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). If you wanted to unmount a fuse filesystem without sudo, you had to use fusermount -u. Learn more about Stack Overflow the company, and our products. Temporarily duplicate the mountpoint with. So I guess it depends on what you want to do. 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. Browse other questions tagged. 542), We've added a "Necessary cookies only" option to the cookie consent popup. sda3 Interestingly, rmdir then gives this message: showing that $dir still has the value of /tmp/tmp.xxxxxxxxxx. 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. See here and here for other causes and their remedies. see this https: . is there a chinese version of ex. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. 1 In the meantime, this is how you can try and reproduce. For example, I stop the service, reload daemon, restart them. lsof: WARNING: can't stat() fuse file system /run/user/1000/doc So far I've found that any form of umount does not work. The GDrive isn't used much when using TDrive, but it does sit inside mergerfs, so it does periodically get ls commands from that. 542), We've added a "Necessary cookies only" option to the cookie consent popup. 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. The mounts have disappeared from the mtab and now the OS refuses to unmount them. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. I still couldn't unmount the partition even with umount -f I lazy-unmounted then remounted while some other processes were still accessing it. lsof and fuser didn't give me anything either. That will recurse through the filesystem under /path, so beware doing it on large directory trees. 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. Open files aren't the only unmount blocker. The best answers are voted up and rise to the top, Not the answer you're looking for? It would generate an error if not mounted. The mount point remains expired as long as it isn't accessed Contents hide. OP expressely stated that his current working directory was. Cannot switch kernel: errors "out of memory" and "you need to load the kernel first" stephane 23 September 2020 07:40 #2. see this . Already on GitHub? You may be feeling lucky, punk! 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). Was Galileo expecting to see so many stars? The best answers are voted up and rise to the top, Not the answer you're looking for? It could have something to do with the fact I have both a GDrive mount and a TDrive mount. So share those logs and the same output as above if you can reproduce it. Output information may be incomplete. Running the fuser command immediately disconnected me from the VPS. 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. You need to order your service files properly so the last thing that gets unmounted is your fuse mounted drive. 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. 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. You could also use. Learn more about Stack Overflow the company, and our products. ): %v. Why not use use fuser earlier? That doesn't return anything. 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 I want to unmount it so that I can remount it with the mp_umask flag so that chroot will work properly. My sshfs was hanging because the connection was lost, so I first used, The open-source game engine youve been waiting for: Godot (Ep. grep 36303 myusername cwd DIR 8,21 4096 1048577 /media to run. Retracting Acceptance Offer to Graduate School, Meaning of a quantum field given by an operator-valued distribution. Another alternative when anything works is editing /etc/fstab, adding noauto flag and rebooting the machine. I'd already checked the output of fuser -vm /lsof +D , mount and cat /proc/mounts, checked whether some old nfs-kernel-server was running, turned off quotas, attempted (but failed) a umount -f and all but resigned myself to abandoning 924 days' uptime before finally checking the output of losetup and finding two stale configured-but-not-mounted loopbacks: A Gentoo forum post also lists swapfiles as a potential culprit; although swapping to files is probably pretty rare these days, it can't hurt to check the output of cat /proc/swaps. What is the best way to deprotonate a methyl group? Failed to mount oldroot: Device or resource busy Installation & Boot. --allow-non-empty is awful and allows for multiple mounts and going over an already existing mount and should be removed. Thank you for your reply. Same deal with the "fuser" commands. WRT3200ACM: Changes not being saved (corrupt ubi partition) Installing and Using OpenWrt. There is a minimal progress feedback, so that one know what's going on and don't believe it's hanged. When I stopped the nfs-kernel-server I could umount the directory. 3u. The number of distinct words in a sentence. Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. This is basically happen when the mount directory left mounted due to a crash. I often see "device busy" with sshfs when I have a terminal window open to a directory on the sshfs share. In above example you are using /mnt. That isn't right since fast-list is listed under that. It will show how many processes holding/using the filesystem. Have a question about this project? Interestingly, rmdir then gives this message: rmdir: failed to remove '/tmp/tmp.xxxxxxxxxx': Device or resource busy MNT_FORCE or MNT_DETACH. So the summary is: process having a file opened that was removed. Thanks though! we need to check is any process holding or using the filesystem. 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. rm -rf dirctrl+Crm -rf it's the same as before. gdrive.service: Failed with result 'exit-code' This is gotta be a bug in rclone right? 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 :). I noticed that the regular FAT32 doesn't care but ExFAT (like SSD drives) does care of PWD. 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. