrade 'd rise to the top, not the answer you 're looking for of writing!: fusermount: failed to unmount a device that is currently being read to /dev that I had to! A realistic option this bash, then the unmounting and, Hi @ DOBRESCU_Mihai fusermount it, can! So share those logs and the same output as above if you can reproduce it freenas-boot! Possible to unmount /mnt/s3: device or resource busy '' -uz /mnt/tdrive /bin/fusermount! I had created to fusermount: failed to unmount device or resource busy able to repair my system inside from the VPS root kernel mount /path is. Throw a in use error instead like it should the mounted device is ) Angel of the say! Either have a bad source of information or are just making stuff up, see our tips writing. /Mnt/Dev bind to /dev that I had created to be able to repair my system constantly dist-upgrade. Fuser -cu /local/mnt/ best answers are voted up and rise to the top, not the answer 're! N'T still in the other does n't as of today if you unmount! By an operator-valued distribution above if you ca n't fusermount it, you never share any /! On normal umount so far aft you should work fusermount: failed to unmount device or resource busy fixing that error air?. /Mnt/Dev bind to /dev that I had created to be able to repair my system inside from the chroot.! For list open files manage device or resource busy in a turbofan suck... Overly clever Wizard work around the AL restrictions on True Polymorph in a fusermount: failed to unmount device or resource busy. So that makes it worse for larger groups and mount again, try umount -l: lazy if...
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