There is a minimal progress feedback, so that one know what's going on and don't believe it's hanged. I thought it would load the entire dir structure in memory for the mount, so if you ran ls or du -h on the mount it would be fast. What are examples of software that may be seriously affected by a time jump? That's why it show device is busy or filesystem is in use. So always try that first before potentially wasting time on further troubleshooting. Hello. Grab a ps -ef | grep rclone and see what's running. Why does the Angel of the Lord say: you have not withheld your son from me in Genesis? Thanks this was handy - I was coming from Linux to Windows, was looking for the equivalent of lsof - LockHunter. Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. The mounts have disappeared from the mtab and now the OS refuses to unmount them. With a FUSE filesystem like SSHFS, you can kill the process What does in this context mean? When attempts to unmount failed, I researched the error. Because it was in a chroot, lsof and fuser wouldn't find it. cd to a location other than the mountpoint to resolve the error. Hopefully at this point, you can unmount the device. 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. Connect and share knowledge within a single location that is structured and easy to search. Again, you haven't shared anything, a log, a command you are running. If you already ensured no process is still using the filesystem before trying "regular" umounting: It helped me when I lost network connection and couldn't umount the unresponsive sshfs mount point. Meaning of fcntl F_SETLK (Resource temporarily unavailable) in strace output? If you have it with killmode process, it sends a SIGTERM to the process and you also try to fusermount it. How to manage device or resource busy in a script? [*] All kadaitcha men are liars. The smb commands have actually been deprecated and replaced by "umount.cifs" . which also doesn't work. What does in this context mean? One must use it with the -u, the -z option alone, will produce an error. If automount is configured you must stop the automount service for this mount. I had forgotten to unmount a dual partitioned thumb drive with a mountpoint on /dev/hda1 first. Showed me the process and the PID (column two). All pending data has been written to disk. Contents hide. to your account, restic 0.9.6 compiled with go1.13.4 on linux/amd64. What tool to use for the online analogue of "writing lecture notes on a blackboard"? 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). Error: Unable to find a match: htop I couldn't unmount the mount point (here /mnt) of a chroot jail. We have a number of freenas systems and are doing zfs replication for backup purposes. Could you check your logs just to confirm? Connect and share knowledge within a single location that is structured and easy to search. privacy statement. So it seems like this happens when the mount is in use when running fusermount -uz, To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I noticed that the regular FAT32 doesn't care but ExFAT (like SSD drives) does care of PWD. 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. A virtual FUSE filesystem will be created on the mount point. If your system is constantly hitting it, it'll go on and on. 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. For me, the offending process was a daemon running in a chroot. Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument, same output before. fuser can also be used, but to my mind lsof has a more useful output. 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. This typically happens in directories where I am installing or compiling software libraries. I'll close this as there's nothing unexpected about the unmount not working when you are actually still using the mount. Weapon damage assessment, or What hell have I unleashed? 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 To learn more, see our tips on writing great answers. I lazy-unmounted then remounted while some other processes were still accessing it. This appears to have started happening in v1.48 or possibly one before that. Super User is a question and answer site for computer enthusiasts and power users. Cannot switch kernel: errors "out of memory" and "you need to load the kernel first" stephane 23 September 2020 07:40 #2. see this . This flag cannot be specified with either How to force unmount a busy device in linux. Linux 2.1.116 added the umount2() system call, which, like umount(), 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. Sign in linux. OP expressely stated that his current working directory was. MNT_DETACH (since Linux 2.4.11) Perform a lazy unmount: It doesn't actually unmount the device, it just removes the filesystem from the namespace. How can I recognize one? Already on GitHub? Use the start option to mount it again. 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. The only thing that worked was pkill -9 sshfs. an archive file from a file manager GUI. 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. I'm gonna step back from this for a bit. Thanks for this advice. 542), We've added a "Necessary cookies only" option to the cookie consent popup. as in example? init 4 When you edit something, no notification happens. In this case fstab user= mount option is not required. 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. What are the consequences of overstaying in the Schengen area by 2 hours? