[GTALUG] NOT: Re: From BTRFS to what?

ac ac at main.me
Wed Sep 6 10:04:56 EDT 2017

seeing as it is already out there :)

There are some geo's that have extremely high number of sunlight days &
are also blessed with natural wind (like Hawaii, etc) - how much power
does Raspberry PI use? 

i added a top post just for more fun, I mean if it is gonna hang out it
has to hang all out :) 

On Wed, 6 Sep 2017 09:06:41 -0400
Alvin Starr via talk <talk at gtalug.org> wrote:
> Now to the completely unrelated part.
> I have been thinking about a project and I would like to bounce it
> off you.
> A client came to me asking about helping him setup an Etherium mining 
> server pool.
> This got me thinking.
> In its simplest sense the process is power in ..... ETH out.
> The biggest cost is power then cooling to get rid of all the head
> from the GPU's.
> What if you glue a GPU with very little extra hardware to the back of
> a solar panel.
> Stick it out in the sun and let it calculate 8-10 hours a day.
> Put a big heat sink on the GPU and it should be able to stay cool
> enough just from air cooling
> Take a few thousand of these and set them out in a sunny place and
> you would have a coin generator.
> Once the hardware is paid for then the operational cost would be
> close to 0 but for some glass cleaner and rags.
> They would need to be networked together but it does not have to be
> high speed.
> It could be a low power mesh to an edge that connects via something
> as simple as cell phone data.
> Solar panels cost about $1/watt and there is no ongoing cost but
> power here costs about $0.08-0.16/KWH.
> On the face of it there is a 3 year payback for the power but if you
> add in 30% extra power to run cooling and the building costs for
> housing the mining pool.
> Am I crazy?

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