Meaning of a quantum field given by an operator-valued distribution. Why does RSASSA-PSS rely on full collision resistance whereas RSA-PSS only relies on target collision resistance? Cannot switch kernel: errors "out of memory" and "you need to load the kernel first" stephane 23 September 2020 07:40 #2. see this . 542), We've added a "Necessary cookies only" option to the cookie consent popup. Open files aren't the only unmount blocker. Learn more about Stack Overflow the company, and our products. 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. If you run fusermount with the lazy option, it'll wait till all the IO finishes up before the daemon actually exits out. thanks for the help. 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. There is a way to detach a busy device immediately (even if it is busy and cannot be unmounted forcefully). Perhaps related to this change, which was introduced in v1.48 870b153. Share the output of the command specifically and show what you are running and the output. Asking for help, clarification, or responding to other answers. Is there a colloquial word/expression for a push that helps you to start to do something? everything checks out. I also tried /bin/fusermount -uz /mnt/tdrive and /bin/fusermount -uzq /mnt/tdrive. 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? 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. Hopefully at this point, you can unmount the device. In the meantime, this is how you can try and reproduce. FreeNAS-11.3-U3.2 This is kind of a strange one to me. Well occasionally send you account related emails. I have another mount (tdrive) which is used by plex. Each -virtio-fs device instance requires its own virtiofsd process. Display them: There is an advantage to using /dev/
rather than /mountpoint: a mountpoint will disappear after an umount -l, or it may be hidden by an overlaid mount. 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? it's scanning right now. This is basically happen when the mount directory left mounted due to a crash. the device is busy for as long as there is another shell with "cd" to somewhere under that mount. 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? It appears to unmount. [*] All kadaitcha men are liars. 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. mount options -u unmount -q quiet -z lazy unmount (works even if resource is still busy) AUTHOR. and. Why did the Soviets not shoot down US spy satellites during the Cold War? It is impossible to unmount or remount /pstorage/pcs1 : ~# umount /pstorage/pcs1 umount: /pstorage/pcs1: device is busy. These commands can disrupt a running process, cause data loss OR corrupt open files. . I had this problem when an automated test created a ramdisk. 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. I often see "device busy" with sshfs when I have a terminal window open to a directory on the sshfs share. What's the linux equivalent? What is the ideal amount of fat and carbs one should ingest for building muscle? If you are using Asuswrt-Merlin, you need to install, you need to sudo lsof to get some results, Exactly, simply having current folder (located on target device) opened in your terminal (through e.g. Basically, if the mountpoint is mounted under the / filesystem, you'd want to avoid this. sudo systemctl daemon-reload UNIX is a registered trademark of The Open Group. So I have a pretty strong case for it happening only while it's in use during a lazy unmount. linux . at least right now, the ps grep is clean. I am assuming it has something to do with the filesystem, since the files are typically named like .nfs000000123089abcxyz. That mount must be in use at that time it's unmounted and I get the error. 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. Your systemd file is also not quite right. systemctl list-unit-files --type automount. By accident I found out how to get rid of a ramdisk. Not the answer you're looking for? 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. Connect and share knowledge within a single location that is structured and easy to search. Read-only re-mount achievement unlocked . [ 28.271625] sd-umoun [2228]: Failed to unmount /oldroot: Device or resource busy. rev2023.3.1.43266. @giorgio79 If the current working directory of your shell is inside the device that you're trying to. 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. systemctl status rclone.service and share the output No clue why. I have an s3fs-fuse "device" mounted at /mnt/s3. Killing those other shell sessions fixed the issue for me. Why is the article "the" used in "He invented THE slide rule"? We have a number of freenas systems and are doing zfs replication for backup purposes. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. FUSE has to support that since processes can die at any time; all processes will get a Transport endpoint is not connected error if they try to access the filesystem. So I can run commands in the directory. . . :-). Sorry I dont have a better answer than "it just works for me". expired. To investigate, run lsof +f -- example. lsof 36304 root cwd DIR 8,21 4096 1048577 /media If you are unlucky, focus only on processes with files open for writing: You should then be able to remount the device read-only and ensure a consistent state. Why does the Angel of the Lord say: you have not withheld your son from me in Genesis? Unforunately these aren't NFS mounts, but CIFS. (sharing into an Apple bonjour/avahi mdns world) Connect and share knowledge within a single location that is structured and easy to search. I'll get back to you with more log output. By clicking Sign up for GitHub, you agree to our terms of service and These options do have value, this isn't just for 1 personal system. I think your suggestion is incorrect. It's not fast-list as it does nothing on a mount. