I added a blueprint for extending the crush rule language. If there are interesting or strange placement policies you'd like to do and aren't able to currently express using CRUSH, please help us out by enumerating them on that blueprint. Thanks! sage -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html