On Tue, Nov 1, 2011 at 18:09, sheng qiu <herbert1984106@xxxxxxxxx> wrote: > i see there are four messengers client, cluster, messenger_hbin, > messenger_hbout in the ceph_osd.cc. will one of the messengers > responsible to handle the receiving request from client? i do not know > how the OSD handle the received messages from client or mds. hb means heartbeat. My earlier message pointed you to exactly where an OSD handles a message from a client (MDS is also just a client of OSD). -- 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