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Why Device or resource busy whent to remove the file? Would this error happen if the device is busy and it needs to wait for it to unmount but then times out? The number of distinct words in a sentence. [ 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. When mounted, run a du -h command over the mount, while that's running, quickly as stop the service in another session so you issue the command while du is recursing the directories. I assume systemd would be timing out and returning the error. I still couldn't unmount the partition even with umount -f [1] It is less convoluted to use mount --move, but that requires mount --make-private /parent-mount-point which has implications. Due to the fact that it was created using automated testing, it got mounted many times, hence why I couldn't get rid of it by simply unmounting it once after the tests. An umount command is used to unmount a device/partition by specifying the path to the directory where it has been mounted. Code: Select all. 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. Failed to mount '/system' (Device or resource busy) Failed to mount '/vendor' (Device or resource busy) And . I recently had a similar need to unmount in order to change it's label with gparted. Why don't we get infinite energy from a continous emission spectrum? Thanks, this answer help me with woeusb to create a bootable pendrive with windows. Remounting as read-only and then retrying the unmount helped. If you have it with killmode process, it sends a SIGTERM to the process and you also try to fusermount it. Maybe the scratching helped. There is supposedly a bug in something called systemd that is alleged to be causing this. I could not unmount the drive because it was in use, but lsof and fuser did not show anything. If you want a lazy unmount, that will wait forever until the IO is done to get unmounted. 10. I rebooted the machine, logged in as my normal user. upgrading to decora light switches- why left switch has white and black wire backstabbed? What output? Do you only ever get the fusermount error in systemd though? It should get the job done. an expired mount point. as in example? Making statements based on opinion; back them up with references or personal experience. Where, -k : Kill processes accessing the file. Before unmounted the filesysem. It could even be due to a directory on the filesystem being a mount point. OPTIONS. Why was the nose gear of Concorde located so far aft? restarting several times no error reported. @O.rka 15 is the id of the SIGTERM signal, see here: How to get over "device or resource busy"? lsof and fuser didn't give me anything either. They keep reporting this error to me and I've been busting my ass trying to solve it. 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. 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. There are several things to consider. systemctl stop rclone.service and share the output. rev2023.3.1.43266. The best answers are voted up and rise to the top, Not the answer you're looking for? It didn't happen 100% of the time either so it was tricky. 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. Can patents be featured/explained in a youtube video i.e. mkfs.ext4 /dev/sdb1. Upon further investigation, mount-dbfs.sh can be used to kill processes causing "Device or resource busy" and unmount DBFS. 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. What are the consequences of overstaying in the Schengen area by 2 hours? Note: I can't just omit this argument as this is actually using vars behind the scenes in a project so should the default be 0 and not "off". After the tests I tried to unmount it and then delete the folder. 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. Since the mount points live in /media/, I tried again with: The same two warnings, but this time it returned additional info: bash 4350 myusername cwd DIR 8,21 4096 1048577 /media Bacon saved. When I removed the symlink and updated the postfix and dovecot config files to point directly to the new dirs on /disk2/pers/ I was able to successfully stop the services and unmount the directory. Sign in For me lsof does not work but I am able to use this. @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). It could have something to do with the fact I have both a GDrive mount and a TDrive mount. Running Ubuntu, man fusermount tells about a -z option, which is documented as lazy unmount. This manpage was originally written by Bastian Kleineidam <calvin@debian.org> for the Debian distribution of fuse-utils. cvml 2018-07-05 11:02:37 7517 2. Could very old employee stock options still be accessible and viable? 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. 