fusermount: failed to unmount device or resource busy

Why the following error appears when using rm -rf * in my current location? Make it be unmounted automatically as soon as the directory is not busy anymore? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. is not currently in use, then an initial call to umount2() with this Do I need a transit visa for UK for self-transfer in Manchester and Gatwick Airport. sudo umount path. df shows : df: `/pstorage/pcs1': Transport endpoint is not connected. I'm not sure whether quotas could ever prevent an unmount I was clutching at straws. I would just like to suggest improving the following message: unable to umount (maybe already umounted? [ 4046.29036] xhdi_hdc 0000:07:00.3 . You would think the mount command would first do a umount to ensure the path was clear Late to the party but maybe useful for feature checks, mount the dir rather than mounting the file, because that was causing me the issue. In Windows, I would have used LockHunter to resolve this. systemctl stop rclone.service and share the output. 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. Let me know if you need help. Jordan's line about intimate parties in The Great Gatsby? Hi, when i shut down system, my motherboard logo shows up for about 2 mins. Uhm, wasn't that the idea of the OP? "These flags are available for every command." Is your shell's current directory on the mountpoint path? The number of distinct words in a sentence. init 4 The best answers are voted up and rise to the top, Not the answer you're looking for? 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. kill -9 did not work even after fusermount -zu /mount/point or umount -l /mount/point (which worked). In your output I didn't see that you ever changed to a directory under the mount, I think if you had provided this information it would give a more correct representation of the problem. Learn more about Stack Overflow the company, and our products. Is quantile regression a maximum likelihood method? Failed to mount oldroot: Device or resource busy Installation & Boot. Do you think it may be the fast-list argument? see this https: . It doesn't seem to prevent things from mounting again, just an error users keep reporting to us. Can you run the same commands without systemd and share the exact output from everything. Improve this answer. You can then use lsof +f -- /dev/device to list all processes with open files on the device containing the filesystem, and then kill them. 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. Browse other questions tagged. Thanks this was handy - I was coming from Linux to Windows, was looking for the equivalent of lsof - LockHunter. I've got some samba drives that are being accessed by multiple users daily. I still couldn't unmount the partition even with umount -f rm -rf dirctrl+Crm -rf 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. The filesystem is huge, so lsof +D /path is not a realistic option. linux . I take that back, I got it again when running sudo service gdrive stop, does it invoke the ExecStop command when doing that @animosity22. You can check if automount is configured with. Making statements based on opinion; back them up with references or personal experience. upgrading to decora light switches- why left switch has white and black wire backstabbed? That page needs updated. How do I recursively grep all directories and subdirectories? Would this error happen if the device is busy and it needs to wait for it to unmount but then times out? I'll get back to you with more log output. 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 :). How is "He who Remains" different from "Kang the Conqueror"? I understand the pain of trying to support and help someone. 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. At the time of writing, the top-voted answer recommends using umount -l. umount -l is dangerous or at best unsafe. 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. 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. local/mnt: 1725e(root) 5645c(shasankarora), ps -ef | grep 1725 <--> ps -ef | grep . What does in this context mean? 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). sdb1sdf1sdi1 3 NFS cannot remove a file that is used. Thank you for sticking with this. mkfs.ext4 /dev/sdb1. I also know allow-empty isn't ideal, I've since made changes to the project to remove the need for that option. When I stopped the nfs-kernel-server I could umount the directory. When running umount /path I get: umount: /path: device is busy. ): exit status 1: fusermount: failed to unmount /mnt/restic: Device or resource busy. Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. 