On 03/07/2018 04:48 AM, Leon Fauster wrote:
> OS: EL6 - sometimes I use
>
> kpartx -a /mnt/.../lvdisk.img
>
> to map the partitions and mount them via
>
> /dev/mapper/loop0pX
>
> After using the disk (unmounting it) I noticed that
> detaching such mapping via kpartx -d does not result
> in freeing up the loop devices. Results: System reboots
> shows that the filesystem where lvdisk.img is located
> can't be unmounted.
>
> lsof, fuser, ps does not show any usage. Even removing the
> device node via
>
> dmsetup remove /dev/mapper/loop0pX
>
> does not help. Trying to unmount the underlying filesystem
> still shows /mnt: device is busy.
>
> Any other suggestions would be greatly appreciated!
Do you have an open shell/terminal session hanging out in the /mnt
directory you used?
--
Jim Perrin
The CentOS Project | http://www.centos.org
twitter: @BitIntegrity | GPG Key: FA09AD77
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