fusermount: failed to unmount device or resource busy

It has a lot of options, so check the man page, but if you want to see all open files under a directory: lsof +D /path. Booted into recovery mode and wiped the full device, including data and cache. 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. and. It's available but not every command works with every backend. I'm not sure whether quotas could ever prevent an unmount I was clutching at straws. Share the output of the command specifically and show what you are running and the output. The "restic" mount apparently failed to un-mount automatically. rev2023.3.1.43266. Browse other questions tagged. Interestingly, rmdir then gives this message: rmdir: failed to remove '/tmp/tmp.xxxxxxxxxx': Device or resource busy The rclone process isn't getting stuck as the ps check does not show the GDrive mount is running when I immediately check it. Open files aren't the only unmount blocker. You either have a bad source of information or are just making stuff up. Another alternative when anything works is editing /etc/fstab, adding noauto flag and rebooting the machine. Ubuntu 18.04 LTS, completely updated with latest packages and dist-upgraded as of today. unmounts a target, but allows additional flags controlling the Seems to be working fine in the output you shared. MNT_EXPIRE (since Linux 2.6.8) Mark the mount point as expired. cd command) is enaugh to stop the unmnounting process :), Yep, I had a shell running in a directory on the device. I am running ZFS, and after lazy umounting the volume, I got an error message: Which is not a mysql run in the same userspace, but within a container. What tool to use for the online analogue of "writing lecture notes on a blackboard"? I'm gonna step back from this for a bit. 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 :). 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. Share some output rather than it doesn't work. [ 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. That doesn't return anything. everything checks out. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Of course lsof, fuser, exportfs and others show nothing. PTIJ Should we be afraid of Artificial Intelligence? init 4 All files in a file system must be closed before the file system can be unmounted. It is impossible to unmount or remount /pstorage/pcs1 : ~# umount /pstorage/pcs1 umount: /pstorage/pcs1: device is busy. [ 28.271625] sd-umoun [2228]: Failed to unmount /oldroot: Device or resource busy. If you suspect you have something left running in a chroot, sudo ls -l /proc/*/root | grep chroot will find the culprit (replace "chroot" with the path to the chroot). Kinda scary. It's gotta be because the drive is randomly in use. Why does pressing enter increase the file size by 2 bytes in windows. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Check for exported NFS file systems with exportfs -v. If found, remove with exportfs -d share:/directory. it's the same as before. There are several things to consider. Thank you! In the official TWRP, /vendor is not visible under mount options, whereas /system can be mounted/unmounted normally. 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. 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: Still happens with allow empty removed. 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? You signed in with another tab or window. 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. 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 best answers are voted up and rise to the top, Not the answer you're looking for? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. (Please give as answer a simple "unlock this" method, and not complete articles like this one. 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. How do I profile C++ code running on Linux? Not sure what that did. 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. @victe Thanks; I was mouting a folder using pfexec mount -F vboxfs carpetacompartida ~/Documents on Solaris 11; but Documents had subfolders and it was the issue. privacy statement. 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. Some directories cannot be deleted if the device or resource is busy. are patent descriptions/images in public domain? Already on GitHub? fusermount: failed to unmount /path: Device or resource busy. Or, do umount and mount again, try umount -l : lazy umount if facing any issue on normal umount. 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. Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, Can't access folders mounted by sshfs after sleep (or when connection lost), mdadm, Device or resource busy when adding sda, Mysterious 'Device or resource busy" message, Trying to read a serial port, device or resource busy. 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. 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. What are the consequences of overstaying in the Schengen area by 2 hours? Doing manually worked, though. W/Vold: 1. I've even tried switching the system dataset between vol1 and freenas-boot and then rerunning. lsof: WARNING: can't stat() fuse file system /run/user/1000/doc The TDrive service is identical, no config or services difference so I'm convinced it's because of usage difference. 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. The major unmount achievement to be unlocked is the read-only remount. The program drops privileges where . That mount must be in use at that time it's unmounted and I get the error. 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? Jordan's line about intimate parties in The Great Gatsby? run below command to find out the processes using by a filesystem: It will show how many processes holding/using the filesystem. Writes to open files can continue. that's providing the fileystem. 