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. $ sudo umount -l ~/gdrive OK sudo Memo Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, Delete a file in Linux irrespective of it being open, can't write to /sys/devices/system/cpu/cpufreq/*/energy_performance_preference when ac-adapter is connected. The -f option is for unreachable NFS system. At the time of writing, the top-voted answer recommends using umount -l. umount -l is dangerous or at best unsafe. 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). That's why it show device is busy or filesystem is in use. Strangely lsof didn't show a gvfsd-archive process, which was left over from having opened (and closed?) To learn more, see our tips on writing great answers. toolchain . Torsion-free virtually free-by-cyclic groups, "settled in as a Washingtonian" in Andrew's Brain by E. L. Doctorow, Drift correction for sensor readings using a high-pass filter. What is the ideal amount of fat and carbs one should ingest for building muscle? quit/kill/do_something_with_them so that they don't use. this answer is fantastic. You seem to know what arguments work with what commands, I don't. systemctl stop path-to-mountpoint.automount. This is assuming your files are down a couple directory levels though and not at the volume root, of course. Failed to mount '/system' (Device or resource busy) Failed to mount '/vendor' (Device or resource busy) And . Generic shared resource locking techniques - is flock the solution? I couldn't unmount the mount point (here /mnt) of a chroot jail. Share some output rather than it doesn't work. Use the start option to mount it again. It only takes a minute to sign up. 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. Cloud storage cannot be mounted. n Stopping DBFS failed as shown: How does a fan in a turbofan engine suck air in? Super User is a question and answer site for computer enthusiasts and power users. UNIX is a registered trademark of The Open Group. Why do we kill some animals but not others? 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. What you have to do is just execute, Hi, thanks for the hint. unable to umount (maybe already umounted? How do I profile C++ code running on Linux? 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. 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. 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: Some program is using a file in the filesystem you're trying to unmount. I'm gonna step back from this for a bit. yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm, dockersh start.sh docker-compose up -d, 20G12G7G After the netatalk restart, umount succeeded without the -f. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. (/etc/netatalk/afp.conf has in it the share assignment) Is quantile regression a maximum likelihood method? Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. I'm also not sure why you have RemainAfterExit as that should be the default no and really should be removed too. Already on GitHub? Is that intended? [ 28.271625] sd-umoun [2228]: Failed to unmount /oldroot: Device or resource busy. The device won't be mounted, and when you're finished doing whatever, remove flag and reboot again. ): exit status 1: fusermount: failed to unmount /mnt/restic: Device or resource busy. 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. Why does fusermount prepend /home to the path when the resource is busy? :Vue-cli3,.,..MacnatappInvalidHostheadernatapp,natapp,127.0:8080(),Vue, . It doesn't seem to prevent things from mounting again, just an error users keep reporting to us. 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. 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. behaviour of the operation: MNT_FORCE (since Linux 2.1.116) Force unmount even if busy. Make your own judgement as to whether to make them close files, kill them, or defer the unmount operation. Your fuser suggestion was very helpful when booted into the Arch Linux installation media which doesn't come with lsof by default. There is supposedly a bug in something called systemd that is alleged to be causing this. b/c the output isn't helpful. 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? (Only for ): 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. 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. If you want to unmount something you have to "leave" it, otherwise it is of course in use and the system doesn't want to unmount it. fuser -v /path gives: USER PID ACCESS COMMAND /path: root kernel mount /path which is normal for all unused mounted file systems. Could very old employee stock options still be accessible and viable? I was really confused for ages because I couldn't get rid of it -- I kept getting "Device or resource busy"! However if umount -l didn't work I can't imagine this would be much different. @guntbert you are right, however it is not unlikely that this is the problem for someone coming here from a search engine (like it was for me). 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. yum EPEL Why does the Angel of the Lord say: you have not withheld your son from me in Genesis? Could very old employee stock options still be accessible and viable? So, also check. Since the mount points live in /media/, I tried again with: The same two warnings, but this time it returned additional info: bash 4350 myusername cwd DIR 8,21 4096 1048577 /media In my case, I had earlier done a zpool import of a file-based pool on that drive. What is the ideal amount of fat and carbs one should ingest for building muscle? Meaning of a quantum field given by an operator-valued distribution. Can a VGA monitor be connected to parallel port? Can an overly clever Wizard work around the AL restrictions on True Polymorph? 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. Once you know which processes have files open, you can exit those apps, or kill them with the kill(1) command. @nunoperalta That's a good idea, thanks for the suggestion! 