Thanks guys I was trying these things. NTP looks well synced.. but drifts away after some hours. I will soon check if this could be because the BIOS battery of the APU boxes are empty. Dominique -- Your Swiss, Open Source and IPv6 Virtual Machine. Now on www.datacenterlight.ch On 8/15/18 10:13 PM, Sean Crosby wrote: > Hi Dominique, > > The clock skew warning shows up when your NTP daemon is not synced. > > You can see the sync in the output of ntpq -p > > This is a synced NTP > > # ntpq -p > remote refid st t when poll reach delay > offset jitter > ============================================================================== > ntp.unimelb.edu <http://ntp.unimelb.edu> 210.9.192.50 2 u 24 > 64 17 0.496 -6.421 0.181 > *ntp2.unimelb.ed 202.6.131.118 2 u 26 64 17 0.613 > -11.998 0.250 > ntp41.frosteri. .INIT. 16 u - 64 0 0.000 > 0.000 0.000 > dns01.ntl02.pri .INIT. 16 u - 64 0 0.000 > 0.000 0.000 > cosima.470n.act .INIT. 16 u - 64 0 0.000 > 0.000 0.000 > x.ns.gin.ntt.ne <http://x.ns.gin.ntt.ne> .INIT. 16 u - > 64 0 0.000 0.000 0.000 > > The *'s show that there is a sync with a NTP server. When you start or > restart ntp, it takes a while for a sync to occur > > Here's immediately after restarting the ntp daemon > > # ntpq -p > remote refid st t when poll reach delay > offset jitter > ============================================================================== > ntp.unimelb.edu <http://ntp.unimelb.edu> 210.9.192.50 2 u - > 64 1 0.496 -6.421 0.000 > ntp2.unimelb.ed 202.6.131.118 2 u - 64 1 0.474 > -11.678 0.000 > ntp41.frosteri. .INIT. 16 u - 64 0 0.000 > 0.000 0.000 > dns01.ntl02.pri .INIT. 16 u - 64 0 0.000 > 0.000 0.000 > cosima.470n.act .INIT. 16 u - 64 0 0.000 > 0.000 0.000 > x.ns.gin.ntt.ne <http://x.ns.gin.ntt.ne> .INIT. 16 u - > 64 0 0.000 0.000 0.000 > > Make sure that nothing is regularly restarting ntpd. For us, we had > puppet and dhcp regularly fight over the contents of ntp.conf, and it > caused a restart of ntpd. > > Sean > > > On Wed, 15 Aug 2018 at 19:37, Dominque Roux <dominique.roux@xxxxxxxxxxx > <mailto:dominique.roux@xxxxxxxxxxx>> wrote: > > Hi all, > > We recently facing clock skews from time to time. > This means that sometimes everything is fine but hours later the warning > appears again. > > NTPD is running and configured with the same pool. > > Did someone else already had the same issue and could probably help us > to fix this? > > Thanks a lot! > > Dominique > -- > > Your Swiss, Open Source and IPv6 Virtual Machine. Now on > www.datacenterlight.ch <http://www.datacenterlight.ch> > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx <mailto: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
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