fusermount: failed to unmount device or resource busy
A second umount2() call specifying MNT_EXPIRE unmounts YES!! renaming the parent directory always worked for me. cd command) is enaugh to stop the unmnounting process :), Yep, I had a shell running in a directory on the device. Do lobsters form social hierarchies and is the status in hierarchy reflected by serotonin levels? If you can share the logs and output and I can try to help the issue by reproducing it, we can get to the root of the issue/bug/defect and get it fixed. Browse other questions tagged. Writes to open files can continue. Of course lsof, fuser, exportfs and others show nothing. Super User is a question and answer site for computer enthusiasts and power users. Failed to mount oldroot: Device or resource busy Installation & Boot. Jordan's line about intimate parties in The Great Gatsby? @bitinerant the dangerous part is "as soon as it is not busy anymore" (which is an indefinite time frame) if you try and mount that thing again in that time. Thanks this was handy - I was coming from Linux to Windows, was looking for the equivalent of lsof - LockHunter. Running the fuser command immediately disconnected me from the VPS. You'll see the code tags icon </> when you reply. The mounts have disappeared from the mtab and now the OS refuses to unmount them. The only time I get this is when I run this with no mount running. systemctl stop rclone.service and share the output. 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. run below command to find out the processes using by a filesystem: It will show how many processes holding/using the filesystem. at least right now, the ps grep is clean. @psusi, that is incorrect. I think your suggestion is incorrect. I hope @ncw will have some thoughts. All I'm doing is running the service and stopping the service and I get that error. sda3 Well occasionally send you account related emails. The solution is pretty easy. @giorgio79 If the current working directory of your shell is inside the device that you're trying to. Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. It doesn't actually unmount the device, it just removes the filesystem from the namespace. Interestingly, rmdir then gives this message: rmdir: failed to remove '/tmp/tmp.xxxxxxxxxx': Device or resource busy 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. lsof and fuser didn't give me anything either. Output information may be incomplete. In Windows, I would have used LockHunter to resolve this. What factors changed the Ukrainians' belief in the possibility of a full-scale invasion between Dec 2021 and Feb 2022? Output information may be incomplete. All files in a file system must be closed before the file system can be unmounted. is not currently in use, then an initial call to umount2() with this . rm -rf dirctrl+Crm -rf Option "user" work for mount, not for umount. are patent descriptions/images in public domain? 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. It only takes a minute to sign up. When you gain the remount,ro badge, you know that: mount -o remount,ro /dev/device is guaranteed to fail if there are files open for writing, so try that straight up. Ackermann Function without Recursion or Stack. Could very old employee stock options still be accessible and viable? 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. 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. This is a gap in the rclone global args docs, there isn't anything indicating what commands which args are valid. So I guess I mounted it twice in the end to the same location? Some program is using a file in the filesystem you're trying to unmount. In above example you are using /mnt. 3u. If you have IO / processes still using the mount, it won't unmount properly and based your simple type, it just gets killed at some point. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Asking for help, clarification, or responding to other answers. Worked. To learn more, see our tips on writing great answers. Sign in My sshfs was hanging because the connection was lost, so I first used, The open-source game engine youve been waiting for: Godot (Ep. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. There are several things to consider. What tool to use for the online analogue of "writing lecture notes on a blackboard"? kill -9 did not work even after fusermount -zu /mount/point or umount -l /mount/point (which worked). thanks for the help. NFS mounts.) I often see "device busy" with sshfs when I have a terminal window open to a directory on the sshfs share. systemctl list-unit-files --type automount. When you edit something, no notification happens. to interactively kill the remaining read-only processes blocking the unmount. Ubuntu 18.04 LTS, completely updated with latest packages and dist-upgraded as of today. So far I've found that any form of umount does not work. Still happens with allow empty removed. already one commenter on the accepted answer seems to have done that. I thought it could be related to v1.48 as I personally didn't see it until then. Are you only seeing the error in systemd? Cannot switch kernel: errors "out of memory" and "you need to load the kernel first" stephane 23 September 2020 07:40 #2. see this . The mount point remains expired as long as it isn't accessed grep 36303 myusername cwd DIR 8,21 4096 1048577 /media Showed me the process and the PID (column two). WRT3200ACM: Changes not being saved (corrupt ubi partition) Installing and Using OpenWrt. rm: cannot remove .nfs00000024d296fc2f00086d4d: 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. I recently had a similar need to unmount in order to change it's label with gparted. What does a search warrant actually look like? Linux, like Windows, has file and device locking. Thank you for sticking with this. Did the residents of Aneyoshi survive the 2011 tsunami thanks to the warnings of a stone marker? init 4 To subscribe to this RSS feed, copy and paste this URL into your RSS reader. that's providing the fileystem. Connect and share knowledge within a single location that is structured and easy to search. 