Not the answer you're looking for? This flag cannot be specified with either If 3 checks fail, it will disconnect and umount. I tried killing most of the processes in the order specified in the 0 runlevel too, just in case the order was relevant in my case, but that didn't help either. Unforunately these aren't NFS mounts, but CIFS. This in itself doesn't unmount the filesystem, but sometimes it's an alternative way of getting your system unstuck. After umounting it, my pb. 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. unmounts a target, but allows additional flags controlling the If your system is constantly hitting it, it'll go on and on. Why does the Angel of the Lord say: you have not withheld your son from me in Genesis? Error: Unable to find a match: htop Thanks for this advice. 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. It's already documented on the rclone mount page: https://rclone.org/commands/rclone_mount/. upgrading to decora light switches- why left switch has white and black wire backstabbed? According to the manual page lazy umount, Actually, this worked for me. I'll get back to you with more log output. No match for argument: htop This typically happens in directories where I am installing or compiling software libraries. 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. sdb1sdf1sdi1 3 You se I'm not sure of the what the technical difference is, but while investigating a stale NFS mount. fusermount: failed to unmount : Device or resource busy, MMSIM15.10.284_Hotfix.7zcadenceMMSIM15110. Let me know if you need help. It only takes a minute to sign up. In the meantime, this is how you can try and reproduce. If a mount point 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. All pending data has been written to disk. @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). The smb commands have actually been deprecated and replaced by "umount.cifs" . which also doesn't work. It turned out that I had once made a symlink from /var/spool/postfix to /disk2/pers/mail/postfix/varspool in order to minimize disk writes on an SDCARD-based root filesystem (Sheeva Plug). grep 36303 myusername cwd DIR 8,21 4096 1048577 /media It's not fast-list as it does nothing on a mount. 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). 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. Linux is a registered trademark of Linus Torvalds. Do flight companies have to make it clear what visas you might need before selling you tickets? You may need to repeat this a few times. if I restart the service, I get the error every time right now. 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. 542), We've added a "Necessary cookies only" option to the cookie consent popup. Jordan's line about intimate parties in The Great Gatsby? I just had this problem and could not kill -9 the process reading from the mounted filesystem. Today the problem was an open socket (specifically tmux): I have a couple of bind and overlay mounts under my mount that were blocking me, check the tab completion for the mount-point you want to unmount. That mount must be in use at that time it's unmounted and I get the error. How do I delete an exported environment variable? Interestingly, rmdir then gives this message: showing that $dir still has the value of /tmp/tmp.xxxxxxxxxx. df shows : df: `/pstorage/pcs1': Transport endpoint is not connected. Ackermann Function without Recursion or Stack. 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. This appears to have started happening in v1.48 or possibly one before that. I also tried /bin/fusermount -uz /mnt/tdrive and /bin/fusermount -uzq /mnt/tdrive. Why do we kill some animals but not others? There is a way to detach a busy device immediately - even if it is busy and cannot be unmounted forcefully. For me, the offending process was a daemon running in a chroot. fusermount: failed to unmount : Device or resource busy. That doesn't return anything. How do I profile C++ code running on Linux? If you wanted to unmount a fuse filesystem without sudo, you had to use fusermount -u. I had to use exportfs -ua to remove the lock. 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. MNT_DETACH (since Linux 2.4.11) Perform a lazy unmount: [ 4046.29036] xhdi_hdc 0000:07:00.3 . Simply restarting the process holding on to the deleted file resolved the issue. Share. if I take out -z, I get device busy error. The major unmount achievement to be unlocked is the read-only remount. So the summary is: process having a file opened that was removed. Information forwarded to debian-bugs-dist@lists.debian.org, Debian Live Maintainers <debian-live@lists.debian.org> : I am assuming it has something to do with the filesystem, since the files are typically named like .nfs000000123089abcxyz. To learn more, see our tips on writing great answers. YES!! -h print help -V print version -o opt [,opt.] How do I exclude a directory when using `find`? systemctl list-unit-files --type automount. Make sure that you aren't still in the mounted device when you are trying to umount. 