Topic: Data Center Mining Garage and Man Mining Cave ( PART 2 !!!!!!!!) - page 6. (Read 106695 times)

This is so cool. great job, OP.

My question is how did you manage to install 3 electrical panels? It looks like you are in US or Canada. Do they allow you to install more than one in a residential property simply?

Centerpoint is a pain in the ass to deal with. I just finished my service upgrade from a 100A to a 400A on my house. Back and forth on possible solutions. At first they said it was not possible, then they later said it was ok to have a separate meter (would have to be business). However, the transformer in my neighbor's yard had NO spare connections. I wanted a dedicated 400A service to my shed, but they wouldn't allow because there was not enough space to terminate new wires.

So, literally today, my shed was powered up. 400A service to the home through a new 100 foot run of 2 1/2" conduit, buried 20" below grade. However, they have the 80% rule, so i really only have 320A. My home now ties into that service, on a 100A panel (no changes), then we have a 225A disconnect that feeds power back to the shed's dedicated breaker panel.


My original estimate was like 10k including digging, but that was before Centerpoint started making problems. I would expect closer to 12k.

For me the biggest cost was the digging crew.

11K seems high when you already have 200amp

You can have a separate meter on a detached garage or separate building on your property, I did it an added 600amps to my garage and on top of that i set it up using business
info so i got far lower buisness rates on the seccond meter

all for 13k for 600amp

welcome back yun cant wait to see the new pics / update you have

yun9999 how much did it cost to upgrade from your original 150amp  service to 550 ?  I am trying to upgrade from 200amps to 400amps and got a quote of $11K.  Also in Texas.

How are you able to get a second meter ?  I called Centerpoint and they said there is no way a residential house can have a second electrical meter.

Ohh !! i was starting to wonder where you had disappeared !! Waiting eagerly for the updates.

does that even make it profitable?

I am shopping around for space to build my next rigs into and expand myself. At my current operating cost and earnings mining on zpool mainly, im averaging right around 1 to 2.3 ratio. So for every $1 ive put into the setup, it will net me $2.3/yr tell all the equipment is payed off over the course of a year, then its just overhead on the equipment.....

I have been thinking of just buying a small 2 bedroom fixer upper house with garage space and turn the garage into a cooling chamber. I have my main PC at home that is watercooled and just a week ago i took my hottest rig, which is 4 x 1080ti MSI Armors (terrible cooling cards) and installed Kraken G12's on them with universal GPU blocks from ekwb to keep the cost right around $60/card to convert. i have the rig sitting in the laundry room as a test location (the laundry room is the room you have to pass through between the kitchen and the garage. I ran pex line temp through the drywall into the garage and i have the radiator sitting in the garage cooling the rigs, so far the concept is working out... my card temps are far lower than any air card i have running, but the temps are not as nice as the watercooled gaming pc, because the garage has no windows and only ventilates through a leaky garage door, so the room over time gets to a set temps and just stays at that temp. If i was to ventilate the garage more i am almost certain i could get the cards down into the low 50's on temps.

The idea would allow me to just leave the computer/rigs inside the house to be cooled by the a/c to some degree leaving the a/c set in the 80's, but majority of the heat would be pulled out of the house via the waterlines and dumped into the garage to be vented to atmosphere.....If the test rig continues to be reliable, i plan to upscale this to multiple rigs, because you gain a small % of additional earnings from the cooler temps on the gpu's also.. to offset the cost of the conversion. The reason i dont want to buy already converted gpu's, is because if i do want to dump them i can just put the air fans back on and sell them, otherwise i would be stuck with 50 watercooled gpu's for a niche market to buy used... plus using the kraken kit along with a universal water block allows it to be transferred to another card in the future when i upgrade.

Plus if i buy a cheaper 2 bedroom fixer upper in my area, the mortgage and insurance would run me around $300/month, so the rigs would literally act as house renters and pay the house for me over time.

Cant wait ... 

BACK Y'all........................  been so busy with so many things in life.     Have lots of exciting things to share..................just need time to gather the stuff, upload,etc.  I wish Bitcointalk have a newer interface to allow easier uploading without needing to transfer to imgur first, etc.