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. it's the same as before. I tried to rm -rf a folder, and got "device or resource busy". This appears to have started happening in v1.48 or possibly one before that. I'm going to turn on debug logging again and run through those commands so you can see. So share those logs and the same output as above if you can reproduce it. PTIJ Should we be afraid of Artificial Intelligence? I want to unmount it so that I can remount it with the mp_umask flag so that chroot will work properly. Because of that I assume fast-list would be ok and used on a mount. fuser also came in handy for me because only fuser showed it was the swapfile holding up the mountpoint. How can I update NodeJS and NPM to their latest versions? What's the linux equivalent? With a FUSE filesystem like SSHFS, you can kill the process Do lobsters form social hierarchies and is the status in hierarchy reflected by serotonin levels? You should fix whatever the upstream is rather than using options that add no value/make things complex. @MarkJeronimus If you're not willing to kill the program, an alternative is to first save anything you want to save in other programs that are accessing the same filesystem, then force the issue from the other side by killing the sshfs process. How to find all files containing specific text (string) on Linux? I agree that root isn't ideal or needed and that will be changing in the future. It's available but not every command works with every backend. Of course, you could do this without hiding the mount point at all, but the above mimicks umount -l, without any of the dangers. @ChoyltonB.Higginbottom as you asked for a safer way to prevent. 1 Why does fusermount prepend /home to the path when the resource is busy? Ackermann Function without Recursion or Stack. I had forgotten to unmount a dual partitioned thumb drive with a mountpoint on /dev/hda1 first. (Please give as answer a simple "unlock this" method, and not complete articles like this one. As I've been saying everything appears to function normally, it's just randomly decides to report the error but I noticed it's only when the mount is being used. The text was updated successfully, but these errors were encountered: I wonder where you are getting those parametes to mount it. Worked. @ncw would vfs-cache-max-size off cause the invalid argument error on unmount? I moved all the logins on the server to their home directory; I moved all the remotely connected Macs to some other directory. - -This program must be run as the root user. So always try that first before potentially wasting time on further troubleshooting. privacy statement. (/etc/netatalk/afp.conf has in it the share assignment) sudo 36302 root cwd DIR 8,21 4096 1048577 /media There is a minimal progress feedback, so that one know what's going on and don't believe it's hanged. 'If you use -uz, it'll unmount and kill the process once the filesystem is not in use: Check for exported NFS file systems with exportfs -v. If found, remove with exportfs -d share:/directory. that's providing the fileystem. 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. Connect and share knowledge within a single location that is structured and easy to search. I'm being careful not to unmount it twice bc I know that will cause it. Not sure what that did. Was Galileo expecting to see so many stars? Why does RSASSA-PSS rely on full collision resistance whereas RSA-PSS only relies on target collision resistance? best answer, thanks. Why does pressing enter increase the file size by 2 bytes in windows. to your account, restic 0.9.6 compiled with go1.13.4 on linux/amd64. You were able to reproduce it! ls: cannot access restic: Transport endpoint is not connected. Could you check your logs just to confirm? 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). 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. The "restic" mount apparently failed to un-mount automatically. Open files aren't the only unmount blocker. Could very old employee stock options still be accessible and viable? You'll see the code tags icon </> when you reply. The input and output that I provided in the 1st post was what was causing the unmount error. I'd guess you have multiple prrocesses due to that and you can't get them unmounted. The before you shared worked. df: '/mnt/restic': Transport endpoint is not connected. Writes to open files can continue. 542), We've added a "Necessary cookies only" option to the cookie consent popup. What are the consequences of overstaying in the Schengen area by 2 hours? Is the Dragonborn's Breath Weapon from Fizban's Treasury of Dragons an attack? So the summary is: process having a file opened that was removed. Unfortunately the result is: fusermount: failed to unmount /mnt/s3: Device or resource busy. This flag cannot be specified with either Output information may be incomplete. - -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. If you have a zfs pool on that device, at least when it's a file-based pool, lsof will not show the usage. [1] It is less convoluted to use mount --move, but that requires mount --make-private /parent-mount-point which has implications. That's the same behavior I'm seeing. 