pct fstrim - can't umount lvm disk

achirkov

New Member
Nov 26, 2020
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Hi!
Today i run command pct fstrim 100 on disable lxc container and my ssh connection was disconnected.
After reconnect i try fstrim and get error:
Code:
mount: /var/lib/lxc/100/rootfs: /dev/mapper/vg0-vm--100--disk--0 already mounted on /var/lib/lxc/100/rootfs.
Ok, trying umount:
Code:
# umount -f /var/lib/lxc/100/rootfs/
umount: /var/lib/lxc/100/rootfs: target is busy.
How i can umount disk without restart proxmox host?
 

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