[lxc-users] Mounting ISO files inside LXD container

[Joshua Schaeffer]

I'm getting an error when I try to mount an ISO file into a container and
I'm not sure how to fix the problem. I've searched a bit and found somewhat
similar issues[1][2] but they were mostly related to LXC containers not LXD.

When I try to mount an ISO I get an error:

root at broodwar:~# mount -t iso9660 -o loop /root/Win10_English_x32.iso
/mnt/windows/x32
mount: /mnt/windows/x32: mount failed: Unknown error -1

I though it was because I didn't have a loop device in my container, so I
added one, but I still get an error:

root at kerrigan:~# lxc config device add broodwar loop unix-block
path=/dev/loop0

root at broodwar:~# ls -l /dev/loop*
brw-rw---- 1 root root 7, 0 Sep 28 16:00 /dev/loop0

Running mount -v gives no extra messages. The ISO file itself is good, I
can mount it successfully on the host, just not the container. Does anyone
know how to fix this issue?

Thanks,
Joshua Schaeffer

[1]
https://lists.linuxcontainers.org/pipermail/lxc-users/2015-November/010560.html
[2]
http://askubuntu.com/questions/376345/allow-loop-mounting-files-inside-lxc-containers
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