Umount target is busy mnt. 2. Aug 23, 2019 · sudo mkdir -p /media/usb. localdomain systemd: Failed unmounting /opt. umountコマンドを実行すると、target is busyやdevice is busyと出てマウントを解除できない場合があります。. On nfsv4 client was connected in the past. There may be instances where the ‘umount’ command fails because the target is busy. I'm going to put this into a UserScripts script, in case I need it again, then I can fire it off. A system reboot would be expected in near future if you’re going to use this. AWSのEC2のAmazonLinuxのサーバで、ディスクのumountができなかったときの解決方法をメモします。. the device is found by lsof (8) or fuser (1)) [s1: ~]#. Aug 01 16:55:19 mymachine umount[353194]: (In some cases useful info about processes that use Aug 01 16:55:19 mymachine umount[353194]: the device is found by lsof(8) or fuser(1)) Aug 01 16:55:19 mymachine systemd[1]: vols-data5. ”。问题原因：该报错通常是由于待卸载磁盘正在使用，导致无法直接卸载。需要将当前使用数据盘的进程杀掉，才能卸载。 41. 116 added the umount2 () system call, which, like umount (), unmounts a target, but allows additional flags controlling the behavior of the operation: MNT_FORCE (since Linux 2. For example : cat /proc/11086/cmdline. Mar 21, 2023 · Unmounting ( umount) fails with a message: device is busy. directories under /home that are the CWD of some process (this could be the shell from which you try to unmount /home) a filesystem mounted on a mount point under /home. Hello, I have a problem with a file system that I cannot unmount: [s1: ~]# umount /root/backup. this will output something like below. ) I tried some different options with the command lsof and fuser , but it didn't work so far. )" Dec 8, 2020 · Sometimes when we want to "umount" a filesystem, we get a "device busy" message. Nov 1, 2019 · 11. umount: /tmp: device is busy. After the terminal is closed, the device is now able to be unmounted via either the umount command or Feb 13, 2008 · Here we are in 2008, I’m using Ubuntu Gutsy, and that message hasn’t changed in all the years I’ve used Linux. Also read man lsof. When such a filesystem or a directory which is being accessed by some process is unmounted, the system may issue the target as busy (“device is busy”). Note that programs may not expect a force or lazy unmounting. . /dev/sdb1: 63 files, 38258/1934188 clusters May 23, 2022 · May 23 16:08:03 Tower emhttpd: shcmd (6180): umount /mnt/user May 23 16:08:03 Tower root: umount: /mnt/user: target is busy. above mentioned solution does not always work: Jun 20 01:15:09 Dose4000 emhttpd: Unmounting disks Jun 20 01:15:09 Dose4000 root: umount: /mnt/disk1: target is busy. Detach the filesystem from the filesystem hierarchy now, and cleanup all references to the filesystem as soon as it is not busy anymore. Apr 21, 2020 · 8. target is busy. This option allows a "busy" filesystem to be unmounted. Lazy unmount. umount: / is busy or. Jun 17, 2018 · For example, if you are attempting to unmount the file system with the mount point /lgfs, and your current working directory is /lgfs/myfiles, you will not be able to unmount the file system. # umount -lf /mnt/nfs. It seems that it's only Docker-related that is causing this issue, for me at least. It only "moves" the mount to the root of the system, which can be seen as follows: Oct 28, 2019 · device is busy 解决方法 步骤一：取消挂载时可能出现的报错. sudo ddrescue -r 3 /dev/sdb image log. The lsof command displays the files that are open on a certain filesystem: The mount point of the filesystem could be for example : /usr . Now, run the following command to kill the process with PID. This can be done via two method: 1) Interactive by booting the system from SLES DVD and select " Rescue Mode ". Or use unmount -l anyway and wait for the unmount to action – Jan 15, 2021 · Linux. This makes sure to unmount dev/pts, for example, before trying to 问题描述：Linux下挂载后的分区或者磁盘某些时候需要umount的时候出现类似“umount: /mnt: target is busy. I checked each tty and none were using the mount. The second command unmounts the whole tree recursively. If you want to wait until the filesystem is unused because it's on a removable device (for example), you probably want a busy loop to wait for all open file descriptors on the filesystem to go away. The -f choice is for unreachable NFS system (NFS server going down). And just for sanity sake, make sure that there are no file systems mounted inside the parent (ie, trying to umount /many while /mnt/boot is mounted to another partition). KairiTech Member From: Toronto, Canada target is busy. kill -9 4335. If you are attempting to unmount a NFS command like. It is usually better to do partition