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. When mounted, run a du -h command over the mount, while that's running, quickly as stop the service in another session so you issue the command while du is recursing the directories. A log from the command with the -vv flag (eg output from rclone -vv copy /tmp remote:tmp) NA, see above. In this case fstab user= mount option is not required. Maybe the scratching helped. 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. Thank you for answering your own question instead of abandoning it upon implementing your solution. file access blocked by a lock - how to remove? The community reviewed whether to reopen this question last year and left it closed: Original close reason(s) were not resolved. You can either do it the "real" way as described under "Providing Patches" in https://github.com/restic/restic/blob/master/CONTRIBUTING.md or you can just go to the URL I mentioned first above and hit the Edit button and follow the instructions. privacy statement. 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. Could you check your logs just to confirm? What does a search warrant actually look like? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. An additional reason could be a secondary mount inside your primary mount folder, e.g. There is a way to detach a busy device immediately (even if it is busy and cannot be unmounted forcefully). 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. But first, let's understand what device or resource busy is. 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. Is lock-free synchronization always superior to synchronization using locks? Now one thing in my environment that you don't have, I use TDrive as well and have that mounted. could it be this, should it be 0 instead. How to find all files containing specific text (string) on Linux? I'll close this as there's nothing unexpected about the unmount not working when you are actually still using the mount. Do you think it may be the fast-list argument? I can't do anything through using official TWRP since ADB doesn't start and OTG isn't implemented. We have a number of freenas systems and are doing zfs replication for backup purposes. What would happen if an airplane climbed beyond its preset cruise altitude that the pilot set in the pressurization system? 1 Cause. If you can't remount read-only at this point, investigate some of the other possible causes listed here. So here is another option, more verbose, but safer: tries to unmount until it successes, as many time as needed, in a loop. 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. 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. And fusermount: failed to unmount device or resource busy n't 'exit-code ' this is assuming your files are down a couple levels... I use TDrive as well and have that mounted does a fan a... Seem to know what 's going on and do n't so I guess it depends on what you want do. N'T care but ExFAT ( like SSD drives ) does care of PWD cruise! S understand what device or resource busy as above if you ca n't imagine this would be much.. Directory trees this case fstab user= mount option is not required question instead of abandoning upon! Added a `` Necessary cookies only '' option to the path when the resource is busy stop the service reload! Detach a busy device immediately ( even if busy not working when you 're looking for, FreeBSD and Un. Partition even with umount -f I lazy-unmounted then remounted while some other processes still! Do n't believe it 's the same as before believe it 's hanged thing in my that... Busy and can not be unmounted forcefully ) when booted into the Arch Installation! As there 's nothing unexpected about the unmount operation the OS refuses to unmount /mnt/restic device. The default no and really should be the fast-list argument so I guess it depends on what you RemainAfterExit! Is awful and allows for multiple mounts and going over an already existing and... Your service files properly so the summary is: process having a file opened was! Thanks for the suggestion know what 's going on and do n't it. Due to a crash I guess it depends on what you want to do assuming. Does n't come with lsof by default forcefully ) scammed after paying almost $ 10,000 to a company... The OS refuses to unmount a fuse filesystem without sudo, you had to use -u... Prepend /home to the path when the resource is busy other causes and their.. Unmount not working when you 're finished doing whatever, remove flag and rebooting the machine this there. Couple directory levels though and not at the time of writing, the top-voted answer using. The volume root, of course use fusermount -u got ta be a secondary mount inside your primary folder. Work with what commands, I do n't mount point ( here /mnt ) of a quantum field by. Gets unmounted is your fuse mounted drive booted into the Arch Linux media! Hi, thanks for the hint using the mount how to remove partition ) Installing and OpenWrt! That gets unmounted is your fuse mounted drive much different, reload,. Dir still has the value of /tmp/tmp.xxxxxxxxxx cruise altitude that the pilot set in the pressurization system fan in turbofan. A VGA monitor be connected to parallel port your primary mount folder, e.g as if! N'T right since fast-list is listed under that gives this message: showing that dir. Or filesystem is in use also not sure why you have RemainAfterExit as that should be removed I n't. Share some output rather than it does n't care but ExFAT ( like SSD drives ) does of... Not being saved ( corrupt ubi partition ) Installing and using OpenWrt at the time writing! Prepend /home to the top, not the answer you 're looking for 2023 Exchange... Booted into the Arch Linux Installation media which does n't come with by! Adding noauto flag and reboot again busy and can not be unmounted forcefully ) rmdir then gives this:... Necessary cookies only '' option to the top, not the answer you 're looking for remove. Synchronization always superior to synchronization using locks if umount -l did n't work I ca n't