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? Failed to unmount /oldroot: Device or resource busy. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 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. Other than quotes and umlaut, does " mean anything special? You either have a bad source of information or are just making stuff up. 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. Or, do umount and mount again, try umount -l : lazy umount if facing any issue on normal umount. rev2023.3.1.43266. I'm curious, would you mind opening a pull request for that change? Generic shared resource locking techniques - is flock the solution? I'm being careful not to unmount it twice bc I know that will cause it. systemctl status rclone.service and share the output The GDrive isn't used much when using TDrive, but it does sit inside mergerfs, so it does periodically get ls commands from that. What is the best way to deprotonate a methyl group? Good input. 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. Hello everybody, thank you to have clicked on my topic :D I explain my problem: I wanted to do a nandroid backup, before installing a rom on my P9 with TWRP(version 3.1.1-0), I have selected "Boot," "System," and "Data" (as usual) But a message. 1. Code: Select all. Open files aren't the only unmount blocker. quit/kill/do_something_with_them so that they don't use. Meaning of a quantum field given by an operator-valued distribution. By accident I found out how to get rid of a ramdisk. Why do we kill some animals but not others? Post the output of inxi -Fxz from a terminal and wrap it in code tags when you reply. Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument, same output before. Failed to mount '/system' (Device or resource busy) Failed to mount '/vendor' (Device or resource busy) And . 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. Connect and share knowledge within a single location that is structured and easy to search. What does in this context mean? perform the unmount when the mount point ceases to be busy. Why Device or resource busy whent to remove the file? I was really confused for ages because I couldn't get rid of it -- I kept getting "Device or resource busy"! fuser -v /path gives: which is normal for all unused mounted file systems. You are also running it as root. 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). I'm gonna step back from this for a bit. I don't know, not documented, so unsafe. I'd remove those and validate everything is working as you have something a bit off. The only thing that worked was pkill -9 sshfs. Same as before? 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. Share some output rather than it doesn't work. 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. Killing those other shell sessions fixed the issue for me. Could very old employee stock options still be accessible and viable? How to manage device or resource busy in a script? Hopefully at this point, you can unmount the device. truncate logs, reboot system, check logs, fusermount error. I have an s3fs-fuse "device" mounted at /mnt/s3. Do lobsters form social hierarchies and is the status in hierarchy reflected by serotonin levels? Is there a colloquial word/expression for a push that helps you to start to do something? If you run fusermount with the lazy option, it'll wait till all the IO finishes up before the daemon actually exits out. Sign in Once I move somewhere else (e.g. Once you know which processes have files open, you can exit those . I was now doing some experiments, and it seems to be that "Ctrl + C" and "umount" will tell that the device is busy for as long as there is another shell with "cd" to somewhere under that mount. upgrading to decora light switches- why left switch has white and black wire backstabbed? You could also use. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. What would happen if an airplane climbed beyond its preset cruise altitude that the pilot set in the pressurization system? PTIJ Should we be afraid of Artificial Intelligence? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. You still haven't posted logs/output of how to recreate the issue so we're in a loop as I'm not out of ideas as I don't know how to try to recreate the issue you are seeing without your help. If you have it with killmode process, it sends a SIGTERM to the process and you also try to fusermount it. Is email scraping still a thing for spammers, Derivation of Autocovariance Function of First-Order Autoregressive Process. Thanks for contributing an answer to Super User! So the summary is: process having a file opened that was removed. It appears to unmount. However fuser is useful when it comes to killing the processes causing your dramas so you can get on with your life. ): 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. 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. 542), We've added a "Necessary cookies only" option to the cookie consent popup. I lost some hundred gigabytes by mounting ecryptfs twice around 10 years ago. Again, you haven't shared anything, a log, a command you are running. "cd /"), the un-mount works smoothly. MNT_EXPIRE (since Linux 2.6.8) Mark the mount point as expired. and. I will try the MNT_DETACH though. 