[ale] Infrastructure services on same host?

[James Sumners]

So what happens when you need to do maintenance on the mail relay?
Maintenance that necessitates taking the whole system offline (for whatever
reason). You are then taking offline at least one of your internal DNS and
NTP servers.

I prefer one service per system for that reason. However, we are a
primarily VM based shop.

I do have some physical servers that are running multiple services, though.
And those two boxes are running: DNS, DHCP, and NTP. All very related
services.


On Tue, Jun 23, 2015 at 12:36 PM, leam hall <leamhall at gmail.com> wrote:

> I've seen large companies take the "Winderz Way" and put every single
> service on a separate host. This adds cost and resource consumption and I'm
> not sure there's a good reason for it.
>
> Am I off base here? Is there any reason not to have internal only DNS,
> NTP, and Mail Relaying on the same hosts?
>
> Leam
>
> --
> Mind on a Mission <http://leamhall.blogspot.com/>
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-- 
James Sumners
http://james.sumners.info/ (technical profile)
http://jrfom.com/ (personal site)
http://haplo.bandcamp.com/ (band page)
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