[CentOS] timekeeping on VMware guests

Carlos Santana neubyr at gmail.com
Wed Oct 14 14:41:52 UTC 2009

The CentOS wiki link I mentioned [
http://wiki.centos.org/TipsAndTricks/VMWare_Server ], has instructions
adapted from VMware knowledge base link mentioned by many of you [
http://kb.vmware.com/kb/1006427 ].

I have followed the instructions on CentOS wiki, but it doesn't seem
to work. Most of the suggestions here are same as mentioned in the
CentOS wiki/VMware knowledge base.  Any comments or suggestions?


On Tue, Oct 13, 2009 at 6:34 PM, Ray Van Dolson <rayvd at bludgeon.org> wrote:
> On Tue, Oct 13, 2009 at 04:31:03PM -0700, nate wrote:
>> Carlos Santana wrote:
>> > Howdy,
>> >
>> > I am having time-drift issues on my CentOS VM. I had referred to
>> > following documentation:
>> > http://wiki.centos.org/TipsAndTricks/VMWare_Server , however it didn't
>> > help. I used kickstart for creating this VM and I am listing important
>> > steps in ref to timekeeping issue. Any comments or suggestion would be
>> > appreciated.
>> [..]
>> > VMware Tools not installed.
>> You should certainly install vmware tools, and enable time sync to
>> the guest. Also don't run an ntp server in a Vmware VM.
> This is what I'd always thought, but the VMware KB link[1] referenced
> in the other reply in this thread seems to indicate that best practice
> is to use NTP + kernel w/ clock/divider options (unless it's new enough
> to not need it) and to *not* use the VMware Tools host time sync.
> That said, you should certainly still have VMware Tools installed, it
> just sounds like the host time sync is no longer preferred...
> Also note that they recommend you remove the local time source in
> ntp.conf...
> Ray
> [1] http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1006427
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