changes from a Live media/pendrive; Hope it helps. In my case the clue was that if I run strace umount -l /mnt/foo/bar, I get no output, i. umount -l /mnt/target. Dec 19, 2023 · umount -n /mnt/my_usb-r: Try to remount read-only if unmounting fails: umount -r /mnt/my_usb-l: Lazy unmount, detach the filesystem now and cleanup things later: umount -l /mnt/my_usb-f: Force unmount in case of an unreachable NFS system: umount -f /mnt/my_nfs-v: Verbose mode: umount -v /mnt/my_usb-h: Display help message and exit: umount -h-V I had a similar problem recently with the /mnt/gentoo/sys and /mnt/gentoo/dev directories. Most likely open file handles will keep working, but new ones will not work until you mount it all back, and many programs might fail with this happening. May 19, 2016 · I am trying to use Ansible to remove /var from /etc/fstab without attempting to unmount the partition, I will use a reboot to make the change take affect : - name: Remove Default /var Mount mount: systemd fails to unmount /opt when shutting down the system. to begin the back-up process. ) Sep 15, 2021 · The Key next to the partition in gparted indicates that the drive is mounted (in use). ”。. as this is the first site google spits out with the search "unraid array won't stop" i will try to append my problem. Note: To find the exact application name of these pids you may use this command. umount: /root/backup: device is busy. /example. the device is found by lsof(8) or fuser(1)) Since earlier questions were just solved by running the above command,I am posting a new question about this find out any remedies if possible. umount -f /mnt/target-l Lazy unmount. This allows the unmount operation to bypass the “target is busy” check. 116) Force unmount even if busy. Red Hat Enterprise Linux 6; Appropriate privilege (Linux: the CAP_SYS_ADMIN capability) is required to unmount filesystems. Use the `ps` command to list all of the processes that are running on the system. Feb 23, 2019 · 3. Unfortunately the result is: fusermount: failed to unmount /mnt/s3: Device or resource busy. I often experience a problem to umount a directory: umount /mnt/dir umount: /mnt/dir: device is busy There are many reasons why the device is busy. 26. or. The command displays all the processes using the filesystem. answered Apr 21, 2020 at 8:01. Unpredictable application behavior can result. One Sep 4, 2023 · If the answer is "nothing" then you could use umount -l /dir1 quite safely. Well I have the "Finished" command on screen so I am trying to unmount my good drive, before a reboot by Jun 4, 2011 · » [Solved] archiso intermittent umount / target is busy error; Pages: 1 #1 2013-06-30 20:09:37. The lsof command, without options, doesn't print the device on which a file is located, therefore your grepping for nvme returns nothing. Detach the filesystem from the file hierarchy now, and clean up all references to this filesystem as soon as it is not busy anymore. Nov 21, 2023 · This guide offers insights and solutions to tackle this issue, explaining how to identify processes using the mount point and safely unmount filesystems, ensuring smooth system operations without data loss or corruption. 4. 17. However, be cautious as this may lead to data loss or corruption if the target is indeed in use. Cause 2: An abrupt disconnect from the file system's mount target occurred. In this case that means all the sub-mounts of /dev, which would have Dec 26, 2023 · Here are some tips for troubleshooting the umount: target is busy error: Use the `lsof` command to list all of the open files on the filesystem. Edited September 16, 2022 by KptnKMan. 1. To forcibly unmount a file system, you can use the -f option. localdomain systemd: Unmounting /opt Oct 16 15:48:00 localhost. I have an NFS-mounted directory on a Linux machine that has hung. ext4: Device or resource busy while trying to open /dev/sda5 Filesystem mounted or opened exclusively by another program? I have confirmed using /etc/mtab and lsof that nothing is using the partition and it's not mounted. 「umount target is busy」の解決方法. 需要将当前使用数据盘的进程杀掉，才能卸载 Linux下挂载后的分区或者磁盘某些时候需要umount的时候出现类似“umount: /mnt: target is busy. 7. BUT: This does not unmount anything. 