Hi,
> Now to our problem. We want to be sure that a write is replicated before we > get a ack. That should be the case AFAIU. There was however a bug that was recently fixed that make RBD ack too early. > one osd can lead to data loss with min_size set to 1. It definitely shouldn't. Unless of course the only remaining OSD fails as well. > The problem now is that if one osd goes down some pg's will end up > incomplete, and no io operations will be allowed to the rbd. Well yeah, that's exactly the semantic of the min_size option ... Cheers, Sylvain -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html