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. The -i flag makes fuser ask before killing. What tool to use for the online analogue of "writing lecture notes on a blackboard"? umount a busy device without killing process? I also had a mount in the mount. Can patents be featured/explained in a youtube video i.e. Yeah, you can't unmount something not mounted as it should error out. Thanks for this advice. Have a question about this project? What are examples of software that may be seriously affected by a time jump? ): To help the user realize that one of the problems "might" be that something else is still using the mount. FreeNAS-11.3-U3.2 This is kind of a strange one to me. In the official TWRP, /vendor is not visible under mount options, whereas /system can be mounted/unmounted normally. fuser can also be used, but to my mind lsof has a more useful output. I could not unmount the drive because it was in use, but lsof and fuser did not show anything. 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. In RHEL6/CentOS6, use, In my case it was not necessary to stop the nfs server, just, All 924 days uptime means is that you need to update your kernel patches :-). Some directories cannot be deleted if the device or resource is busy. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Uhm, wasn't that the idea of the OP? fusermount: failed to unmount /home/tmp/tmp.xxxxxxxxxx: Device or resource busy In the warning message, /home is prepended to the path instead of only /tmp/tmp.xxxxxxxxxx. (Please give as answer a simple "unlock this" method, and not complete articles like this one. . 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. Here are the commands I typed to investigate : As you can notice, even lsof returns nothing. Let me know if you need help. Apparently, this is the Correct Version that has solved this Problem: Thanks for contributing an answer to Super User! fusermount: failed to unmount : Device or resource busy, MMSIM15.10.284_Hotfix.7zcadenceMMSIM15110. Out of curiosity, can you try it on another system and preferably another OS, just to see if it changes anything for you? Can an overly clever Wizard work around the AL restrictions on True Polymorph? So I restarted the netatalk daemon on the server. - -This program must be run as the root user. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. What tool to use for the online analogue of "writing lecture notes on a blackboard"? If you wanted to unmount a fuse filesystem without sudo, you had to use fusermount -u. How can I update NodeJS and NPM to their latest versions? Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument, same output before. How to draw a truncated hexagonal tiling? local/mnt: 1725e(root) 5645c(shasankarora), ps -ef | grep 1725 <--> ps -ef | grep
Services
A second umount2() call specifying MNT_EXPIRE unmounts YES!! renaming the parent directory always worked for me. cd command) is enaugh to stop the unmnounting process :), Yep, I had a shell running in a directory on the device. Do lobsters form social hierarchies and is the status in hierarchy reflected by serotonin levels? If you can share the logs and output and I can try to help the issue by reproducing it, we can get to the root of the issue/bug/defect and get it fixed. Browse other questions tagged. Writes to open files can continue. Of course lsof, fuser, exportfs and others show nothing. Super User is a question and answer site for computer enthusiasts and power users. Failed to mount oldroot: Device or resource busy Installation & Boot. Jordan's line about intimate parties in The Great Gatsby? @bitinerant the dangerous part is "as soon as it is not busy anymore" (which is an indefinite time frame) if you try and mount that thing again in that time. Thanks this was handy - I was coming from Linux to Windows, was looking for the equivalent of lsof - LockHunter. Running the fuser command immediately disconnected me from the VPS. You'll see the code tags icon </> when you reply. The mounts have disappeared from the mtab and now the OS refuses to unmount them. The only time I get this is when I run this with no mount running. systemctl stop rclone.service and share the output. 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. run below command to find out the processes using by a filesystem: It will show how many processes holding/using the filesystem. at least right now, the ps grep is clean. @psusi, that is incorrect. I think your suggestion is incorrect. I hope @ncw will have some thoughts. All I'm doing is running the service and stopping the service and I get that error. sda3 Well occasionally send you account related emails. The solution is pretty easy. @giorgio79 If the current working directory of your shell is inside the device that you're trying to. Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. It doesn't actually unmount the device, it just removes the filesystem from the namespace. Interestingly, rmdir then gives this message: rmdir: failed to remove '/tmp/tmp.xxxxxxxxxx': Device or resource busy 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. lsof and fuser didn't give me anything either. Output information may be incomplete. In Windows, I would have used LockHunter to resolve this. What factors changed the Ukrainians' belief in the possibility of a full-scale invasion between Dec 2021 and Feb 2022? Output information may be incomplete. All files in a file system must be closed before the file system can be unmounted. is not currently in use, then an initial call to umount2() with this . rm -rf dirctrl+Crm -rf Option "user" work for mount, not for umount. are patent descriptions/images in public domain? 