[ale] Infrastructure services on same host?

[leam hall]

That's why we don't do DevOps; we actually care about uptime.  :)

On Tue, Jun 23, 2015 at 1:07 PM, dev null zero two <dev.null.02 at gmail.com>
wrote:

> 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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>>
>
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-- 
Mind on a Mission <http://leamhall.blogspot.com/>
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