on the Host machine I have a new disk I installed. I created a user called SSD_WRITE and gave it ownership
@SERVER:/mnt$ ll /mnt/120GB/
drwxr-xr-x 3 SSD_WRITE root 4096 Feb 5 07:31 ./
@SERVER:/mnt$ id -u SSD_WRITE
122
@SERVER:/mnt$ cat /etc/subuid
user:100000:65536
lxd:122:1
root:122:1
@SERVER:/mnt$ sudo lxc config show uvideo
....
raw.idmap: uid 113 122
devices:
SHARE:
path: /mnt/VIDEOS
source: /mnt/120GB/
type: disk
root:
path: /
pool: DATA
type: disk
and inside the container
@uvideo:/mnt# ll
total 22
drwxr-xr-x 3 root root 4 Feb 8 09:47 ./
drwxr-xr-x 22 root root 22 Dec 23 08:16 …/
-rw-r–r-- 1 root root 3896 Feb 1 06:43 HISTORY
drwxr-xr-x 3 nobody nogroup 4096 Feb 5 07:31 VIDEOS/
@uvideo:/mnt# id -u unifi-video
113