[Clusterusers] Opinions....

[Chris Perry]

I defer to you, buddy! You know our collective needs the best. 

- chris

> On Jan 10, 2014, at 9:41 AM, "Wm. Josiah Erikson" <wjerikson at hampshire.edu> wrote:
> 
> In buying more nodes for the cluster this year, should I prioritize:
> 
> (1) More cheap nodes like we currently have in rack 2 (I could buy somewhere around 12 - 16 more of those nodes, or maybe 4 if I go with option 2 as well)
> (2) Faster, more modern nodes with more RAM, but fewer of them (4 of them, to be precise)
> 
> I'm leaning towards (2), because:
>    1. They will last longer
>    2. We're almost out of space
>    3. We don't have very many really fast, semi-modern Intel nodes.
> 
> I can buy 4 nodes that are kindof like dual-processor six-core (so 12 cores total, shows up like 24 because they each have two execution units) versions of compute-1-17 with 48GB of RAM each for a total of $3100 used on eBay... or with 96GB of RAM each for $4600. Seems like a good plan (we don't ever need quite that much RAM though, do we?). Or I could buy a whole bunch more of what we've got in rack 2, though I'd have to get rid of a couple of the rack 1 nodes, and I couldn't put them on UPS, which is maybe OK, since the power problems seem to have been resolved.
> 
> Thoughts?
> 
> -- 
> Wm. Josiah Erikson
> Assistant Director of IT, Infrastructure Group
> System Administrator, School of CS
> Hampshire College
> Amherst, MA 01002
> (413) 559-6091
> 
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