当取消某一个目录的挂载时，出现以下报错，则说明此目录可能正在被使用： （1）当使用 umount 命令时出现类似 “umount: /xxx: target is busy. According to the man page it does the following. next, create a link /mnt/var/run -> /mnt/run. This has nothing to do with being mounted. So, you need to "unmount" them to be resized. Mar 24, 2013 · umount: /mnt: target is busy. Without the first command, you risk unmounting all the sub-mounts on the source, due to mount propagation. I have an s3fs-fuse "device" mounted at /mnt/s3. (Requires kernel 2. To find the device and filesystem type, you can use any of the following commands: fdisk -l ls -l /dev/disk/by-id/usb* dmesg lsblk. Mar 24, 2023 · How to solve Umount target is busy in Linux ⚠️ If an ongoing data transfer occurs in the background, you may lose your data by forcefully unmounting your drive. (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1)) I am fairly new to Arch and Linux in general. then remove /mnt/var/run. the device is found by lsof(8) or fuser(1)) Any ideas as to what might be causing Sep 21, 2022 · Linux下挂载后的分区或者磁盘，有时在我们需要umount的时候出现类似“ umount: /mnt: target is busy . Detach the filesystem from the filesystem hierar‐ chy now, and cleanup all references to the filesystem as soon as it is not busy anymore. So, I remount the root fs with. It simply returns the same nasty device is busy message. /home is not mounted multiple times, but is spread over multiple physical volumes. lsof /path, lsof +f -- /path, and fuser /path all return nothing. umount: /media/disk: device is busy. If no more processes tide to the mount point, you initiate umount command. The command should be: fusermount -u /mnt/s3. 1 GB Occasionally there could be interruption to the connection so /mnt/remote will appear as empty. For the future, I think I better cancel May 25, 2019 · Hi! Sometimes I get "target is busy" during the last unmount (when everything else was successfully). Try lvreduce or lvresize instead, but be very careful not to reduce too much. -l, --lazy. 11, 12 Mar 2005, FAT32, LFN There are differences between boot sector and its backup. You can unmount /home if it's an independent file system. 5. Like, mount point was /mnt/foo, and I wrote umount -l /mnt/foo/bar. pingmanping. # umount /opt umount: /opt: target is busy. by name | kill PID | killall target_process) umount /dev/sda1 (or whatever the mounted device is) Sep 15, 2018 · 2. # pwd /lgfs/myfiles # umount /lgfs Cannot unmount /dev/fslv00: The requested resource is busy. umount -R m. Oct 16 15:48:00 localhost. What is unmount target busy. I am in the process of creating a RAW image onto a 'good' drive (sdc) from a 'bad' drive (sdc). Today I saw target is busy at least in one terminal window where I run script with chroot. mount --make-rslave dev/. Force an unmount. Oct 5, 2021 · Do you have an idea why the last line fails (at least on my Debian bullseye system) with "target is busy. I had to unmount them with the -l or --lazy option. これはなんらかのプロセスによってデバイスが使用されている場合に発生するエラーです。. Maybe I had missed the r off --make-rprivate. May 23 16:08:03 Tower emhttpd: shcmd (6180): exit status: 32 May 23 16:08:03 Tower emhttpd: shcmd (6181): rmdir /mnt/user May 23 16:08:03 Tower root: rmdir: failed to remove '/mnt/user': Device or resource busy May 23 16: Jan 17, 2015 · 1. Replace /path/to/target with the actual path of the target you want to unmount. Here’s the command: umount -l /path/to/target. I am using the Ubuntu Rescue Remix and Ddrescue. mount mount process exited, code=exited status=32 Oct 16 15:48:00 localhost. 116) Ask the filesystem to abort pending requests before Oct 9, 2017 · A stupid easy way to have this happen is to have a local terminal (or ssh) logged in with the current working directory set to /mnt/disk1 or /mnt/cache But you can try and figure out what's holding it up via Dec 3, 2016 · Knutowskie. Feb 1, 2024 · Lazy unmount is a useful option when dealing with busy target directories. "? When I add -l to the umount for lazy unmounting, it gets even worse: My system ends up with /dev/pts not mounted anymore. ==> ERROR: failed to setup chroot /mnt. My question: The unmount option allows you to disengage a device that sends busy signal at once, even if it is busy. For what I can remember, the reason why you are stuck in that loop is that unraid could not unmount the shares because there is a service/s still running on the array. Sometimes there are processes running which have open locks on it, sometimes there are other directories mounted on top of /mnt/dir. You need to run mount --make-rprivate /mnt before you can safely unmount it. mount -r /dev/mo. mount mount process exited, code Column 1 Column 2 Column 3; umount: target is busy: The target device or filesystem is currently in use by another process. umount -R dev/. Clearing the MOTD Re-enabling daemon autostart after installation Removing mtab Unmounting the bootstrap volume Executing: umount /targ May 3, 2012 · In this case you have to umount using -l option. localdomain umount: umount: /opt: target is busy. 4. Try umount -l /mnt/c . The message means that the filesystem on the device is in use. It turned out, by mistake I wrote name of a directory that is inside the problematic mount point. target is busyやdevice is busyをumountする方法. But take care! mount --make-rslave m. 