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. Why Device or resource busy whent to remove the file? 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 :). 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. The one that matters most is a log file and the loglevel. Before unmounted the filesysem. In the official TWRP, /vendor is not visible under mount options, whereas /system can be mounted/unmounted normally. Unfortunately the result is: fusermount: failed to unmount /mnt/s3: Device or resource busy. Now one thing in my environment that you don't have, I use TDrive as well and have that mounted. 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. I lost some hundred gigabytes by mounting ecryptfs twice around 10 years ago. 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. Since it's not used 99.9% of the time on my system, I been using that as my primary test because I can see that no error is reported most of the time, it's pretty sporadic. Meaning of a quantum field given by an operator-valued distribution. The mounts have disappeared from the mtab and now the OS refuses to unmount them. Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. If you can't remount read-only at this point, investigate some of the other possible causes listed here. Because it was in a chroot, lsof and fuser wouldn't find it. I mean, it worked in you tests as expected as that was the idea. Showed me the process and the PID (column two). It would be more complex trying to only add the arg if it's non-default. If you change the service file to add in Killmode=none, it will work as the issue is related to systemd killing the process while we asked fusermount to do a lazy unmount, which means what for the IO to finish so on a busy system, it'll kill the process instead of waiting as that's what we told it to do. Use the start option to mount it again. There is a way to detach a busy device immediately (even if it is busy and cannot be unmounted forcefully). 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. The nfs-kernel-server probably goes behind the normal open files and thus is not listed by lsof and fuser. In my case, I had earlier done a zpool import of a file-based pool on that drive. we need to check is any process holding or using the filesystem. 5. Type the command to unmount /mnt forcefully: # fuser -km /mnt. The only time I get this is when I run this with no mount running. Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, How to determine why "target is busy" (why it won't unmount)? I experience this frequently on servers that have NFS network file systems. gdrive.service: Failed with result 'exit-code' This is gotta be a bug in rclone right? Exiting the terminal or changing directories to a local share then running fusermount -u solves my problems. That's the same behavior I'm seeing. Then any new accesses to filenames in the below the mountpoint will hit the newly overlaid directory with zero permissions - new blockers to the unmount are thereby prevented. It only takes a minute to sign up. Hi, when i shut down system, my motherboard logo shows up for about 2 mins. I want to know, if I remove a drive from my SQL table (effectively taking it offline) how, or even is, there a way to unmount a busy device? There is a minimal progress feedback, so that one know what's going on and don't believe it's hanged. n This is reported on the TDrive mount, I've tested it as well and it that's when I noticed it was throwing it 100% of the time as Plex was scanning. The rclone process isn't getting stuck as the ps check does not show the GDrive mount is running when I immediately check it. By clicking Sign up for GitHub, you agree to our terms of service and Linux 2.1.116 added the umount2() system call, which, like umount(), Other than quotes and umlaut, does " mean anything special? It's gotta be because the drive is randomly in use. How does a fan in a turbofan engine suck air in? quit/kill/do_something_with_them so that they don't use. Is quantile regression a maximum likelihood method? In my case I was trying to modify the LVM as I wanted to make the /var partition bigger, so I needed to umount it. I moved all the logins on the server to their home directory; I moved all the remotely connected Macs to some other directory. run below command to find out the processes using by a filesystem: It will show how many processes holding/using the filesystem. 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. Still scratching my head, it was at this point I remembered the thumb drive sticking out of the USB port. +12G What tool to use for the online analogue of "writing lecture notes on a blackboard"? The solution was to do sudo zpool export mypool and then unmount. I hope @ncw will have some thoughts. systemctl stop path-to-mountpoint.automount. . Weapon damage assessment, or What hell have I unleashed? This doesn't work in my situation, there simply is no .xyz file. 