[Atlas-anchors-pilot] HW specs: the choice of *two*

[Romeo Zwart]

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Hi all,

On 12/09/28 09:37 , Gert Doering wrote:
> Hi,
> 
> On Thu, Sep 27, 2012 at 11:37:32PM +0200, Piotr Strzyzewski wrote:
>>> The system proposed indeed includes an on-board Dual-port GE
>>> interface (Broadcom).
>> 
>> But isn't it still done in a single chip so that it is still the
>> single point of failure?

True, this doesn't address any SPOF in the Anchor system itself. BTW,
complete resilience in the Anchors is not a design goal. We want a
stable system, but this is obviously not intended as a completely
fault-tolerant system or an HA setup.

Romeo

> I'm interested in dual-ge uplinks to compensate for changes or
> outages in the network (switch failure, or having to reboot a
> device for upgrades), which is guaranteed to happen every now and
> then.
> 
> OTOH, judging from our installed basis of servers, hardware outage
> of an onboard GE chip is something I consider unlikely enough to
> not worry about it in this context (I think we've seen more CPUs
> and RAM go bad than ethernet cards).
> 
> Gert Doering -- NetMaster
> 

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