[Spacewalk-list] Why I want to give up on spacewalk

[Andre Dill]

Hi Mark,

In my experience on a fully loaded Vmware server ntpd is not good
enough.
I have had skew of 30s + in a minute - ntpd just cannot handle such skew
and freaks out.
Eventually my solution for the development VMware server was to run a
manual ntpdate via cron every minute -- horrible kludge I know - but
this is a dev server, the production servers are not so heavily loaded.

Regards,

-- 
Andre Dill


> -----Original Message-----
> From: spacewalk-list-bounces at redhat.com [mailto:spacewalk-list-
> bounces at redhat.com] On Behalf Of m.roth2006 at rcn.com
> Sent: 09 February 2009 17:09 PM
> To: spacewalk-list at redhat.com
> Subject: RE: [Spacewalk-list] Why I want to give up on spacewalk
> 
> Andre,
> 
> >Date: Mon, 9 Feb 2009 17:01:57 +0200
> >From: "Andre Dill" <Andre.Dill at datacash.co.za>
> >
> >I don't know if you have looked at this already but I had some weird
> behavior when running spacewalk on my VMware test server and it seemed
> related to time. See
>
>http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&c
> md=displayKC&externalId=1006427
> >
> <snip>
> Yep - we went through all our servers (> 80) taking care of NTP weeks
> ago, and I was about to respond to you with exactly the same link. <g>
> 
> For those reading this, VMware's own knowledgebase says, explicitly,
in
> the best practices for timekeeping for Linux:
> > NTP Recommendations
> > Note: In all cases use NTP instead of VMware Tools periodic
> > time synchronization. Also, you may need to open the
> > firewall (UPD 123) to allow NTP traffic.
> 
>       mark
> 
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