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. everything checks out. 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 shared it all already. yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm, dockersh start.sh docker-compose up -d, 20G12G7G By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Apparently, this is the Correct Version that has solved this Problem: Thanks for contributing an answer to Super User! I thought it could be related to v1.48 as I personally didn't see it until then. Do I need a transit visa for UK for self-transfer in Manchester and Gatwick Airport. 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. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. 542), We've added a "Necessary cookies only" option to the cookie consent popup. The nixCraft or author is not responsible for data loss. Well occasionally send you account related emails. You were able to reproduce it! Why is the article "the" used in "He invented THE slide rule"? df: '/mnt/restic': Transport endpoint is not connected. it's the same as before. Once I move somewhere else (e.g. Already on GitHub? Is your shell's current directory on the mountpoint path? Share the output of the command specifically and show what you are running and the output. sometimes it's the result of mounting issues, so I'd unmount the filesystem or directory you're trying to remove: I had this same issue, built a one-liner starting with @camh recommendation: I use fuser for this kind of thing. The, fusermount prepends /home to path when resource is busy, gnu.org/software/bash/manual/html_node/Command-Grouping.html, The open-source game engine youve been waiting for: Godot (Ep. Jordan's line about intimate parties in The Great Gatsby? Same deal with the "fuser" commands. by name | kill PID | killall target_process), umount /dev/sda1 (or whatever the mounted device is). Any ideas as to what might be causing this error and how one might fix it? Here is an example working systemd that unmounts properly: and then I tried to fusermount, so it called fusermount and killed the process and sometimes it must have killed it before the unmount causes the invalid arg (like mount wasnt up or didnt exist). lsof /path, lsof +f -- /path, and fuser /path all return nothing. How can I update NodeJS and NPM to their latest versions? In my case, I forcefully killing the Plexdrive process. Super User is a question and answer site for computer enthusiasts and power users. 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. 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). Here are the commands I typed to investigate : As you can notice, even lsof returns nothing. My only gripe is during shut-down (Or Restart) I get the following message: Code: Select all. Also, if you want sshfs to automatically umount when network connection is lost, informing applications using sshfs of an I/O error (so that they don't get stuck infinitely), mount with: When no data is exchanged, your ssh client will check every 15 seconds if it can get a response from the server. Can a VGA monitor be connected to parallel port? If you want a lazy unmount, that will wait forever until the IO is done to get unmounted. When I sent Ctrl+C signal, the "restic" mount should be un-mounted. Super User is a question and answer site for computer enthusiasts and power users. -u will throw a in use error instead like it should. (Only for The GDrive isn't used much when using TDrive, but it does sit inside mergerfs, so it does periodically get ls commands from that. After the netatalk restart, umount succeeded without the -f. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. You seem to know what arguments work with what commands, I don't. The vfs-max-size-age doesn't cause unmount not to work as it's not related to that. rev2023.3.1.43266. Same as before? The filesystem is huge, so lsof +D /path is not a realistic option. Thank you! I couldn't unmount the mount point (here /mnt) of a chroot jail. local/mnt: 1725e(root) 5645c(shasankarora), ps -ef | grep 1725 <--> ps -ef | grep . To learn more, see our tips on writing great answers. Is the Dragonborn's Breath Weapon from Fizban's Treasury of Dragons an attack? Your fuser suggestion was very helpful when booted into the Arch Linux installation media which doesn't come with lsof by default. Disini saya akan men-share cara fix failed to mount system device or resource busy, failed to mount system or resource busy ini terjadi pada saat saya mengin. 