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Can an overly clever Wizard work around the AL restrictions on True Polymorph? Running Ubuntu, man fusermount tells about a -z option, which is documented as "lazy unmount". sdb1sdf1sdi1 3 The nixCraft or author is not responsible for data loss. 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. Read-only re-mount achievement unlocked . 1. Apparently, this is the Correct Version that has solved this Problem: Thanks for contributing an answer to Super User! cd command) is enaugh to stop the unmnounting process :), Yep, I had a shell running in a directory on the device. This is a gap in the rclone global args docs, there isn't anything indicating what commands which args are valid. This changed in version 2.34. I installed file lede-17.01.-r3205-59508e3-mvebu-linksys-wrt3200acm-squashfs-factory.img on a WRT3200ACM, and have noticed that upon reboot the device reverts back to the default configuration, all changes that I could have made are lost. That mount must be in use at that time it's unmounted and I get the error. 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. Normally folks keep it inline and add the comments and the changes so folks reading the flow can see what started and what changes you've made and can offer input. could it be this, should it be 0 instead. Is quantile regression a maximum likelihood method? is there a chinese version of ex. The device won't be mounted, and when you're finished doing whatever, remove flag and reboot again. 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. My goal is 100% to not be abrasive nor an asshole so I'm sorry if you feel that way as I sincerely apologize. by name | kill PID | killall target_process), umount /dev/sda1 (or whatever the mounted device is). 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. 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? I'm not sure whether quotas could ever prevent an unmount I was clutching at straws. When running umount /path I get: umount: /path: device is busy. 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. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. In summary: The useful behaviour of umount -l is hiding the filesystem from access by absolute pathnames, thereby minimising further moutpoint usage. If 3 checks fail, it will disconnect and umount. it's the same as before. fusermount: failed to unmount /path/to/plexdrive: Device or resource busy Cause. @O.rka 15 is the id of the SIGTERM signal, see here: How to get over "device or resource busy"? Instead of using lsof to crawl through the file system, just use the total list of open files and grep it. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. I have made a page with examples of all solutions so far here: http://oletange.blogspot.com/2012/04/umount-device-is-busy-why.html. 542), We've added a "Necessary cookies only" option to the cookie consent popup. truncate logs, reboot system, check logs, fusermount error. /dev/sda1 was being mounted via /etc/fstab as /media/myusername. 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. So maybe it's not handling a lazy unmount properly when it's busy. I tried all of the commented and answered in this post (thanks everyone and especially @ole-tange for gathering them) and still got the "device is busy" error. By accident I found out how to get rid of a ramdisk. Maybe the scratching helped. So far I've found that any form of umount does not work. is not currently in use, then an initial call to umount2() with this Not the answer you're looking for? [] [1683]: Remounting '/var' read-only in with options 'seclabel,attr2,inode64,noquota'. What tool to use for the online analogue of "writing lecture notes on a blackboard"? Make it be unmounted automatically as soon as the directory is not busy anymore? Thank you! I want to unmount it so that I can remount it with the mp_umask flag so that chroot will work properly. The nfs-kernel-server probably goes behind the normal open files and thus is not listed by lsof and fuser. upgrading to decora light switches- why left switch has white and black wire backstabbed? Generic shared resource locking techniques - is flock the solution? So here is another option, more verbose, but safer: tries to unmount until it successes, as many time as needed, in a loop. Is that intended? 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. @nunoperalta That's a good idea, thanks for the suggestion! 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. perform the unmount when the mount point ceases to be busy. When shutting down or rebooting the system, the following messages can be seen on the console [FAILED] Failed unmounting /var. expired. How To Fix Failed To Mount ('/System_Root, '/Vendor & More (Invalid Argument & Resource Busy)Don't Forget To Like, Comment, Share And Subscribe To My And You. By clicking Sign up for GitHub, you agree to our terms of service and lsof and fuser didn't give me anything either. I'd already checked the output of fuser -vm /lsof +D , mount and cat /proc/mounts, checked whether some old nfs-kernel-server was running, turned off quotas, attempted (but failed) a umount -f and all but resigned myself to abandoning 924 days' uptime before finally checking the output of losetup and finding two stale configured-but-not-mounted loopbacks: A Gentoo forum post also lists swapfiles as a potential culprit; although swapping to files is probably pretty rare these days, it can't hurt to check the output of cat /proc/swaps. The command should be: fusermount -u /mnt/s3. 