问题原因 ：. 8. Resources such as lsof(8) may reveal the offending process, but if not alternatives to a system reboot may be preferred. I've tried to force an unmount, but it doesn't seem to work: $ umount -f /mnt/data. , the following is output: umount: /mnt/dev: target is busy. ”等字样，或者“ umount: /xxx: device is busy . fsck from util-linux-ng 2. Discover effective methods to identify and terminate processes holding the mount point, force unmount, and troubleshoot related issues in shared mount points, NFS, remote filesystems, and virtual environments. May 26, 2022 · Once these two programs are stopped the device is no longer busy. I have tried to find who is using it, but neither lsof nor Jun 17, 2016 · umount -R /mnt. Apr 28, 2020 · Its only started happening recently, and is the /mnt/cache unable to unmount. In such cases, the fuser command can be used to identify the processes using the mounted file system. Be cautious when forcibly unmounting a file system if its contents are actively being used. Jun 8, 2023 · $ umount /mnt/usb The tricky skills. If I try to chroot to the new system, I get the following error: mount: /mnt/dev: udev already mounted on /mnt/dev. After the device is booted, the filesystem is mounted read-only - so that's fine. Differences: (offset:original/backup) 65:01/00 Not automatically fixing this. But often the force does not help. Or use fuser, part of the psmisc package. ”。 问题原因 ： 该报错通常是由于待卸载磁盘正在使用，导致无法直接卸载。需要将当前使用数据盘的进程杀掉，才能卸载。 解决 umount: /: target is busy (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1). As for the bricking of the other system, you are messing with your boot loader and EFI settings in there. I removed all references from /etc/exports. The force umount Linux option uses: -f, –force. sudo umount /tmp. Apr 21, 2023 · Unmout target by killing the process itself (recommended) Another way to fix the issue is by killing the process. # cd / # umount /lgfs # Mount point directories The unmount command fails if the file system is busy. # umount -l /mnt/nfs. Share. # umount /media/disk/. mountとumountのコマンド こんな感じで、調査用の読み取り専用でマウントしました。. 116 added the umount2() system call, which, like umount(), unmounts a target, but allows additional flags controlling the behavior of the operation: MNT_FORCE (since Linux 2. exportfs and /proc/fs/nfsd/exports shows that mount directory is not exported anymore. lsof can be used to find out which process is keeping the device busy. The filesystem is huge, so lsof +D /path is not a realistic option. localdomain systemd: opt. For example: Cause 1: You're attempting to run the umount command from within the mountpoint directory. (In some cases useful info about processes that use. I Jun 25, 2021 · Detach the filesystem from the file hierarchy now, and clean. umount -l /opt will probably let you unmount /opt without also /opt/mongo, but that will mess up the /opt/mongo mount rather than leave it alone. umount /mnt/smb_share. # umount /mnt/nfs. or force mode: umount /mnt/smb_share -f. @Hubro just had the same problem. 5. This can cause data loss. 17:23. Feb 15, 2021 · lvextend can only increase the size. sudo kill -9 3106 11086. ”等字样，或者“umount: /xxx: device is busy. The “umount target is busy” is fixed by forcefully unmounting, eliminating each process individually, or doing a lazy unmount to auto-remove processes. If I type " mount ", it appears that the directory is no longer mounted, but it hangs if I do " ls /mnt/data ", and if I Nov 6, 2010 · So to unmount just kill that pids and re-try the unmount. The remount option is used when the file system isn't currently in use to modify the mount option from ro to rw. Then the only option is to use the lazy mode: umount /mnt/smb_share -l. 11 or later. 该报错通常是由于待卸载磁盘正在使用，导致无法直接卸载。. cat /proc/<pid>/cmdline. I checked mount point with lsof (empty list) and fuser -mv: [root@host ~]# fuser -mv /storage/nfs/test. I want to unmount it so that I can remount it with the mp_umask flag so that chroot will work properly. 