Re: [chrony-dev] Running chronyd without syncing system clock

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Op 22/02/2012 om 23:07:51 +0000, schreef Ed W:
> >In our setup we do not like to pin a service to a specific piece of
> >hardware. If, for some reason, a service should run elsewhere we just
> >stop it en start it elsewhere. bind() make is invisible for the outside
> >to see and firewalls do not need to know about it either. This is what
> >we do for all our services, except ... ntp
> 
> I do something similar, but it later occurred to me that it serves
> no useful purpose to put two ntp servers on a single clocked
> machine? 

This is exactly why I want to separate the systemclock sync from the
networkservice so that each instance serves a specific purpose.

> My solution was to pin NTP instances to hardware and if
> they go down then they go down (do you care?) - if you do care then
> why not make the failover system be something which pushes IPs to
> working instances (so some individual instances might appear to be
> two servers) rather than instances which know their IPs..?
> 

In that case I cannot bind them to a specific IP adress which is needed
to be transparant for firewalls in and outside my network.

> The point is that you don't seem to gain anything by running two
> instances of ntp on a single physical machine? (Just the appearance
> that instances are doing something?)
> 
> What do you think?
> 

I disagree :)

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