0
votes
1answer
420 views

KVM guest clock sync with host

I'm running KVM w/ centos 6.x. My guest vm clocks are booting with a 1-2 second lag from their host. My clocksource for the host is ntp. My clocksource for the guest is "kvm-clock", but I need to ...
1
vote
1answer
821 views

How time is affected by the ntpd and /etc/localtime

Can anyone explain how ntpd and /etc/localtime and system clock interact with each other, in UNIX or more specific in freeBSD? I'm giving the following long description of the concepts in case I ...
2
votes
4answers
1k views

Best way to say “sync all system clocks to this server, when and ONLY when I say so?” Mixed setup of Windows+Linux servers

Title pretty much explains it. Let's say there's 100 servers, various versions of Windows and Linux, and one Windows server is the "master clock." I did look at this question: How do I synchronize ...
4
votes
5answers
3k views

Excessive clock drift on AMD Athlon prevents ntpd from synchronizing clock

I've got an AMD Athlon XP-2500+ host (Shuttle MN31 motherboard, nForce 2 IGP + MCP-T chipset) running 32-bit Ubuntu 9.10 (i686 2.6.31-20-generic kernel). Unfortunately, it appears that the clock drift ...
3
votes
3answers
6k views

How do I stop the clock running fast on a virtualbox client running ubuntu 8.04?

I'm having a problem with the clock running fast in Ubuntu 8.04 server (2.6.24-24-generic kernel) running in VirtualBox 3.04. It's drifting quickly, something like 5 minutes per hour. I think it was ...