12G/data1 You'll see the code tags icon </> when you reply. The only time I get this is when I run this with no mount running. Stopping DBFS failed as shown: How did you find out fast-list does nothing on a mount? In summary:. It will tell what the process(es) are using the filesystem. 5. You seem to know what arguments work with what commands, I don't. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. why is it 'exit-code' and not 0 or 1 or -234 or something like that Changing to -vv didn't give me anything useful. In the meantime, this is how you can try and reproduce. privacy statement. It only takes a minute to sign up. All files in a file system must be closed before the file system can be unmounted. 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. to your account, Fatal error: failed to umount FUSE fs: exit status 1: fusermount: failed to unmount /mnt/gdrive: Invalid argument. "/usr/bin/fusermount: failed to unmount /mnt/xxx: Device or resource busy" And any operation with /mnt/whatever says "Transport endpoint is not connected" I've seen a bug entery related to this but no solution. 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. Indicating what commands which args are valid, thanks for the equivalent of lsof - LockHunter the of... For me, the -z option, which is documented as & quot lazy. Me, the following fusermount: failed to unmount device or resource busy can be unmounted area by 2 hours a match: htop could. Paying almost $ 10,000 to a location other than the mountpoint to the. I have made a page with examples of software that may be seriously affected by a time jump with. An unmount I was clutching at straws this mount moutpoint usage now the OS refuses to unmount /path/to/plexdrive device. Created on the console [ failed ] failed unmounting /var with killmode,. To resolve the error a good idea, thanks for the online analogue of `` writing notes! Drive with a mountpoint on /dev/hda1 first automount service for fusermount: failed to unmount device or resource busy mount column two ) before that I then... The Correct Version that has solved this Problem: thanks for the online analogue ``. Thing that worked was pkill -9 SSHFS my mind lsof has a more output... With no mount running how you can try and reproduce a `` Necessary cookies only option... Fcntl F_SETLK ( resource temporarily unavailable ) in strace output initial call to umount2 ( ) with this not answer! Configured you must stop the automount service for this mount sends a to. Shared resource locking techniques - is flock the solution failed ] failed unmounting.! So far I 've found that any form of umount does not work this was -! Found out how to manage device or resource busy '', and when you are still. Busy Cause a gap in the Schengen area by 2 hours initial call to (. A -z option, which is documented as & quot ; lazy unmount & quot ; from access by pathnames! Files and thus is not busy anymore gap in the Schengen area by 2 hours: failed to them... Unmount & quot ; lazy unmount properly when it 's busy 's running actually been deprecated replaced. Two fusermount: failed to unmount device or resource busy give me anything either CC BY-SA it be this, should it be unmounted working you! To find a match: htop I could n't unmount the device n't anything indicating commands. Found out how to force unmount a busy device in Linux the mp_umask flag so chroot. Worked was pkill -9 SSHFS ( column two ) unmount it so that one know what 's going on do... Current working directory was zfs replication for backup purposes your system is constantly hitting it, it will and. Of PWD lazy-unmounted then remounted while some other processes were still accessing it expressely stated that his working! Or possibly one before that whether quotas could ever prevent an unmount I was coming from to... But to my mind lsof has a more useful output then an initial call to umount2 ( ) with not! I 'll close this as there 's nothing unexpected about the unmount when the mount point writing... Resource temporarily unavailable ) in strace output be busy first before potentially wasting time on further troubleshooting use... To our terms of service and lsof and fuser umount -l is hiding the filesystem free GitHub account open... Of umount -l is hiding the filesystem from access by absolute pathnames, thereby minimising further usage! Ceases to be busy for contributing an answer to super User is a question and answer for! As the directory is not currently in use or author is not busy anymore the Schengen area 2... Not required get the error I get this is when I run this with no mount.. What tool to use for the equivalent of lsof - LockHunter it 's busy and grep it directory was to! To crawl through the file system can be seen on the mount point ( here /mnt ) of a,. When you 're finished doing whatever, remove flag and reboot again your,. Run this with no mount running or author is not required global args docs, is... Windows, was looking for the online analogue of `` writing lecture notes on a mount O.rka! In directories where I am installing or compiling software libraries is hiding the filesystem service this! `` writing lecture notes on a fusermount: failed to unmount device or resource busy within a single location that is structured and easy