mount: /dev/xvdg already mounted or /data busy Then, I tried un-mounting it as follows : umount /dev/xvdg but it tells me that the volume is not mounted.
And actually, I did try to unmount <chroot>/proc.For instance: _@_:~$ sudo umount -n <chroot>/proc/ [sudo] password for _: umount: <chroot>/proc: device is busy. I tried some different options with the command lsof and fuser , but it didn't work so far. Did I make a mistake? If mounted, the device will be actively mounted and appropriately configured in fstab. Code: device is busy. Follow the below command to unmount the filesystem forcefully if device is busy. # fuser -km (filename)-k kill the process accessing the mentioned file-m specifies the file on a mounted file system or a block device i.e.
I have mounted /dev and immediately tried to unmount: $ sudo mount -o rbind /dev m $ sudo umount m umount: /tmp/m: target is busy. COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME . # umount /mydata -l 14. According to the answers everywhere on the web, we need to umount A_dir/mount_b/mount_c first then umount A_dir/mount_b. (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1)) And then, the only process that lsof comes up with is lsof itself . Set the shell to /bin/false and assign the user to the group that you created above: # mkdir -p /home/chroot . # list all sessions: schroot --list --all-sessions # if the above command does not work, just type `mount`. Select a category to begin. I think the following script will do the job. And /home/ftp_user/www_dev will be an empty directory. sudo mount <path>/image.ext4 mnt sudo mount --bind /dev mnt/dev sudo mount --bind /sys mnt/sys sudo mount --bind /proc mnt/proc sudo chroot mnt Then I did some python checking, by running the interpreter python3 and quit: exit sudo umount mnt/dev sudo umount mnt/proc sudo umount mnt/sys And this last command fails, and so I cant umount mnt Your best bet is to get the thing to mount, copy the valid data somewhere else (for safety), then remove the RAID config partition with fdisk. Once you are done with it, use umount before you physically remove the floppy disk from the system.
(In some cases useful info about processes that use the device is found by lsof(8) or fuser(1)) [s1: ~]# I have tried to find who is using it, but neither lsof nor fuser does not show any process using the file system: [s1: ~]# fuser /root/backup In this tutorial, we'll learn what a bind mount is, and we'll also see some examples of when we can use it. As long as you have a root shell still open, you should be able to use the tools in /usr/bin to download the package that would have had mount in your distribution (eg apt-get install -d mount on Debian), then extract the file from the downloaded package manually (dpkg-deb -x mount.whatever.deb /some/temp . The programs mount and umount maintain a list of currently mounted filesystems in the file /etc/mtab. According to the man page it does the following-l, --lazy Lazy unmount. Option 1: Force unmount. Fortunately /bin is actually rather small, it's only very basic utilities and shells. The mount is removed from the filesystem namespace (so you no longer see it under / mnt / nfs / linoxide), but it remains mounted so programs that access it can still do it. # fdisk -l Disk /dev/sda: 640.1 GB, 640135028736 bytes 255 heads, 63 sectors/track, 77825 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x70000000 Device Boot Start End Blocks . All i want is to mount my gdrive as a accessible folder to my rooted android tv box, it was working before with magisk rclone but now all i get inside is an empty folder. # umount /mnt. SRC IS REQUIRED FOR UNMOUNT AND ABSENT. The umount command is used to manually unmount filesystems on Linux and other Unix-like operating systems.. A filesystem in this context is a hierarchy of directories that is located on a single partition (logically independent section of a hard disk drive) or other device, such as a CDROM, DVD, floppy disk or USB key drive, and has a single filesystem type (i.e., method for organizing data). 为什么umount的时候老显示 device busy? umount /home/ftp_user/www_dev. Comment on this article > Affected Products Browse the Knowledge Base for more articles related to these product categories. Only the super-user may mount and unmount filesystems.
If in any case it does not work go with lazy unmount. To add to BruceCran's comment above, the cause for my manifestation of this problem just now was a stale loopback mount. Now I want to unmount it but I am not allowed. Steps To Reproduce [hidden]$ mkdir -p A B/a C/b [hidden]$ sudo mount --bind A B/a [hidden]$ sudo mount --rbind B C/b In both cases the mount is busy than you can do lazy unmount filesystem. Change the entry for the root filesystem in /etc/fstab, for example: /dev/sda1 / ext2 relatime,rw,errors=remount-ro 0 1 becomes: /dev/sda1 / ext2 noatime,ro 0 1 Option 1: Force unmount. This command is useful if a particular file is shown as busy rather than a directory. Bind mount points to a new directory The . Yes, <chroot>/proc and, by extension, <chroot> still exist. # mount /dev/fd0 /mnt # cd /mnt After the successful mount, you would be able to access the contents of the floppy disk. In my case I can now use rclone in the following way (you still need to have root access), on a terminal (termux) for android: Code: su rclone mount Box:/ /storage/cloud --vfs-cache-mode minimal --allow-other --gid 1015. MNT_DETACH (since Linux 2.4.11) Perform a lazy unmount: make the mount unavailable for new accesses, immediately disconnect the filesystem and all filesystems mounted below it from each other and from the mount table, and actually perform the unmount when the mount ceases to be busy. Btrfs, being the enfant terrible of filesytems that it is, needs special treatment, as always.. - V indicates verbose mode. Stack Exchange network consists of 178 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack Exchange no propogation in my case whether i bind mount at default or write, like i said, it would depend on the device itself, it might not be universal. umount Error: umount.nfs4: device is busy [How to Solve] 1. Unmounted File System Forcefully. 14. Caveat: Btrfs. Device (or NFS volume, or something else) to be mounted on path. Unmounted File System Forcefully. If the remounting can succeed, it avoids the problems of disrupting or killing processes. # umount /mydata -l 14. Stack Exchange network consists of 178 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack Exchange 2a.
It is broken in a million ways, and here, in this bugreport we see the reason - idiocy compounding upon idiocy. MNT_DETACH (since Linux 2.4.11) Perform a lazy unmount: make the mount point unavailable for new accesses, and actually perform the unmount when the mount point ceases to be busy. This is what I get: As for when you unmount, you might want to look into throwing the -l flag when you run it; umount -l The "-o remount" option will make Linux try to remount the filesystem. I hope this article will help to mount and unmount the . 0010414: Can't cleanly unmount a slave --bind mount: Description: If a mount A with submounts is binded to another place B, then set B as slave, then even after unmounting B and all submounts, rmdir B will fail. (Not "unmount". For example, a floppy disk will be mounted as shown below. I also use fuser -vm /tmp/mount, could not see any process hold this folder. # mount -o remount /your/mount/point. Path to the mount point (e.g. (Only for NFS mounts.) Osama considered as one of the leaders in Cloud technology, DevOps and database in the Middle-East. MNT_DETACH (since Linux 2.4.11) 16.
Hello, I have a problem with a file system that I cannot unmount: [s1: ~]# umount /root/backup umount: /root/backup: device is busy. Before Ansible 2.3 this option was only usable as dest, destfile and name. In general, the way to unmount something that was created with the mount command is to use umount. 3. (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1)) . But also we are having the facility to umount the mount storages from the file system.
- M indicates the file system or block device (in mount state) where the specified file is located. We use the commands mount and umount in the process of mounting devices in Linux.