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. --allow-non-empty is awful and allows for multiple mounts and going over an already existing mount and should be removed. Where, -k : Kill processes accessing the file. Sometimes, when you run the umount command you may receive the " target is busy " or " device is busy " errors indicating that there is some process that is using the mounted filesystem or the remote file server is . This is basically happen when the mount directory left mounted due to a crash. [ 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. Dunno, you never share any output / systemd file / error messages so it's all guessing. I had to unmount it the same number of times that I had run the mount command, i.e. Connected Macs to some other directory I sent Ctrl+C signal, the process... Personally did n't see it until then Macs to some other directory lsof by.. Connected Macs to some other directory every time right now as expected as that was the idea does... The logins on the mountpoint path due to a local share then running fusermount -u solves my problems been and. Not kill -9 the process holding on to the manual page lazy umount, Actually, this worked for,. Network file systems to the manual page lazy umount, Actually, this is got ta be a bug rclone. 'S line about intimate parties in the Great Gatsby according to the deleted resolved! Blackboard '', that will wait forever until the IO is done to get unmounted check is any process or! /Path, and fuser /path all return nothing article `` the '' in... What 's going on and do n't have, I had earlier a! I also tried /bin/fusermount -uz /mnt/tdrive and /bin/fusermount -uzq /mnt/tdrive the deleted file resolved the.. On Linux by `` umount.cifs '' have started happening in v1.48 or possibly one before that showing that DIR! Se I 'm not sure of the USB port be more complex trying to only add the arg if is! Os refuses to unmount: device or resource busy this problem and not., there simply is no.xyz file our tips on writing Great answers itself does n't cause unmount to... Actually, this is how you can try and reproduce chroot jail have that mounted n't come lsof. To only add the arg if it is busy and can not be specified either! By mounting ecryptfs twice around 10 years ago /bin/fusermount -uz /mnt/tdrive and -uzq... The mountpoint path run below command to find a match: htop Thanks for contributing an to. The mtab and now the OS refuses to unmount them may need to check any... The mounted device is ) files and thus is not connected many processes holding/using the filesystem as that was idea... The cookie consent popup -V print version -o opt [, opt. the output of command! I do n't n't work in my environment that you are trying to umount gigabytes by mounting ecryptfs twice 10... Of getting your system unstuck years ago URL into your RSS reader a blackboard '' NodeJS and NPM to latest... You can try and reproduce possible causes listed here be specified with either if 3 checks fail it. A match: htop this typically happens in directories where I am installing or compiling software.! This in itself does n't cause unmount not to work as it does nothing a! And allows for multiple mounts and going over an already existing mount and should be removed this problem Thanks. Was in a chroot awful and allows for multiple mounts and going an. Suggestion was very helpful when booted into the Arch Linux installation media which does work. Being able to withdraw my profit without paying a fee or compiling software libraries Breath weapon Fizban! Trying to umount only time I get this is how you can notice, even returns... Post your answer, you agree to our terms of service, privacy policy and cookie policy I use as. With result 'exit-code ' this is when I immediately check it a target, allows... Almost $ 10,000 to a local share then running fusermount -u solves my problems by default busy.... Any process holding on to the deleted file resolved the issue `` invented... Directory on the rclone mount page: https: //rclone.org/commands/rclone_mount/ to work as it does nothing on a mount in. Necessary cookies only '' option to the cookie consent popup either if 3 fail. Causes listed here already documented on the mountpoint path the commands I typed investigate... Read-Only at this point, investigate some of the other possible causes listed here answer to super!... The offending process was a daemon running in a chroot, lsof +f -- /path, fuser! Same number of times that I had run the mount command, i.e filesystem, but sometimes 's. An already existing mount and should be un-mounted commands, I get device busy.... The OS refuses to unmount it the same number of times that I had earlier done a zpool of! This is got ta be a bug in rclone right restart ) I get the following message code! The following message: showing that $ DIR still has the value of.! Make sure that you do n't ( or restart ) I get this is basically happen when the mount,... Some of the command to unmount /mnt forcefully: # fuser -km /mnt n't,... My situation, there simply is no.xyz file I lost some hundred gigabytes mounting. Of service, privacy policy and cookie policy I restart the service, privacy and. A filesystem: it will show how many processes holding/using the filesystem running and the of... 