[Beowulf] clustering using off the shelf systems in a fish tank full of oil.

[Jonathan Aquilina]

On 12/28/2011 11:30 AM, Lux, Jim (337C) wrote:
>
> On 12/28/11 8:18 AM, "Jonathan Aquilina"<eagles051387 at gmail.com>  wrote:
>
>> Was thinking that after i sent the email.
>>
>> I think the solution to part one of your answer Prentice is the following.
>>
>> You would have spare machines on hand that you would swap out with a
>> faulty machine allowing you the necessary time to replace parts as
>> needed with out the risk of spilling the oil on the floor and creating
>> any hazards in the workplace.
>
> And you'll have your oily floor "service depot" somewhere else...  (and
> you'll still have oily floors under your racks.. Oil WILL move through the
> wires by capillary attraction and/or thermal/atmospheric pumping.    Home
> experiment:  Get a piece of stranded wire about 30 cm long.  Fill a cup or
> glass with oil to within a couple cm of the top.  Drape the wire over the
> edge of the cup with one end in the oil and the other end on a piece of
> paper on the surface of the table. (do all this within a raised edge pan
> or cookie sheet).  Wait a day or two.  Observe.  Clean up.
>
> Bear in mind that a 4 U case full of oil is going to be pretty heavy.  Oil
> has a specific gravity/density of around .7 kg/liter.  It's gonna be right
> around the OSHA 1 person lift limit of 55 lb, and I wouldn't want to be
> the guy standing under the chassis as you pull it out of the top slot of
> the rack.  So you're going to need a rolling cart with a suitable lifting
> mechanism or maybe a chain hoist on a rail down between your server
> aisles, sort of like in a slaughter house or metal plating plant?
>
Wait a min guys maybe i wasnt clear, im not saying using standard server 
cases here. I am talking about actually using fish tanks instead. would 
you still have that leaking issue?