[ Re-adding list. ] On Mon, Aug 8, 2016 at 6:31 PM, Jaze Lee <jazeltq@xxxxxxxxx> wrote: > 2016-08-09 7:28 GMT+08:00 Gregory Farnum <gfarnum@xxxxxxxxxx>: >> On Mon, Aug 8, 2016 at 6:35 AM, Jaze Lee <jazeltq@xxxxxxxxx> wrote: >>> Hi all， >>> >>> I found that clog default send message to mon. But i do not know why it >>> sends to mon? Can someone explian more about why we do that ? >> >> The purpose of the "central log" is to send log messages to a central >> location for sharing. The mon is what we've got right now; it collects >> the messages, writes them to a local file, and spits them out to >> anybody running "ceph -w" (technically, anybody with a log >> subscription). >> -Greg > > Thanks Greg. One more question. > > The central log is used to monitor cluster status, so if i make > clog_to_monitors = false, then > i could not get the change of cluster status. Does it？ You'll still get information about OSDs going up and down, and other things which the monitors check for directly. But you won't get so many per-daemon messages about weird-looking things. I wouldn't turn off clog_to_monitors unless you have a very specific reason for it. -Greg -- 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
