Redundant time servers in house.... On Tue, Aug 9, 2011 at 10:55 AM, John Cook <john.c...@pfsf.org> wrote:
> Single point of failure……….**** > > ** ** > > *John W. Cook***** > > *System Administrator***** > > *Partnership For Strong Families* > > *5950 NW 1st Place* > > *Gainesville, Fl 32607* > > *Office (352) 244-1610***** > > *Cell (352) 215-6944***** > > *MCSE, MCP+I, MCTS, CompTIA A+, N+, VSP**4, VTSP4***** > > ** ** > > *From:* Steve Ens [mailto:stevey...@gmail.com] > *Sent:* Tuesday, August 09, 2011 11:53 AM > > *To:* NT System Admin Issues > *Subject:* Re: Strange Time issue**** > > ** ** > > I've done the same thing on my hyperV guests...turn off host time sync and > have them all sync to the DCs. The FSMO role holder is the only machine > syncing to an external time source.**** > > On Tue, Aug 9, 2011 at 10:49 AM, Andrew S. Baker <asbz...@gmail.com> > wrote:**** > > Exactly the problem I've seen at two locations. That's why we moved > away from the hosts managing the clock for the guests. > **** > > ** ** > > *ASB***** > > *http://about.me/Andrew.S.Baker***** > > *Harnessing the Advantages of Technology for the SMB market…***** > > > > **** > > On Tue, Aug 9, 2011 at 11:24 AM, Senter, John <john.sen...@etrade.com> > wrote:**** > > We kept getting time issues when we had ESX set the time on Windows servers > because the domain will adjust the server time and then the ESX system > adjust it back. This kept causing the time to go back and forth and it > turned out the ESX systems were getting skewed from the NTP source at a > greater rate. So let the domain do its thing with the servers by setting > time.**** > > **** > > *From:* John Cook [mailto:john.c...@pfsf.org] > *Sent:* Tuesday, August 09, 2011 11:18 AM**** > > > *To:* NT System Admin Issues > *Subject:* RE: Strange Time issue**** > > **** > > All domain machines. All VM guests sync to the ESX hosts. All workstations > sync to physical DC’s that use standard Windows time service.**** > > **** > > *John W. Cook***** > > *System Administrator***** > > *Partnership For Strong Families***** > > *5950 NW 1st Place***** > > *Gainesville, Fl 32607***** > > *Office (352) 244-1610***** > > *Cell (352) 215-6944***** > > *MCSE, MCP+I, MCTS, CompTIA A+, N+, VSP4, VTSP4***** > > **** > > *From:* David Lum [mailto:david....@nwea.org] > *Sent:* Tuesday, August 09, 2011 10:49 AM > *To:* NT System Admin Issues > *Subject:* RE: Strange Time issue**** > > **** > > Are these domain machines? You don’t sync them to a DC and sync the DC out > to an external NTP server?**** > > *David Lum* > Systems Engineer // NWEATM > Office 503.548.5229 //* *Cell (voice/text) 503.267.9764**** > > *From:* John Cook [mailto:john.c...@pfsf.org] > *Sent:* Tuesday, August 09, 2011 7:21 AM > *To:* NT System Admin Issues > *Subject:* RE: Strange Time issue**** > > **** > > I actually use the VMWare tools time sync function on the guests and have > my hosts sync to north-america.pool.ntp.org. I’m on ESX 4.1 not ESXi**** > > **** > > *John W. Cook***** > > *System Administrator***** > > *Partnership For Strong Families***** > > *5950 NW 1st Place***** > > *Gainesville, Fl 32607***** > > *Office (352) 244-1610***** > > *Cell (352) 215-6944***** > > *MCSE, MCP+I, MCTS, CompTIA A+, N+, VSP4, VTSP4***** > > **** > > *From:* Andrew S. Baker [mailto:asbz...@gmail.com] > *Sent:* Tuesday, August 09, 2011 10:05 AM > *To:* NT System Admin Issues > *Subject:* Re: Strange Time issue**** > > **** > > As John notes, you should let the guests keep time for themselves, and not > get their time from the hosts. > **** > > *ASB***** > > *http://about.me/Andrew.S.Baker***** > > *Harnessing the Advantages of Technology for the SMB market…***** > > **** > > On Tue, Aug 9, 2011 at 9:53 AM, Greg Sweers <gswe...@acts360.com> wrote:** > ** > > We have a single VMware ESXi 4.1 running 1 Windows 2003 R2, and 1 x 2008 R2 > server. The 2008 R2 server runs faster. Watching the clock it actually > tickets about 3 real seconds to 5 seconds on the clock in the console. > Needless to say this puts stuff out of sync pretty quick.**** > > **** > > Looked online and I found a few posts regarding some weird time services, > but nothing Microsoft or VMware. Anyone seen this before? The 2003 Server > runs normally. I can resync against the DC and they are out of sync by 15 > seconds in under a minute.**** > > **** > > *Greg Sweers***** > > CEO**** > > *ACTS360.com <http://www.acts360.com/>***** > > *P.O. 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