Have you tried restarting the mons? Did you change timezone or ran hwclock or something like that during their lifetime? And if you're running them in containers, are you providing them with /etc/adjtime and such? Jan > On 19 May 2016, at 07:29, Stefan Eriksson <stefan@xxxxxxxxxxx> wrote: > > I'm using hammer and centos 7, and this message wont go away: > > > health HEALTH_WARN > clock skew detected on mon.ceph01-osd02, mon.ceph01-osd03, mon.ceph01-osd04, mon.ceph01-osd05 > > > I have checked the time on all nodes and it is ok: > > for i in ceph01-osd01 ceph01-osd02 ceph01-osd03 ceph01-osd04 ceph01-osd05 ; do echo $i && echo $(($(date +%s%N)/1000000)) ; done #Calculates in milliseconds > ceph01-osd01 > 1463577588878 > ceph01-osd02 > 1463577588879 > ceph01-osd03 > 1463577588881 > ceph01-osd04 > 1463577588882 > ceph01-osd05 > 1463577588883 > > > My settings are: > > "mon_clock_drift_allowed": "0.05", > "mon_clock_drift_warn_backoff": "5", > > > Thanks. > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com