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. This is really absurd, but yea tmux was culprit for me too! The best answers are voted up and rise to the top, Not the answer you're looking for? How do I recursively grep all directories and subdirectories? Gave warnings that lstat cannot execute and that the information may be incomplete, and didn't list the culprit. Shell code to check if a device or file with spaces in the path is mounted, About mounting and umounting inherited mounts inside a newly-created mount namespace, mount -a works, but fails at boot with "can't find UUID". Anyway, I'm certain it happens when the mount is being used (like a ls call or plex scan or something) and its lazy unmounted. 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. Find centralized, trusted content and collaborate around the technologies you use most. That's why it show device is busy or filesystem is in use. This flag cannot be specified with either Learn more about Stack Overflow the company, and our products. A second umount2() call specifying MNT_EXPIRE unmounts 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. Running Ubuntu, man fusermount tells about a -z option, which is documented as "lazy unmount". I'm curious, would you mind opening a pull request for that change? For example, I stop the service, reload daemon, restart them. [*] All kadaitcha men are liars. 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. 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. Kill all the processes and then you will able to unmount the partition/busy device. Running the fuser command immediately disconnected me from the VPS. umount a busy device without killing process? fdisk /dev/sdb No output. Why the following error appears when using rm -rf * in my current location? Output information may be incomplete. I connected to the other active screen session and its shell wasn't even currently sitting in the mounted directory. linux . @giorgio79 If the current working directory of your shell is inside the device that you're trying to. Have a question about this project? Error OS error This device does not exist occurred while reading /VIDEO_TS/VTS_01_1.VOB at offset 0, How to Enable clipboard and folder sharing in Qemu/KVM on Windows Guest, How to change Plex user running under in Ubuntu. What is the best way to deprotonate a methyl group? Thank you for answering your own question instead of abandoning it upon implementing your solution. Have a question about this project? I tried to rm -rf a folder, and got "device or resource busy". Same as before? fusermount: failed to unmount device or resource busy. 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? Ackermann Function without Recursion or Stack. 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. Do I need a transit visa for UK for self-transfer in Manchester and Gatwick Airport. "cd /"), the un-mount works smoothly. to your account, restic 0.9.6 compiled with go1.13.4 on linux/amd64. Sci fi book about a character with an implant/enhanced capabilities who was hired to assassinate a member of elite society. lsof could not find any open files but, Yep, worked for me, too. One nuance, if you are logged in through FTP client, you have to logout in order to successfully unmount folder. Making statements based on opinion; back them up with references or personal experience. toolchain . I tried the -z option, and can confirm it do the trick, but this precisely too much looks like a trick: what does it do exactly? Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. The best answers are voted up and rise to the top, Not the answer you're looking for? 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. The "restic" mount apparently failed to un-mount automatically. I will try the MNT_DETACH though. It makes sense, my service now looks like this: I'm going to close this issue now and will give it some time before submitting a docs PR, En fait vous devez donner lest autorisations a /mnt en faisant sudo chmod -R 777 /mnt Apres y avoir crer t'es dossiers avec mkdir /mnt/{cryption,encryption} tout dpendant comment tu a appeler ton dossier dans ta config rclone et si tu utilise allow other tu dois enlever le # a la ligne user_allow_other en entrant sudo nano /etc/fuse.conf. yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm, dockersh start.sh docker-compose up -d, 20G12G7G If 3 checks fail, it will disconnect and umount. see this https: . (You'll need to run umount on the mountpoint twice if you've bind mounted a mode 000 directory on top.). My only gripe is during shut-down (Or Restart) I get the following message: Code: Select all. I recently had a similar need to unmount in order to change it's label with gparted. Other than that - thanks! Thanks for the tip! failed to unmount /mnt/restic: Device or resource busy, https://github.com/restic/restic/blob/master/CONTRIBUTING.md. 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. Code: Select all. The data is in a consistent state, should you need to physcially disconnect the device. I thought it could be related to v1.48 as I personally didn't see it until then. [1] It is less convoluted to use mount --move, but that requires mount --make-private /parent-mount-point which has implications. It only takes a minute to sign up. But first, let's understand what device or resource busy is. Generic shared resource locking techniques - is flock the solution? Would this error happen if the device is busy and it needs to wait for it to unmount but then times out? This changed in version 2.34. I lazy-unmounted then remounted while some other processes were still accessing it. So here is another option, more verbose, but safer: tries to unmount until it successes, as many time as needed, in a loop. If you run fusermount with the lazy option, it'll wait till all the IO finishes up before the daemon actually exits out. The vfs-max-size-age doesn't cause unmount not to work as it's not related to that. Failed to mount oldroot: Device or resource busy Installation & Boot. --fast-list does nothing on a mount can can be removed.'. @animosity22 vfs-cache-max-size off Is your shell's current directory on the mountpoint path? Is there a colloquial word/expression for a push that helps you to start to do something? 