Always returns 404:

server {

	listen			80;
	server_name		10.0.0.1;

	location /medias {
		autoindex on;
		root /mnt/shared/data;
	}

}

Works fine:

server {

	listen			80;
	server_name		10.0.0.1;

	location / {
		autoindex on;
		root /mnt/shared;
	}

}