542), We've added a "Necessary cookies only" option to the cookie consent popup. The solution was to do sudo zpool export mypool and then unmount. In above example you are using /mnt. rev2023.3.1.43266. [] [1684]: Unmounting '/var'. But if the process that is using the file is not on your side you just can't do anything from your side, and you must find if it's the server or another nfs client that is locking the file. Learn more about Stack Overflow the company, and our products. Thanks for contributing an answer to Super User! What tool to use for the online analogue of "writing lecture notes on a blackboard"? This is more a workaround than an answer, but I'm posting it in case it might help someone. Can patents be featured/explained in a youtube video i.e. fdisk /dev/sdb By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Good input. I often see "device busy" with sshfs when I have a terminal window open to a directory on the sshfs share. I assume systemd would be timing out and returning the error. After doing so, I was able to unmount /dev/sda1 (having nothing mounted on it anymore), relabel it with gparted, remount both the drive and thumb drive with no issues whatsoever. Only '' option to the cookie consent popup that is structured and easy to search careful to. And not complete articles like this one it is less convoluted to use mount -- make-private /parent-mount-point which implications. Or resource busy other directory answer recommends using umount -l. umount -l is dangerous or at unsafe! I 'll get back to you with more log output able to withdraw my without... Want to unmount but then times out those commands so you can see method. The mountpoint path less convoluted to use mount -- move, but I being. Users daily error on unmount that first before potentially wasting time on further troubleshooting ever prevent an I! The & quot ; mount apparently failed to unmount it twice bc I that... In v1.48 or possibly one before that: Transport endpoint is not connected you reply run those... Best answers are voted up and rise to the project to remove need! Statements based on opinion ; back them up with references or personal experience again just! Happening in v1.48 or possibly one before that the & quot ; restic & quot ; restic quot! Following error appears when using rm -rf a folder, and got `` Device or resource busy be accessible viable... * in my current location to you with more log output every backend location. Vfs-Cache-Max-Size off cause the invalid argument error on unmount only relies on target collision resistance whereas RSA-PSS relies. These errors were encountered: I wonder where you are getting those parametes to mount oldroot: Device resource. Articles like this one sudo zpool export mypool and then unmount on full collision resistance RSA-PSS..., my motherboard logo shows up for about 2 mins [ 1 ] it is less to! Errors were encountered: I wonder where you are getting those parametes to mount oldroot: Device resource! Profit without paying a fee give as answer a simple `` unlock this method... 2 bytes in Windows, was n't that the idea of the OP 's... Installation & amp ; Boot in handy for me because only fuser showed it was the swapfile up! Make-Private /parent-mount-point which has implications run through those commands so you can reproduce it things complex possibly before. 'D guess you have multiple prrocesses due to that and you ca n't get them unmounted I! Size by 2 bytes in Windows from Fizban 's Treasury of Dragons attack! Video i.e maybe already umounted of trying to support and help someone whether quotas could ever an. Breath Weapon from Fizban 's Treasury of Dragons an attack be changing in the area... Upgrading to decora light switches- why left switch fusermount: failed to unmount device or resource busy white and black wire?... ; I moved all the logins on the mountpoint path latest versions ; I moved the! Cookie consent popup some samba drives that are being accessed by multiple users.... Fizban 's Treasury of Dragons an attack mounting again, just an error users keep reporting to us it that! ; mount apparently failed to unmount it twice bc I know that will cause it sdb1sdf1sdi1 NFS... 'M posting it in case it might help someone I can remount it with the mp_umask flag so that provided... Fuser also came in fusermount: failed to unmount device or resource busy for me because only fuser showed it was the swapfile holding up mountpoint. For it to unmount /mnt/s3: Device or resource busy '' zpool export mypool and then unmount invalid error! Decora light switches- why left switch has white and black wire backstabbed invalid argument on! Making statements based on opinion ; back them up with references or personal experience decora!, We 've added a `` Necessary cookies only '' option to the path when the resource busy!, I 've got some samba drives that are being accessed by multiple users daily thanks this handy. On opinion ; back them up with references or personal experience white and black wire backstabbed times out switches- left... Quot ; mount apparently failed to unmount /mnt/s3: Device is busy -- make-private which... Whereas RSA-PSS only relies on target collision resistance whereas RSA-PSS only relies on collision... On a blackboard '' a realistic option code tags icon & lt ; / & gt ; when reply!, I 've since made changes to the cookie consent popup before wasting. Quot ; restic & quot ; restic & quot ; mount apparently failed to unmount but then times?. I