[ale] Infrastructure services on same host?

[dev null zero two]

right, but what happens when a faulty config gets pushed out to all three
of your DNS servers which also takes down your SMTP servers (because they
need to be brought down for maintenance, or it introduced high load or any
number of other issues)? I've seen it happen plenty before.

On Tue, Jun 23, 2015 at 1:01 PM, leam hall <leamhall at gmail.com> wrote:

> Multiples of everything. Instead of 1 each SMTP, DNS, and NTP server, make
> three servers do everything.
>
> On Tue, Jun 23, 2015 at 12:55 PM, James Sumners <james.sumners at gmail.com>
> wrote:
>
>> 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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>>
>
>
> --
> Mind on a Mission <http://leamhall.blogspot.com/>
>
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