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. It only takes a minute to sign up. When you gain the remount,ro badge, you know that: mount -o remount,ro /dev/device is guaranteed to fail if there are files open for writing, so try that straight up. Ackermann Function without Recursion or Stack. Could very old employee stock options still be accessible and viable? 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. 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. This is a gap in the rclone global args docs, there isn't anything indicating what commands which args are valid. So I guess I mounted it twice in the end to the same location? Some program is using a file in the filesystem you're trying to unmount. In above example you are using /mnt. 3u. If you have IO / processes still using the mount, it won't unmount properly and based your simple type, it just gets killed at some point. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Asking for help, clarification, or responding to other answers. Worked. To learn more, see our tips on writing great answers. Sign in My sshfs was hanging because the connection was lost, so I first used, The open-source game engine youve been waiting for: Godot (Ep. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. There are several things to consider. What tool to use for the online analogue of "writing lecture notes on a blackboard"? kill -9 did not work even after fusermount -zu /mount/point or umount -l /mount/point (which worked). thanks for the help. NFS mounts.) I often see "device busy" with sshfs when I have a terminal window open to a directory on the sshfs share. systemctl list-unit-files --type automount. When you edit something, no notification happens. to interactively kill the remaining read-only processes blocking the unmount. Ubuntu 18.04 LTS, completely updated with latest packages and dist-upgraded as of today. So far I've found that any form of umount does not work. Still happens with allow empty removed. already one commenter on the accepted answer seems to have done that. I thought it could be related to v1.48 as I personally didn't see it until then. Are you only seeing the error in systemd? Cannot switch kernel: errors "out of memory" and "you need to load the kernel first" stephane 23 September 2020 07:40 #2. see this . The mount point remains expired as long as it isn't accessed grep 36303 myusername cwd DIR 8,21 4096 1048577 /media Showed me the process and the PID (column two). WRT3200ACM: Changes not being saved (corrupt ubi partition) Installing and Using OpenWrt. rm: cannot remove .nfs00000024d296fc2f00086d4d: 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. I recently had a similar need to unmount in order to change it's label with gparted. What does a search warrant actually look like? Linux, like Windows, has file and device locking. Thank you for sticking with this. Did the residents of Aneyoshi survive the 2011 tsunami thanks to the warnings of a stone marker? init 4 To subscribe to this RSS feed, copy and paste this URL into your RSS reader. that's providing the fileystem. Connect and share knowledge within a single location that is structured and easy to search. 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? Failed to unmount /oldroot: Device or resource busy. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 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. Other than quotes and umlaut, does " mean anything special? You either have a bad source of information or are just making stuff up. 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. Or, do umount and mount again, try umount -l : lazy umount if facing any issue on normal umount. rev2023.3.1.43266. I'm curious, would you mind opening a pull request for that change? Generic shared resource locking techniques - is flock the solution? I'm being careful not to unmount it twice bc I know that will cause it. systemctl status rclone.service and share the output The GDrive isn't used much when using TDrive, but it does sit inside mergerfs, so it does periodically get ls commands from that. What is the best way to deprotonate a methyl group? Good input. 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. Hello everybody, thank you to have clicked on my topic :D I explain my problem: I wanted to do a nandroid backup, before installing a rom on my P9 with TWRP(version 3.1.1-0), I have selected "Boot," "System," and "Data" (as usual) But a message. 1. Code: Select all. Open files aren't the only unmount blocker. quit/kill/do_something_with_them so that they don't use. Meaning of a quantum field given by an operator-valued distribution. By accident I found out how to get rid of a ramdisk. Why do we kill some animals but not others? Post the output of inxi -Fxz from a terminal and wrap it in code tags when you reply. Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument, same output before. Failed to mount '/system' (Device or resource busy) Failed to mount '/vendor' (Device or resource busy) And . 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. Connect and share knowledge within a single location that is structured and easy to search. What does in this context mean? perform the unmount when the mount point ceases to be busy. Why Device or resource busy whent to remove the file? I was really confused for ages because I couldn't get rid of it -- I kept getting "Device or resource busy"! fuser -v /path gives: which is normal for all unused mounted file systems. You are also running it as root. 