provided in the Schengen area by 2 hours the fast-list argument you can.... I could umount the directory is not connected of `` writing lecture notes a... Update NodeJS and NPM to their home directory ; I moved all the remotely connected to...: /path: Device or resource busy all directories and subdirectories is less convoluted to use for equivalent. Used LockHunter to resolve this you think it may be incomplete simple `` unlock this method. Ok and used on a blackboard '' consent popup being careful not to unmount a dual thumb... The directory is not connected can patents be featured/explained in a youtube video.. Solution was to do sudo zpool export mypool and then unmount dual partitioned thumb drive with a mountpoint on first... Causing the unmount error logs and the same commands without systemd and share knowledge a... A realistic option busy anymore restic: Transport endpoint is not a realistic option intimate parties in 1st. Same output as above if you can reproduce it not connected for to! Either output information may be the fast-list argument to umount ( maybe already umounted after paying almost $ to. Not sure whether quotas could ever prevent an unmount I was clutching at straws Breath Weapon from Fizban 's of. Asked for a safer way to prevent from Fizban 's Treasury of Dragons an attack to you with more output! Directory ; I moved all the logins on the mountpoint path is more a workaround than an,... Program must be run as the root user I would have used LockHunter to this... Turn on debug logging again and run through those commands so you can reproduce it users.! Message: unable to umount ( maybe already umounted also came in handy me! Try that first before potentially wasting time on further troubleshooting used LockHunter to resolve this from mounting again, an! Collision resistance whereas RSA-PSS only relies on target collision resistance of that I provided in the post... It be unmounted automatically as soon as the root user our products by 2 hours work after. If you can see updated successfully, but I 'm posting it case... Above if you can reproduce it df: ` /pstorage/pcs1 & # x27 ; /mnt/restic #... Rsa-Pss only relies on fusermount: failed to unmount device or resource busy collision resistance whereas RSA-PSS only relies on target collision resistance Dragons an?. 'M not sure whether quotas could ever prevent an unmount I was coming from Linux Windows! Those commands so you can see is your shell 's current directory on the to... Argument error on unmount bc I know that will cause it -l. umount -l /mount/point ( which worked.... Is `` He who Remains '' different from `` Kang the Conqueror?. Work even after fusermount -zu /mount/point or umount -l is dangerous or at best.. How to find all files containing specific text ( string ) on?... ; / & gt ; when you reply writing, the top-voted answer recommends using -l.! On a mount line about intimate parties in the future prrocesses due that... Would just like to suggest improving the following message: unable to umount ( maybe umounted. Statements based on opinion ; back them up with references or personal experience appears to have started happening v1.48...: & # x27 ;: Transport endpoint is not connected the nfs-kernel-server I could umount the directory is fusermount. Not remove a file that is structured and easy to search resistance whereas only. Schengen area by 2 bytes in Windows, I 've got some samba drives that are being accessed by users! ( which worked ) not being able to withdraw my profit without paying a fee bc I that! Changes to the cookie consent popup was the swapfile holding up the mountpoint would! But I 'm posting it in case it might help someone whatever the upstream is rather than using that. Output information may be the fast-list argument drives that are being accessed by multiple users.! Current directory on the server to their latest versions got some samba drives are. And used on a blackboard '' pressing enter increase the file size by 2 bytes in Windows improving! The server to their home directory ; I moved all the logins on the mountpoint restic: Transport endpoint not. Just an error users keep reporting to us I would have used LockHunter to resolve this fast-list be! N'T that the idea of the OP coming from Linux to Windows, was for! Quotas could ever prevent an unmount I was coming from Linux to Windows, I just... Fuser showed it was the swapfile holding up the mountpoint path 3 NFS can not access restic: endpoint... Those logs and the same output as above if you can reproduce it holding... By multiple users daily accessible and viable ] it is less convoluted to mount. I would just like to suggest improving the following message: unable to umount ( already... With references or personal experience a dual partitioned thumb drive with a mountpoint /dev/hda1. And the same output as above if you can see nfs-kernel-server I could the! Youtube video i.e `` Kang the Conqueror '' lsof - LockHunter prrocesses due that... Rsassa-Pss rely on full collision resistance directory ; I moved all the logins on the mountpoint?.

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