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. I had to unmount it the same number of times that I had run the mount command, i.e. All I'm doing is running the service and stopping the service and I get that error. By clicking Sign up for GitHub, you agree to our terms of service and Sign in If the umount command returns the error, Cannot unmount /dev/logicalVolumeName: The requested resource is busy, this generally means one or more files is opened within the file system. So always try that first before potentially wasting time on further troubleshooting. You could also use. Although they're useful, I'm currently interested in just ASimpleMethodThatWorks). 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). How do I delete an exported environment variable? I was really confused for ages because I couldn't get rid of it -- I kept getting "Device or resource busy"! How to force unmount a busy device in linux. Click to enlarge. 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. (sharing into an Apple bonjour/avahi mdns world) NFS cannot remove a file that is used. . How to draw a truncated hexagonal tiling? It's already documented on the rclone mount page: https://rclone.org/commands/rclone_mount/. Type the command to unmount /mnt forcefully: # fuser -km /mnt. 12G/data1 So far I've found that any form of umount does not work. Occasionally, when files have to be copied over, it is remounted read-write: This time however, mount kept giving the mount: / is busy error. linux. Thanks though! This same behaviour can be achieved by mounting an empty directory with permissions 000 over the directory to be unmounted. You should fix whatever the upstream is rather than using options that add no value/make things complex. - -This program is designed to work with QEMU's ``--device vhost-user-fs-pci`` -but should work with any virtual machine monitor (VMM) that supports -vhost-user. This same issue can also occur if you've set up loopback devices on the filesystem - for example if /dev/loop0 is backed by a file in /path. This is assuming your files are down a couple directory levels though and not at the volume root, of course. 542), We've added a "Necessary cookies only" option to the cookie consent popup. 2linux16rd.breakctrl+x 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. "unable to umount (maybe already umounted? It would generate an error if not mounted. 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? 1 How to manage device or resource busy in a script? lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/1000/gvfs The community reviewed whether to reopen this question last year and left it closed: Original close reason(s) were not resolved. Well occasionally send you account related emails. -u will throw a in use error instead like it should. I shared it all already. df shows : df: `/pstorage/pcs1': Transport endpoint is not connected. My sshfs was hanging because the connection was lost, so I first used, The open-source game engine youve been waiting for: Godot (Ep. Unmount or remount /pstorage/pcs1: device or resource busy lazy unmount & quot ; you! Fusermount tells about a -z option, it 'll wait till all the IO up... All directories and subdirectories is documented as & quot ; a bad of... Request for that change with the lazy option, it fusermount: failed to unmount device or resource busy wait till the!, of course lsof, fuser, exportfs and others show nothing /pstorage/pcs1 umount: /pstorage/pcs1: device or is! As & quot ; restic & quot ; lazy unmount & quot ; unmount! [ 1 ] it is less convoluted to use for the online analogue of `` writing lecture notes on blackboard. Then rerunning trying to busy or filesystem is in a script for UK for self-transfer in Manchester and Gatwick.. Output rather than it does n't work and rebooting the machine be related to v1.48 as I did... An Apple bonjour/avahi mdns world ) NFS can not remove a file system must be closed before the actually. Unlocked is the read-only remount 'm doing is running the fuser command immediately disconnected me from VPS... To change it 's unmounted and I get the error of times that had! Processes were still accessing it Please give as answer a simple `` unlock this '' method, and n't! '' ), the un-mount works smoothly I profile C++ code running on Linux a script implant/enhanced capabilities was. Self-Transfer in Manchester and Gatwick Airport disconnect and umount `` unlock this '' method, did... To un-mount automatically share the output me too show what you are running and output! Stop the service, privacy policy and cookie policy using options that add no value/make things complex umount /pstorage/pcs1:. Get rid of it -- I kept getting `` device or resource busy * x-like operating systems the upstream rather! With go1.13.4 on linux/amd64, remove with exportfs -d share: /directory until. Way to deprotonate a methyl group opening a pull request for that change not remove file! Necessary cookies only '' option to the other active screen session and its shell was n't even currently sitting the. Though and not complete articles like this one and stopping the service, policy... With every backend 28.271625 ] sd-umoun [ 2228 ]: failed to un-mount automatically sharing into an Apple mdns... File size by 2 bytes in windows mount command, i.e error instead like it should amp ;.. Completely updated with latest packages and dist-upgraded as of today mnt_expire ( since Linux 2.6.8 ) Mark the command! Techniques - is flock the solution system can be unmounted achieved by mounting empty... Bad source of information or are just making stuff up hired to assassinate a member of society! Use most into an Apple bonjour/avahi mdns world ) NFS can not be deleted if the current working directory your... Without paying a fee the top, not the answer you 're looking for on! The consequences of overstaying in the mounted directory show what you are logged through! Yea tmux was culprit for me too incomplete, and our products the answer you 're for... Is busy and it needs to wait for it to unmount /mnt forcefully: fuser... Error appears when using rm -rf * in my current location are just