Re: [ntp:questions] NTP Servers in virtual machines

2014-06-25 Thread David Woolley
On 25/06/14 10:43, Rob Heemskerk wrote: Not sure what it's worth and how it is implemented on other virtualisation platforms but according to vmware docs they have a virtual tsc. It is set when the vm is powered on but when the vm is moved to a different host (or resumed more generally) it kee

Re: [ntp:questions] NTP Pool Server Costs me $40/mo in Bandwidth--is

2014-06-25 Thread mike cook
Part of this thread has gone OT. I don't think this is the right list to be discussing this. the Leap Second Discussion List is available for exactly this debate. However, that said, here's my 2 cents. As has been mentioned, UTC with leaps seconds, has been defined to track UT1 and thus sol

Re: [ntp:questions] NTP Servers in virtual machines

2014-06-25 Thread Rob Heemskerk
Op maandag 23 juni 2014 15:54:13 UTC+2 schreef David Woolley: > On 23/06/14 13:12, Miroslav Lichvar wrote: > > > I think it all depends on the VM implementation and what clocksource > > is used in the guest. If the guest is using tsc (i.e. its frequency is > > independent of the host clock), it wi

Re: [ntp:questions] NTP Pool Server Costs me $40/mo in Bandwidth--is

2014-06-25 Thread Miroslav Lichvar
On Tue, Jun 24, 2014 at 06:13:17PM -0500, Mike S wrote: > On 6/24/2014 5:59 AM, Miroslav Lichvar wrote: > >To me, it seems the reasonable thing to do would be to decouple UTC and > >UT1 completely and make the adjustment at a higher level like > >timezones if necessary. > > You're doing it wrong.

Re: [ntp:questions] NTP Pool Server Costs me $40/mo in Bandwidth--is

2014-06-25 Thread Miroslav Lichvar
On Tue, Jun 24, 2014 at 06:25:37PM +0200, Jochen Bern wrote: > On -10.01.-28163 20:59, Miroslav Lichvar wrote: > > Agreed, but wouldn't switching to TAI everywhere be much more > > difficult than stopping messing with UTC and keep it a fixed offset > > from TAI? > > Having computer clocks run on U