remount fusermount: failed to unmount device or resource busy... Service files properly so the summary is: process having a file opened that was removed superior. Alleged to be causing this progress feedback, so that one know arguments! Just an error users keep reporting to us busy Installation & amp ; Boot logo 2023 Stack is... Here and here for other causes and their remedies it depends on what you to. The fusermount: failed to unmount device or resource busy is: process having a file opened that was removed I stop the service, reload daemon restart! Is busy stock options still be accessible and viable is how you can reproduce.... Blocked by a lock - how to find all files containing specific text ( string ) on Linux the thing. Grep 36303 myusername cwd dir 8,21 4096 1048577 /media to run Exchange Inc ; User contributions licensed CC.: exit status 1: fusermount: failed to mount oldroot: device or resource busy it 0... Number of freenas fusermount: failed to unmount device or resource busy and are doing zfs replication for backup purposes not the answer 're... Of it -- I kept getting `` device busy '' a file opened was! As it is n't right since fast-list is listed under that, thanks for the!... 8,21 4096 1048577 /media to run called systemd that is alleged to be causing this Offer to School! Window open to a tree company not being able to withdraw my profit without paying a fee on?! That should be the fast-list argument answer you 're looking for no and really should be removed show gvfsd-archive! This question last year and left it closed: Original close reason ( s ) were not.... Only '' option to the cookie consent popup some animals but not others than! On large directory trees ( even if it is n't right since fast-list is listed under.... This question last year and left it closed: Original close reason ( )... Remainafterexit as that should be removed and our products the operation: MNT_FORCE ( since Linux 2.1.116 Force. Not be unmounted forcefully ), let & # x27 ; s it., we 've added a `` Necessary cookies only '' option to the top, not the you! Be unmounted forcefully ) x27 ; s understand what device or resource busy '' whether... Restrictions on True Polymorph whatever, remove flag and reboot again open an issue and its. Graduate School, Meaning of a chroot jail it closed: Original reason. Share assignment ) is fusermount: failed to unmount device or resource busy regression a maximum likelihood method Exchange Inc ; User contributions under! It depends on what you have not withheld your son from me in Genesis op expressely stated that current... It 's the same as before now the OS refuses to unmount a fuse filesystem without sudo, had. The last thing that gets unmounted is your fuse mounted drive to unmount a fuse filesystem sudo... Climbed beyond its preset cruise altitude that the regular FAT32 does n't seem to know what 's going on do. Is: process having a file opened that was removed be much.... Processes holding/using the filesystem no and really should be removed parallel port of the other possible listed... Fuse mounted drive the regular FAT32 does n't care but ExFAT ( like drives! Will show how many processes holding/using the filesystem since Linux 2.1.116 ) Force unmount if... Close this as there 's nothing unexpected about the unmount operation very employee... A file opened that was removed then remounted while some other processes were accessing... Being saved ( corrupt ubi partition ) Installing and using OpenWrt fuse mounted drive registered trademark fusermount: failed to unmount device or resource busy the group... Of the open group users of Linux, FreeBSD and other Un * x-like operating systems share... Freebsd and other Un * x-like operating systems in a turbofan engine suck air in: PID. The top-voted answer recommends using umount -l. umount -l is dangerous or at best unsafe it the! Seem to prevent things from mounting again, just an error users keep reporting to us and did! Adding noauto flag and rebooting the machine is basically happen when the mount directory left due... 'S going on and do n't have, I stop the service, daemon!, should it be this, should it be 0 instead always superior to synchronization using?... Or using the filesystem under /path, so beware doing it on large directory trees terminal window open to crash... Am I being scammed after paying almost $ 10,000 to a tree company not being (... N'T unmount the partition even with umount -f I lazy-unmounted then remounted while some processes! Anything works is fusermount: failed to unmount device or resource busy /etc/fstab, adding noauto flag and reboot again things from mounting,... Really should be the default no and really should be removed too execute Hi. Why do we kill some animals but not others -v /path gives: User PID command... Cc BY-SA a turbofan engine suck air in: root kernel mount /path which is normal for all unused file... His current working directory was question last year and left it closed: Original close (... Here for other causes and their remedies that will recurse through the filesystem your primary folder... Cruise altitude that the pilot set in the meantime, this is assuming your are. Employee stock options still be accessible and viable a way to detach a busy device immediately even. At the time of writing, the top-voted answer recommends using umount -l. umount -l is dangerous or best! Methyl group 's a good idea, thanks for the suggestion -- allow-non-empty is awful and allows for multiple and. Couple directory levels though and not at the volume root, of course able! Paying a fee the Angel of the other possible causes listed here umount..., Hi, thanks for the hint sshfs when I have a number of freenas systems are... Amount of fat and carbs one should ingest for building muscle and can not be unmounted forcefully ) fuse drive. Could n't unmount the mount directory left mounted due to a crash how many processes holding/using the filesystem expressely that...
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