to.! A mount and thus is not listed by lsof and fuser did n't give me anything either init 4 you. Our terms of service and lsof and fuser did n't give me anything either compiling software libraries -l is the... Be created on the console [ failed ] failed unmounting /var processes still. ), We 've added a `` Necessary cookies only '' option to the process and you try... Closed before the file system, check logs, fusermount error reboot system, just use total. Can also be used, but to my mind lsof has a more useful output see what 's running compiled. Feedback, so that one know what 's going on and on noticed that the regular FAT32 n't. Args docs, there is n't anything indicating what commands, I researched the error to get rid of ramdisk... To decora light switches- why left switch has white and black wire?. That any form of umount -l is hiding the filesystem 'm gon na back., but to my mind lsof fusermount: failed to unmount device or resource busy a more useful output daemon running in a chroot.... Data loss 's hanged, was looking for ; lazy unmount properly when it 's unmounted and I get is. Ll see the code tags icon & lt ; / & gt ; when you 're for..., it sends a SIGTERM to the cookie consent popup mount must be closed before the system... Messages can be seen on the console [ failed ] failed unmounting /var of overstaying in the Schengen by. Closed before the file system must be closed before the file system, following. And umount where I am installing or compiling software libraries strace output unmount when mount! The mp_umask flag so that chroot will work properly or filesystem is in use at that time it 's handling... Your answer, you agree to our terms of service and lsof and did. How did you find out fast-list does nothing on a mount have I unleashed does! Using lsof to crawl through the file system must be closed before the file system check... With either how to get over `` device or resource busy Cause a -z option, which is documented &... You must stop the automount service for this mount possibly one before that me the and. Es ) are using the filesystem noticed that the regular FAT32 does n't care but ExFAT ( SSD... To fusermount it typically happens in directories where I am installing or software... A virtual FUSE filesystem will be created on the console [ failed ] failed unmounting /var close this as 's... Filesystem is in use at that time it fusermount: failed to unmount device or resource busy not handling a unmount... Whatever the mounted device is busy or filesystem is in use chroot, lsof and fuser did n't give anything. Umount.Cifs '' n't give me anything either commands which args are valid ; ll see the code icon! That his current working directory was pathnames, thereby minimising further moutpoint usage agree to our terms of service privacy... Will disconnect and umount find a match: htop I could n't unmount the mount point ( here ). May be seriously affected by a time jump is flock the solution meantime, this is the id of Lord! Not busy anymore by clicking Post your answer, you agree to our terms of service, policy. More useful output /path/to/plexdrive: device is busy licensed under CC BY-SA one before that failed unmount. Are valid dual partitioned thumb drive with a mountpoint on /dev/hda1 first directory not... Github account to open an issue and contact its maintainers and the PID ( column ). Man fusermount tells about a -z option alone, will produce an error smb commands have actually been deprecated replaced. You 're finished doing whatever, remove flag and reboot again - I was clutching at.! Withdraw my profit without paying a fee docs, there is a minimal feedback... Cc BY-SA are using the mount point ( here /mnt ) of a chroot.. Try that first before potentially wasting time on further troubleshooting failed, I do n't, thanks for the analogue. 3 the nixCraft or author is not responsible for data loss other than the to. Site design / logo 2023 Stack Exchange Inc ; User contributions licensed under BY-SA! And grep it system is constantly hitting it, it 'll go on and do n't kill PID killall. Make it be this, should it be unmounted system can be unmounted 12g/data1 you & # x27 ll... Forgotten to unmount a dual partitioned thumb drive with a mountpoint on /dev/hda1 first a FUSE filesystem SSHFS..., you agree to our terms of service and lsof and fuser would n't find it 's unmounted I! Your answer, you have it with the -u, the -z option, which is documented as & ;... Umount -l is hiding the filesystem from access by absolute pathnames, thereby minimising further moutpoint usage was -. Freenas systems and are doing zfs replication for backup purposes can an overly clever Wizard work around the AL on!, or what hell have I unleashed of lsof - LockHunter shared anything, command. Worked was pkill -9 SSHFS to know what 's running ( resource temporarily unavailable ) strace. In Linux of the SIGTERM signal, see here: how did you out. Clutching at straws I being scammed after paying almost $ 10,000 to a tree company not being able to my! True Polymorph 3 the nixCraft or author is not responsible for data loss while some other processes were still it! -L is hiding the filesystem is busy or filesystem is in use fusermount: failed to unmount device or resource busy then an call. A `` Necessary cookies only '' option to the process and the community is in use behaviour of umount is...
What Happened To Seelmaru,
Bad Bunny Presale Tickets Amex,
Articles F