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Re: Advice on hardware server to use for small a dedicated data center


On Mon, Jun 29, 2020 at 10:50:43AM -0400, Celejar wrote:
> On Fri, 26 Jun 2020 15:41:13 -0400
> Dan Ritter <dsr@randomstring.org> wrote:
> ...
> > To give an idea of what you might buy:
> > 
> > a firewall/router
> > a switch
> > a load-balancer
> > 2 web servers
> > a database server
> > a mail server
> > a general utility box with lots of storage to handle backups
> > 
> > All of those duties except the switch can reasonable be run on
> > Debian servers. 
> I'm curious, although I don't know much about, and have little
> experience with, enterprise hardware. Am I correct in my understanding
> that it is actually possible to run (more-or-less) Debian on a switch
> by using OpenSwitch (OPX) on an Open Networking switch.

It's possible. Does not mean that typical enterprise is doing it.
OpenSwitch and SDNs in general are big data center toys.

But as long as we're talking routing traffic up to 1Gbps for that
typical SOHO - you don't need OpenSwtich at all, stock Linux kernel will
do it just fine. It's the hardware that gets tricky here - they do not
set up that many Ethernet ports on a typical server/consumer hardware as
one expects from a typical switch.

> I have no idea if this would be cost-effective in the OP's situation -
> basic switches are certainly a whole lot cheaper than the ones I
> looked at on the OPX HCL.

In general situation it won't be cost-effective. You just cannot beat
the cost of D-Link switch ($250 for that typical 1Gbps 24 ports) with
the cost of 1U server ($2000 and up). One could try to cut the costs
with consumer hardware or even SBCs, but where come the questions of
reliability, remote management, etc.


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