[lxc-users] Disk space not released after deleting rootfs image

[Cal Leeming [Simplicity Media Ltd]]

Not sure if this helps but here is a simple test scenario that will
reproduce the problem;
http://pastebin.com/V0GJsNcx

Cal


On Fri, Dec 13, 2013 at 3:59 AM, Cal Leeming [Simplicity Media Ltd] <
cal.leeming at simplicitymedialtd.co.uk> wrote:

> Hello,
>
> I'm able to create containers which use a single file for their rootfs;
>
> $ dd if=/dev/zero of=/rootfs.img bs=1 count=1024
> $ mkfs.ext4 /rootfs.img
> -- other debootstrap commands here --
>
> The image runs successfully in both lxc-start, lxc-start-ephemeral and
> lxc-execute.
>
> However if I then attempt to delete the rootfs image after running
> lxc-start or lxc-execute, the disk space is not given back and I have to
> reboot in order to reclaim the disk space.
>
> Does anyone know why this might be happening? Perhaps LXC is keeping a
> scale descriptor open somewhere?
>
> Any help would be really appreciated, can provide more info/debugging if
> needed.
>
> Thanks
>
> Cal
>
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