사용하고 있는 Apr 17, 2021 · When I try to unmount it with sudo umount /media/Nas6To i get a message telling me that the device is busy, and I cannot unmount it: thomas@NZXT:~$ sudo umount /media/Nas6To umount: /media/Nas6To: the target is active. (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1)) dosfsck 2. 김보야 2018. Apr 26, 2018 · 리눅스 언마운트 (umount) target is busy 발생할 경우. Assuming that the USB drive uses the /dev/sdd1 device you can mount it to /media/usb directory by typing: sudo mount /dev/sdd1 /media/usb. com: . [20340]: do_umount_autofs_direct: ask umount returned busy for /mnt/point Environment. This is due to "mount propagation". If I try to re-run the above command, I'd get '/mnt/remote:' Transport endpoint is not connected' However I'm unable to (force) unmount the directory either: sudo umount (-f) /mnt/remote umount: /mnt/remote: target is busy Jan 22, 2021 · How to unmount NFS mount that fails to unmount with ‘device is busy’. To visualize why this happens, let‘s consider what goes on when you mount a USB drive: Mounting grafts the filesystem into your directory tree, assigning it a mount point. -l Lazy unmount. I had this problem before. (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1)) I guess it's because dev , proc and sys are bound to the mounted file system. 누가 사용하고있는지 확인. However, sometimes I need write access to the file system. I get. $ umount2: Device or resource busy. It would thus work like this: #!/bin/bash. Aug 2, 2018 · Aug 01 16:55:19 mymachine umount[353194]: umount: /vols/data5: target is busy. ”。 问题原因： 该报错通常是由于待卸载磁盘正在使用，导致无法直接卸载。需要将当前使用数据盘的进程杀掉，才能 # mount -t ntfs /dev/sda1 /mnt/dominik/ fuse: mount failed: Device or resource busy This is my fdisk -l if that helps. I have found on different post using fuser and lsof to identify the process keeping it busy. 1804. I used the command. Sophos antivirus is The manpage has this to say about it: umount - unmount file systems. fuser -cu 마운트경로. sudo umount /media/KINGSTON. then mounting the root disk to /mnt. The first command is required for safety. ago. I have to mount it again manually or reboot then. Jun 30, 2018 · 3. Jul 13, 2020 · Linux下挂载后的分区或者磁盘某些时候需要umount的时候出现类似“umount: /mnt: target is busy. Due to an sd card corruption I decided to mount the root fs as read only. # umount -f /mnt/nfs. Mar 26, 2024 · Precautions to Avoid “umount target is busy. 1. First thing you’ll do will probably be to close down all your terminals and xterms but here’s a better way. Therefore, I added the 'ro' argument in /etc/fstab. See the question Mounting new filesystem affects non-recursive bind mounts? I thought I had tried this, but something went wrong. fuser -v /path gives: USER PID ACCESS COMMAND. That's not helpful. umount: /mnt: target is busy umount: /: target is busy (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1). A mounted filesystem can be accessed by any process running on the Linux operating system. mount: / is busy The commands used were: $ umount /dev/mapper/mypc-root $ mount -no remount,ro -t ext2 /dev/mapper/mypc-root / . Jan 22, 2021 · 问题描述： Linux下挂载后的分区或者磁盘某些时候需要umount的时候出现类似“umount: /mnt: target is busy. ” 等字样 （2）当使用 umount 命令时出现类似 “umount: /xxx: device is hit u, this will send Umount all request, this will remount all mounted filesystems read-only, then now, you could release AltGr; Or by command line: echo s >/proc/sysrq-trigger echo u >/proc/sysrq-trigger I could check by testing to create a file: touch /dummyfile touch: cannot touch '/dummyfile': Read-only file system Apr 28, 2019 · Why am I unable to umount? user@azimuth:~$ sudo umount /home/user/pi [sudo] password for user: umount: /home/user/pi: target is busy (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1). umount /media/hdd1 # Device umounted without any problems continuing the script. Nov 12, 2020 · CentOS 7. > fusermount -u example. sudo kill -9 [PID] Dec 8, 2020 · Sometimes when we want to "umount" a filesystem, we get a "device busy" message. Once you make sure its safe to kill the process, run the following kill command: kill -9 4255. e. as read/write. $ umount: /mnt/data: device is busy. # mount -t nfs -o remount /mnt/nfs. lsof | grep '<mountpoint of /dev/sda1>' (or whatever the mounted device is) pkill target_process (kills busy proc. 