On Tue, 20 Nov 2012, hemant surale wrote: > Hi Community, > I have question about port number used by ceph-osd daemon . I > observed traffic (inter -osd communication while data ingest happened) > on port 6802 and then after some time when I ingested second file > after some delay port no 6804 was used . Is there any specific reason > to change port no here? The ports are dynamic. Daemons bind to a random (6800-6900) port on startup and communicate on that. They discover each other via the addresses published in the osdmap when the daemon starts. > and one more thing how can it be possible to read from one osd and > then simultaneous write to direct on other osd with less/no traffic? I'm not sure I understand the question... 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