Hi, I have set the param and the time at 12:29 and now I have a difference of more than 7 min. So it didn´t help me. :-( ESG 2009/5/13 ESGLinux <esggrupos@xxxxxxxxx> > Hello, > > I have set as you say. > > I´ll be looking if I have problems with the time, > > Thanks for your answer > > ESG > > 2009/5/13 Schaffrath, Rene <Rene.Schaffrath@xxxxxxxxxxxxxx> > > Hello, >> >> have you tried to set "xen.independent_wallclock=1" in >> /etc/sysctl.conf (activate with sysctl -p). >> >> No time drifting in our domUs - even under very high cpu load... >> >> Hope this helps, >> René >> >> >> > -----Original Message----- >> > From: redhat-list-bounces@xxxxxxxxxx >> > [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of ESGLinux >> > Sent: Wednesday, May 13, 2009 9:14 AM >> > To: General Red Hat Linux discussion list >> > Subject: Xen virtual machines and ntp >> > >> > Hi, >> > >> > I´m running a Xen server with several virtual machines on >> > it. I have a >> > problem with the time of the machines. >> > They unsynchronize very fast (in an hour several seconds). I >> > try to use ntpd >> > to syncronize them but It doesn´t work. >> > >> > I have set up a local ntp server with this ntp.conf: >> > >> > #grep ^[^#] /etc/ntp.conf >> > restrict default kod nomodify notrap >> > restrict 192.168.1.0 mask 255.255.255.0 nomodify notrap >> > server 1.rhel.pool.ntp.org >> > server 2.rhel.pool.ntp.org >> > server 127.127.1.0 >> > fudge 127.127.1.0 stratum 10 >> > driftfile /var/lib/ntp/drift >> > keys /etc/ntp/keys >> > restrict 1.rhel.pool.ntp.org mask 255.255.255.255 nomodify >> > notrap noquery >> > restrict 2.rhel.pool.ntp.org mask 255.255.255.255 nomodify >> > notrap noquery >> > server hora.roa.es >> > restrict hora.roa.es mask 255.255.255.255 nomodify notrap noquery >> > >> > and the clients like this: >> > >> > restrict default kod nomodify notrap nopeer noquery >> > tinker step 0 >> > restrict 127.0.0.1 >> > restrict -6 ::1 >> > server 192.168.1.1 >> > server 0.rhel.pool.ntp.org >> > server 1.rhel.pool.ntp.org >> > server 2.rhel.pool.ntp.org >> > driftfile /var/lib/ntp/drift >> > keys /etc/ntp/keys >> > restrict 0.rhel.pool.ntp.org mask 255.255.255.255 nomodify >> > notrap noquery >> > restrict 1.rhel.pool.ntp.org mask 255.255.255.255 nomodify >> > notrap noquery >> > restrict 2.rhel.pool.ntp.org mask 255.255.255.255 nomodify >> > notrap noquery >> > restrict 192.168.1.1 mask 255.255.255.255 nomodify notrap noquery >> > >> > 192.168.1.1 is the first machine, the one I want to be the >> > ntp local server. >> > >> > the param tinker step 0 I get from this >> > http://wiki.dovecot.org/TimeMovedBackwards >> > My real problem began with dovecot, because if the machine is not well >> > syncronized the dovecot kills itself ( dovecot: Time just >> > moved backwards by >> > 8 seconds. This might cause a lot of problems, so I'll just >> > kill myself now. >> > http://wiki.dovecot.org/TimeMovedBackwards) >> > >> > >> > so, I have two questions: >> > >> > 1 - Why my virtual machines unsynchronize so quickly? >> > 2 - What am I doing wrong with ntpd? >> > >> > thanks in advance >> > >> > ESG >> > -- >> > redhat-list mailing list >> > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=subscribe >> > https://www.redhat.com/mailman/listinfo/redhat-list >> > >> ---------------------------------------------------------------- >> Mundipharma Vertriebsgesellschaft mbH & Co. KG >> Mundipharma Straße 6 >> 65549 Limburg (Lahn) >> Tel: +49 (0)6431 701 0 >> Amtsgericht Limburg (Lahn) HRA 624 >> >> Persönlich haftende Gesellschafterin: >> Mundipharma Verwaltungsgesellschaft mbH, Sitz in Limburg (Lahn), >> Registergericht Limburg (Lahn) HRB 462 >> Geschäftsführer: >> Mortimer D. Sackler M.D., Raymond R. Sackler M.D., >> Richard S. Sackler M.D., Kathe A. Sackler M.D., >> Jonathan D. Sackler M.D., Mortimer David A. Sackler, >> Samantha S. Sackler-Hunt, Peter Boer, Åke Wikström, >> Gunther Niederheide, Jürgen Feld (stellvertretend) >> ---------------------------------------------------------------- >> >> >> >> -- >> redhat-list mailing list >> unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe >> https://www.redhat.com/mailman/listinfo/redhat-list >> > > -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subjecthttps://www.redhat.com/mailman/listinfo/redhat-list