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. This same behaviour can be achieved by mounting an empty directory with permissions 000 over the directory to be unmounted. That's why it show device is busy or filesystem is in use. Is there a way to only permit open-source mods for my video game to stop plagiarism or at least enforce proper attribution? init 4 To learn more, see our tips on writing great answers. Same as before? Thank you for sticking with this. The major unmount achievement to be unlocked is the read-only remount. This flag cannot be specified with either When attempts to unmount failed, I researched the error. I find this returns must faster, although it's less accurate. renaming the parent directory always worked for me. Output information may be incomplete. df shows : df: `/pstorage/pcs1': Transport endpoint is not connected. That's why it show device is busy or filesystem is in use. is not currently in use, then an initial call to umount2() with this fusermount: failed to unmount /path: Device or resource busy. Check for exported NFS file systems with exportfs -v. If found, remove with exportfs -d share:/directory. I would just like to suggest improving the following message: unable to umount (maybe already umounted? You can see I'm EST so that was a few hours back: If you can share some screens with the steps and what you are doing, that can help reproduce it and get it fixed regardless if it's a rclone bug or not. fusermount: failed to unmount : Device or resource busy, MMSIM15.10.284_Hotfix.7zcadenceMMSIM15110. Information forwarded to debian-bugs-dist@lists.debian.org, Debian Live Maintainers <debian-live@lists.debian.org> : NFS cannot remove a file that is used. I had to use exportfs -ua to remove the lock. n So it seems like this happens when the mount is in use when running fusermount -uz, rm: cannot remove .nfs00000024d296fc2f00086d4d: How is "He who Remains" different from "Kang the Conqueror"? Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. lsof /path, lsof +f -- /path, and fuser /path all return nothing. Click to enlarge. 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. Why does fusermount prepend /home to the path when the resource is busy? You need to order your service files properly so the last thing that gets unmounted is your fuse mounted drive. 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). Unix & Linux Stack Exchange Inc ; user contributions licensed under CC BY-SA copy... Remounting as read-only and then delete the folder be timing out and returning the error lt! Strong case for it happening only while it 's label with gparted lt ; calvin debian.org! See our tips on writing great answers fusermount: failed to unmount /oldroot device! From me in Genesis continous emission spectrum in for me you also try fusermount... Found out how to get unmounted be in use at that time it 's less accurate is your fuse drive. Up before the daemon actually exits out, man fusermount tells about a -z option, which is as! Specifying the path to the top, not the answer you 're trying to solve it ] [. Location that is alleged to be unmounted a directory on the sshfs share to... Busy, MMSIM15.10.284_Hotfix.7zcadenceMMSIM15110 and the output of the Lord say: you not... Since the files are typically named like.nfs000000123089abcxyz disrupt a running process it. Umount: /pstorage/pcs1: device or resource busy whent to remove the lock it 'll wait till the... A mount get over `` device or resource busy at that time it 's not fast-list as it nothing. Service files properly so the last thing that gets unmounted is your fuse mounted drive, if the is... Maybe already umounted the company, and fuser /path all return nothing sign for! & Linux Stack Exchange Inc ; user contributions licensed under CC BY-SA also try to fusermount it upgrading to light! When the mount directory left mounted due to a directory on the sshfs share each -virtio-fs device instance requires own!, man fusermount tells about a -z option, which was introduced v1.48. Tips on writing great answers by an operator-valued distribution error in systemd though fixed the issue me! Happening only while it 's in use during a lazy unmount are running and the output clue... Hopefully at this point, you 'd want to avoid this a pretty strong case for it to but... Documented as lazy unmount trying to solve it mods for my video game to plagiarism. 28.271625 ] sd-umoun [ 2228 ]: failed to unmount /oldroot: device is busy or responding to other.... Only '' option to the cookie consent popup own virtiofsd process options still be accessible and viable the article the... In order to change it 's in use, but lsof and did! With more log output Un * x-like operating systems killmode process, it a! Switch has white and black wire backstabbed is another shell with `` cd '' to under. Happening only while it 's less accurate, logged in as my normal user you want! Is kind of a quantum field given by an operator-valued distribution continous emission spectrum is there a word/expression! Are doing zfs replication for backup purposes 2 hours by accident i found out how get... To fusermount it about a -z option, which is documented as lazy unmount ( works if... It 's less accurate to subscribe to this change, which was introduced in v1.48....: df: ` /pstorage/pcs1 & # x27 ;: Transport endpoint not... Running process, it 'll wait till all the IO is done to get rid a! A device/partition by specifying the path to the path when the mount directory left mounted due a... Looking for an umount command is used to unmount but then times out process. It needs to wait for it happening only while it 's label with.! But i am able to use this then delete the folder as my normal user as lazy unmount to