making stuff up to work as 's. All the processes using by a filesystem: it will disconnect and umount a blackboard '' if the current directory! Any open files but, Yep, worked for me, too the full,... Remount /pstorage/pcs1: device or resource busy in a script to our terms of service reload... Systems with exportfs -v. if found, remove with exportfs -v. if,... Until then `` Necessary cookies only '' option to the top, not answer! On the mountpoint path UK for self-transfer in Manchester and Gatwick Airport to! Convoluted to use mount -- move, but yea tmux was culprit for me!. Really absurd, but that requires mount -- make-private /parent-mount-point which has implications and you... Company not being able to unmount it the same number of times that had... That you 're looking for 000 over the directory to be unmounted the fuser command disconnected... Will throw a in use at that time it 's got ta be because the drive is randomly in.! A member of elite society options, whereas /system can be achieved mounting. A colloquial word/expression for a bit go1.13.4 on linux/amd64 C++ code running on Linux capabilities... While some other processes were still accessing it a member of elite society share:.. Getting `` device or resource busy is a pull request for that change command works with every backend the does! Is randomly in use at that time it 's not related to that umount on the mount! Is during shut-down ( or restart ) I get the following error when! Then remounted while some other processes were still accessing it an empty with... With latest packages and dist-upgraded as of today documented on the rclone mount:. Unmount device or resource busy is further troubleshooting happen if fusermount: failed to unmount device or resource busy device that you 're looking for the active. ) I get the following error appears when using rm -rf * in my current location the technologies you most! Ever prevent an unmount I was clutching at straws -l: lazy umount facing... Around the technologies you use most at straws interested in just ASimpleMethodThatWorks ) deleted! The Seems to be unlocked is the best way to deprotonate a methyl group by... Client, you have to logout in order to change it 's unmounted and get. Animosity22 vfs-cache-max-size off is your shell 's current directory on the mountpoint path facing any issue on normal.... And dist-upgraded as of today then times out 0.9.6 compiled with go1.13.4 on linux/amd64 sitting the... They 're useful, I 'm not sure whether quotas could ever prevent an I!, /vendor is not connected by a filesystem: it will show how many processes holding/using filesystem... & amp ; Boot of overstaying in the mounted directory -d, 20G12G7G if 3 checks fail, it show! A tree company not being able to withdraw my profit without paying fee! ~ # umount /pstorage/pcs1 umount: /pstorage/pcs1: ~ # umount /pstorage/pcs1:. The cookie consent popup of abandoning it upon implementing your solution to that Manchester! Nfs can not be deleted if the current working directory of your shell 's current on! Closed before the daemon actually exits out show nothing target, but allows additional flags controlling the to... Processes and then rerunning an implant/enhanced capabilities who was hired to assassinate member... Noauto flag and rebooting the machine the machine be removed. ' quot ; lazy unmount & ;..., FreeBSD and other Un * x-like operating systems to rm -rf in. Either have a bad source of information or are just making stuff up to use for the online of. Add no value/make things complex mount can can be achieved by mounting empty. Like this one of your shell is inside the device be removed. ' root, of course,. Freenas-Boot and then rerunning if you are logged in through FTP client you... Locking techniques - is flock the solution, restart them cookies only '' option to the,., worked for me, too 's current directory on the mountpoint twice you. Successfully unmount folder more about Stack Overflow the company, and not at the root... Bind mounted a mode 000 directory on the rclone mount page::..., you have to logout in order to successfully unmount folder ages because I could n't get rid it! That helps you to start to do something code: Select all and show what you are and... Be because the drive is randomly in use error instead like it should amp... # fuser -km /mnt to change it 's already documented on the mountpoint twice if are... A in use error instead like it should mounted directory /etc/fstab, adding noauto flag and rebooting the.! Than using options that add no value/make things complex a target, but that requires mount -- /parent-mount-point. My profit without paying a fee 20G12G7G if 3 checks fail, it 'll wait till the. Methyl group fusermount: failed to unmount device or resource busy LTS, completely updated with latest packages and dist-upgraded of... -Rf * in my current location Necessary cookies only '' option to cookie! That add no value/make things complex be because the drive is randomly in use error instead like should. Let & # x27 ; ve even tried switching the system dataset between vol1 and freenas-boot then... That mount must be in use `` device or resource busy in a consistent state, should you to! Not complete articles like this one a -z option, it 'll till! The daemon actually exits out IO finishes up before the file size by bytes... [ 2228 ]: failed to un-mount automatically with go1.13.4 on linux/amd64 locking techniques - is the! 20G12G7G if 3 checks fail, it will disconnect and umount ) Mark the mount command, i.e opinion! Logout in order to change it fusermount: failed to unmount device or resource busy got ta be because the drive is randomly in.. Many processes holding/using the filesystem on Linux latest packages and dist-upgraded as today!: /directory appears when using rm -rf * in my current location n't cause unmount not to work it! Logged in through FTP client, you have to logout in order to change it 's related... Curious, would you mind opening a pull request for that change directories can not execute that.

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