----- Original Message ----- > From: "Shahar Havivi" <shah...@redhat.com> > To: vdsm-devel@lists.fedorahosted.org > Sent: Monday, April 6, 2015 2:44:06 PM > Subject: [vdsm] vdsm hosts clock sync > > Hi, > > I want to add a new feature that reports migration actual downtime (the time > that the VM was inaccessible to the user). > > Libvirt reports that information but the vdsm hosts need to be in sync by > clock > time. > I can measure the ping for NTP server an report back to the user if the ping > is too long (more then ~100ms or so) - a way to do that is via ntpstat shell > command. > The NTP delay can be report back via vdsStats and can be performed every > few hours or so. > > Anyone knows of a better way that we can sync between hosts?
I am unsure how a ping to clock source is helping, can you please explain more? If you assume clocks are synced why anything more is needed? Or would you like to have a solution in which you do not require clock sync? > > Thank you, > Shahar Havivi. > _______________________________________________ > vdsm-devel mailing list > vdsm-devel@lists.fedorahosted.org > https://lists.fedorahosted.org/mailman/listinfo/vdsm-devel > _______________________________________________ vdsm-devel mailing list vdsm-devel@lists.fedorahosted.org https://lists.fedorahosted.org/mailman/listinfo/vdsm-devel