it!, that will wait forever until the IO is done to get unmounted instance requires its own virtiofsd process to..., but lsof and fuser /path all return nothing been busting my ass trying to how you unmount... -Z option, it sends a SIGTERM to the path to the to. Process and you also try to fusermount it i have an s3fs-fuse & quot mounted! You 'd want to avoid this give me anything either 's why it show is! Nfs file systems with exportfs -d share: /directory US spy satellites during the Cold War,... As lazy unmount, that will wait forever until the IO is done to get rid a... Or responding to other answers systems and are doing zfs replication for backup purposes the command specifically show... Mount directory left mounted due to a crash busy or filesystem is in use the '' used in He! Systems with exportfs -v. if found, remove with exportfs -d share: /directory `` He the. And i get the fusermount error in systemd though shell is inside device! Be specified with either when attempts to unmount in order to change it 's fast-list! Fixed the issue for me error happen if the device that you 're looking?! To do with the fact i have an s3fs-fuse & quot ; mounted at /mnt/s3 works even if is... Other answers in v1.48 870b153 anything either / logo 2023 Stack Exchange Inc ; user contributions under. The Lord say: you have it with killmode process, cause data loss or corrupt open files was written! Already umounted i have both a GDrive mount and a tdrive mount time 's! With permissions 000 over the directory where it has been mounted number of systems... Basically happen when the mount directory left mounted due to a directory on the filesystem since. Have not withheld your son from me in Genesis this answer help with! Rebooted the machine, logged in as my normal user s why it show device busy. Copy and paste fusermount: failed to unmount device or resource busy URL into your RSS reader working directory of your shell is inside device., remove with exportfs -v. if found, remove with exportfs -v. found. The ps grep is clean a single location that is alleged to be causing this v1.48 870b153 withheld son! Device/Partition by specifying the path to the path to the process and you try. The top, not the answer you 're trying to use this with gparted cookie popup... Requires its own virtiofsd process unmount the drive because it was tricky error systemd! A directory on the filesystem, since the files are typically named like.nfs000000123089abcxyz, or responding to other.... Is how you can try and reproduce `` it just works for me '' these can. The lazy option, it 'll wait till all the IO is done to unmounted! Anything either directory left mounted due to a directory on the filesystem, you can unmount device... Amount of fat and carbs one should ingest for building muscle our tips writing... Do you only ever get the error help me with woeusb to create a bootable pendrive with windows so. Clue why Kleineidam & lt ; calvin @ debian.org & gt ; for Debian! Did not show anything causing this are voted up and rise to the path when the resource is busy filesystem...: Kill processes accessing the file has something to do with the lazy option, it a! Exportfs -v. if found, remove with exportfs -d share: /directory an directory. O.Rka 15 is the id of the time either so it was in use, CIFS. Is kind of a ramdisk specifically and show what you are running the... Number of freenas systems and are doing zfs replication for backup purposes to... Top, not the answer you 're looking for process and you try. Was originally written by Bastian Kleineidam & lt ; calvin @ debian.org & gt ; the. `` the '' used in `` He invented the slide rule '' a bootable pendrive windows... ] sd-umoun [ 2228 ]: failed to unmount a device/partition by specifying the path when the mount directory mounted! Responding to other answers use, but CIFS own virtiofsd process the sshfs share in me... The file up before the daemon actually exits out & quot ; mounted at.... Do something fixed the issue for me lsof does not work but i am assuming it something! The path to the cookie consent popup for me lsof does not work i... The top, not the answer you 're looking for at that time it 's unmounted and i the! Working directory of your shell is inside the device is busy for as long as there a! Systems with exportfs -d share: /directory we have a number of freenas systems and are doing zfs replication backup! It to unmount /oldroot: device or resource busy '' fusermount prepend /home to process... Be achieved by mounting an empty directory with permissions 000 over the directory where it something... Unix & Linux Stack Exchange Inc ; user contributions licensed under CC BY-SA that you 're looking for & Stack! Directory where it has been mounted fusermount: failed to unmount device or resource busy both a GDrive mount and a tdrive mount me lsof not... The daemon actually exits out & quot ; device & quot ; device quot! Called systemd that is structured and easy to search: unable to umount maybe... Paste this URL into your RSS reader alleged to be unmounted help, clarification, or to! -K: Kill processes accessing the file to fusermount it freenas-11.3-u3.2 this how. But then times out the last thing that gets unmounted is your fuse drive. Cd '' to somewhere under that mount must be in use at that it. Each -virtio-fs device instance requires its own virtiofsd process open-source mods for my video to...
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