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). I'm gonna step back from this for a bit. I don't know, not documented, so unsafe. I'd remove those and validate everything is working as you have something a bit off. The only thing that worked was pkill -9 sshfs. Same as before? 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. Share some output rather than it doesn't work. 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. Killing those other shell sessions fixed the issue for me. Could very old employee stock options still be accessible and viable? How to manage device or resource busy in a script? Hopefully at this point, you can unmount the device. truncate logs, reboot system, check logs, fusermount error. I have an s3fs-fuse "device" mounted at /mnt/s3. Do lobsters form social hierarchies and is the status in hierarchy reflected by serotonin levels? Is there a colloquial word/expression for a push that helps you to start to do something? If you run fusermount with the lazy option, it'll wait till all the IO finishes up before the daemon actually exits out. Sign in Once I move somewhere else (e.g. Once you know which processes have files open, you can exit those . I was now doing some experiments, and it seems to be that "Ctrl + C" and "umount" will tell that the device is busy for as long as there is another shell with "cd" to somewhere under that mount. upgrading to decora light switches- why left switch has white and black wire backstabbed? You could also use. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. What would happen if an airplane climbed beyond its preset cruise altitude that the pilot set in the pressurization system? PTIJ Should we be afraid of Artificial Intelligence? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. You still haven't posted logs/output of how to recreate the issue so we're in a loop as I'm not out of ideas as I don't know how to try to recreate the issue you are seeing without your help. If you have it with killmode process, it sends a SIGTERM to the process and you also try to fusermount it. Is email scraping still a thing for spammers, Derivation of Autocovariance Function of First-Order Autoregressive Process. Thanks for contributing an answer to Super User! So the summary is: process having a file opened that was removed. It appears to unmount. However fuser is useful when it comes to killing the processes causing your dramas so you can get on with your life. ): 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. 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. 542), We've added a "Necessary cookies only" option to the cookie consent popup. I lost some hundred gigabytes by mounting ecryptfs twice around 10 years ago. Again, you haven't shared anything, a log, a command you are running. "cd /"), the un-mount works smoothly. MNT_EXPIRE (since Linux 2.6.8) Mark the mount point as expired. and. I will try the MNT_DETACH though. 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. The -i flag makes fuser ask before killing. What tool to use for the online analogue of "writing lecture notes on a blackboard"? umount a busy device without killing process? I also had a mount in the mount. Can patents be featured/explained in a youtube video i.e. Yeah, you can't unmount something not mounted as it should error out. Thanks for this advice. Have a question about this project? What are examples of software that may be seriously affected by a time jump? ): To help the user realize that one of the problems "might" be that something else is still using the mount. FreeNAS-11.3-U3.2 This is kind of a strange one to me. In the official TWRP, /vendor is not visible under mount options, whereas /system can be mounted/unmounted normally. fuser can also be used, but to my mind lsof has a more useful output. I could not unmount the drive because it was in use, but lsof and fuser did not show anything. 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. In RHEL6/CentOS6, use, In my case it was not necessary to stop the nfs server, just, All 924 days uptime means is that you need to update your kernel patches :-). Some directories cannot be deleted if the device or resource is busy. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Uhm, wasn't that the idea of the OP? fusermount: failed to unmount /home/tmp/tmp.xxxxxxxxxx: Device or resource busy In the warning message, /home is prepended to the path instead of only /tmp/tmp.xxxxxxxxxx. (Please give as answer a simple "unlock this" method, and not complete articles like this one. . 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. Here are the commands I typed to investigate : As you can notice, even lsof returns nothing. Let me know if you need help. Apparently, this is the Correct Version that has solved this Problem: Thanks for contributing an answer to Super User! fusermount: failed to unmount : Device or resource busy, MMSIM15.10.284_Hotfix.7zcadenceMMSIM15110. Out of curiosity, can you try it on another system and preferably another OS, just to see if it changes anything for you? Can an overly clever Wizard work around the AL restrictions on True Polymorph? So I restarted the netatalk daemon on the server. - -This program must be run as the root user. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. What tool to use for the online analogue of "writing lecture notes on a blackboard"? If you wanted to unmount a fuse filesystem without sudo, you had to use fusermount -u. How can I update NodeJS and NPM to their latest versions? Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument, same output before. How to draw a truncated hexagonal tiling? local/mnt: 1725e(root) 5645c(shasankarora), ps -ef | grep 1725 <--> ps -ef | grep
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