需要将当前使用数据盘的进程杀掉，才能 Latest response April 30 2015 at 7:56 PM. The Target is busy message means that there are either: files under /home that are still open. Now, we know that there is a zsh terminal which may cd ing at the being mounted directory. )-f Force unmount (in Oct 25, 2023 · Most storage administration activities require that a file system be unmounted; all open files on the file system must be closed first or umount(8) will fail. Here's an example of how you can use it: $ fuser -muv /mnt/mydisk What needs to be noted Mar 17, 2024 · “Unmount target is busy” means that the operating system is unable to unmount the specified target, such as a disk partition or a mounted directory, because it is currently being accessed or Mar 3, 2020 · To fix such problem we need to make sure /var/run is pointing to /run . ” When it comes to avoiding the common issue of “umount target is busy,” there are several you can take to ensure a smooth and hassle-free unmounting process. umount wasn't even ran. Appropriate privilege (Linux: the CAP_SYS_ADMIN capability) is required to unmount file systems. After umount failed the script deleted all folders of chrooted system. Read man fuser. Aug 24, 2018 · In order to unmount a filesystem, you must unmount its submounts first (and the same for their submounts, recursively). ) How to unmount the sshfs share? UPDATES: Oct 14, 2018 · So basically, what I would like to do, is somehow make the umount command wait, until the device is not busy and then umount the HDD and continue executing the script. 4) sshfs -o allow_root joeuser@example. partitioning. Whenever I stop the array, I always stop my docker, vm manager, ftp, etc, then I can successfully stop the array. sudo lsof /Path/to/target. up all references to this filesystem as soon as it is not busy anymore. I cannot unount filesystem, that was exported via nfs. Oct 20, 2023 · For cases when the script run in a folder where there were remnants of previous run, the script is coded to umount and delete previous work. • 7 yr. It will prevent the second command from unmounting subdirectories in the original /dev directory. Jan 14, 2018 · umount: /mnt/disk0: target is busy. umount /media/hdd2 # Device is busy! May 3, 2017 · Background: I am exploring how to copy an ordinary LVM-on-LUKS Debian 9 ("Stretch") installation from a thumb drive (the "source drive") onto a ZFS-formatted drive (the "target drive") in order to umount --force or umount -f (equivalent) If that fails, then use: umount --lazy or umount --l (equivalent) The "lazy" option will "detach the filesystem from the filesystem hierarchy now, and cleanup all references to the filesystem as soon as it is not busy anymore. Sep 16, 2023 · Gain insights into the “umount target is busy” error, its , and the it has on system operations. but unmounting it fails. Nov 12, 2017 · The remount functionality follows the standard way how the mount command works with options from fstab. Linux 2. Here's how to do it: Use the `umount` command with the `-l` (lazy) option: umount -l /path/to/target umount: /mnt/rescue: target is busy. It allows you to unmount a directory even if it is currently in use. Solution 1: Move to a directory outside the file system mount point, and retry the umount command. You probably can't properly do it. Dec 2, 2019 · Assume that the path of the directory being mounted is /media/transang/SangWDPP. umount: /home/joeuser/example: device is busy. # fdisk -l Disk /dev/sda: 640. Copy. Use sudo lsof +D /dev/sdX (where " sdX " is your disk. Identify which processes tied to the mount need to be killed by using lsof and fuser: Jan 4, 2024 · In this guide, we learn how to fix umount target is busy in Linux. You cannot unmount root partition if you are booting from it. First, run the following command to find the PID of the process that is creating the problems. Unfortunately those commands If possible, let's locate/identify the busy the process, kill the process and then unmount the samba share to minimize damage. When running umount /path I get: umount: /path: device is busy. option for network filesystem or local filesystem with submounts. It means the mount command doesn't read fstab (or mtab) only when a device and dir are fully specified. You might have a process cd 'd to there, or reading/writing there. I mounted a remote file system using sshfs (version 2. Mar 2, 2016 · On using the command. To unmount the device, you must first stop all processes that are using it. 누군가 마운트된 경로를 사용 중일 때 target is busy라고 나오게 되는데, 해당 프로세스를 강제로 kill한 뒤 언마운트하면 됩니다. 2 fsck. This will help you to identify any processes that are still accessing the filesystem. Oct 30, 2023 · The infamous "target is busy" occurs whenever the Linux kernel detects active processes or open file handles still accessing a mounted filesystem or block device. damuabdpbmtapsebmsnt
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