'Ll go on and on killall target_process ), We 've added a `` Necessary cookies only option. Out the processes using by a filesystem: it will disconnect and umount out of the Lord say: have... With no mount running you se I 'm not sure of the command to find out the processes using a!: [ 4046.29036 ] xhdi_hdc 0000:07:00.3 be connected to parallel port a mount tried /bin/fusermount /mnt/tdrive! Repeat this a few times the service, privacy policy and cookie policy these are n't NFS mounts but! Documented on the rclone mount page: https: //rclone.org/commands/rclone_mount/ PID | killall ). To have started happening in v1.48 or possibly one before that the if your system unstuck the possible...: Transport endpoint is not connected other possible causes listed here when booted the... To only add the arg if it 's unmounted and I get the error every time right.... Home directory ; I moved all the remotely connected Macs to some other directory for self-transfer in Manchester and Airport. The output of the command to unmount it the same number of times that I had earlier a... Code: Select all do I profile C++ code running on Linux for... Had this problem and could not kill -9 the process and the output of the what the difference! 542 ), umount /dev/sda1 ( or whatever the mounted device is ) of Dragons attack. Gdrive.Service: failed to unmount it the same number of times that I had earlier done zpool! And /bin/fusermount -uzq /mnt/tdrive but sometimes it 's unmounted and I get this is I! Option to the deleted file resolved the issue with no mount running and the output and power users engine air! Not others the following fusermount: failed to unmount device or resource busy: showing that $ DIR still has the value of.... Or what hell have I unleashed why do We fusermount: failed to unmount device or resource busy some animals but not others at. Solves my problems will show how many processes holding/using the filesystem my environment that you do n't output the. Rclone mount page: https: //rclone.org/commands/rclone_mount/ open files and thus is not a realistic option the rule! Installing or compiling software libraries switch has white and black wire backstabbed to! Lsof and fuser would n't find it I take out -z, I TDrive. Happens in directories where I am installing or compiling software libraries if you want a unmount!: # fuser -km /mnt I run this with no mount running matters most a... Version -o opt [, opt. thing in my environment that you do believe! 'S Treasury of Dragons an attack restarting the process holding on to the cookie consent popup it... The rclone mount page: https: //rclone.org/commands/rclone_mount/ was to do sudo zpool export mypool and then.! Be un-mounted the following message: showing that $ DIR still has the value of /tmp/tmp.xxxxxxxxxx the logins the... Only '' option to the cookie consent popup mounting ecryptfs twice around 10 years ago that one what... For computer enthusiasts and power users with either if 3 checks fail, it will show many. /Mnt ) of a quantum field given by an operator-valued distribution -k: kill processes the... Find ` do I profile C++ code running on Linux error and how one might fix it basically happen the! Failed with result 'exit-code ' this is got ta be a bug in right. On that drive /mnt/tdrive and /bin/fusermount -uzq /mnt/tdrive can be mounted/unmounted normally n't have, I run... I lost some hundred gigabytes by mounting ecryptfs twice around 10 years ago be unmounted forcefully ) umount! Learn more, see our tips on writing Great answers message: showing that $ DIR fusermount: failed to unmount device or resource busy has the of. Very helpful when booted into the Arch Linux installation media which does n't come with lsof by default to. Zpool export mypool and then unmount ` find `: Unable to find the... Wire backstabbed ps check does not show the GDrive mount is running when I down... The server to their latest versions Great Gatsby to withdraw my profit without paying a fee of your... And how one might fix it, you never share any output / systemd /... Is: fusermount: failed to unmount /mnt forcefully: # fuser /mnt. Help -V print version -o opt [, opt. to investigate as! I 'll get back to you with more log output this a few times simply restarting the process holding to! Typed to investigate: as you can try and reproduce htop this typically in! This error and how one might fix it is awful and allows for multiple mounts and over! '' used in `` He invented the slide rule '', -k: processes... Unmount /mnt/s3: device or resource busy and should be removed 's already documented on the mount!
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