Still in negotiation.

First quote, 42U rack at 12kW MAX, unlimited use of power and cooling, $1250/month.

Requested they quote with variable power use. Toured the facility, now waiting for the re-quote.

Basing my calculations on 9-10 4U E-ATX cases.

I just want order second rig. But prices of gtx 1070/1060 are insane .

I will make call to main eshops in my state and tried to get P106 6gb 

Such places don't even exist in my rural area, nor would it work for us for other reasons, but out of curiosity, would you care to share the approximate figure that data center rental would cost each month?

Right now I've got 12 rigs at home almost max'ing the 150AMP breaker @ 110V. Thought about doing what this Florida build out did.

Now I want to expand, double maybe triple. Debating whether to flip to 220 or bring in more electrical service lines. Either way, the A/C system is under powered for 2 adults and 12 mining rigs. That would need upgrading too.

This endeavor led me to comparing the option of co-locating at a data center nearby vs. creating a data center in a commercial space or even at home.

Found that the data center can beat my overhead + power costs. I pay almost $1000/month (14cents/KWh) to run and cool 70 470s/480s in the summer months, not including space and networking costs.

Compared to creating my own mine, the data center has badge access, loading dock access, work space to build, fiber-to-premise, and redundancy of everything (power, ISP, etc.), a 24/7 NOC, and a ton of little extra services.


I found that once you need to upgrade past 150/200 AMP service at home to feed the hungry mining rigs, that is the point where one needs to evaluate data center pricing. The numbers changed my mind for sure.

 

Awesome and insipring operation. I just finished a 2.4m*3.4m well insulated gyprock box in my garage and now i have to start thinking about ventilation. Where did you buy those vent shown in the first picture ? And how much were they each ? I have only 36 gpus (mostly 1080ti-s some 1070s and 1060s as well) total at the moment so i guess i only need 1 of those.

This is the method that the power company takes the very high voltage at the pole and lowers it to enter your home, it can be done both ways.
 

I learned a valuable lesson today and wanted to share.  I have a 240v PDU which has two 16 amp breakers built into it (6 plugs on each side).  I was installing a server PSU -1200w and using an standard PSU 850w to run the board and the risers.  What my mistake was that smoked 4 cards was plugging the 240v server psu into one side of the PDU at 240v and the atx psu 850w 204v into the other side of the PDU.  Apparently the two grounds (i think) one is A-side of panel and other is B-side.  I had successfully done this with my first rig, but was lucky enough to have both power supplies(Server & ATX)  plugged into one side of my PDU.  I guess this is lesson learned and if I had done the pico like I  was thinking the power would have all come from the server 1200 watt power supply.  Well I am going to try and RMA them, but they smell bad.  I just picked up 2 more sapphire rx 470's and was planing on building a new rig.  Guess I have room for them know.  Sometimes a lesson is learned the hard way and hopefully it just costs me time and some lost hash. :-(   Don't you just hate when you do stupid stuff?  I lost my test rig last week to a power supply that I had unplugged and it still had charge i guess.  When I went to plug it into an old test motherboard with 2 pci-e slots, it discharged and i heard it.  Put a new supply into the board and nothing.  I guess its just not my week!

Ya im going to keep looking into other options.. right now i can only host like 8 gpu's total at my condo.. its wired for 15amps each circuit and only 3 circuits for the entire condo for me to plug into, so most of my operation is at my parents house in the garage.. but the space is pretty hot now with all the gpu's running now.. lately with the 100+ temps im having to push the fans 80% on a auto curve i setup to maintain temps at 70c... during the hottest part of the day

Having a small area actually makes it easier, because it makes for a smaller volume of air, but just having a door that is slightly open won't be enough (not to mention that this is very insecure).

The key is going to be moving enough air - cooling the air isn't really necessary unless you're dealing with temperatures well above 100F on a regular basis.  If you're using open air rigs, you'll need fans capable of displacing all the air in the unit (~4000 cubic feet depending on ceiling height) a few times a minute to keep temperatures steady.  I'm no expert, but this doesn't sound like you're going to be able to easily vent that much air safely to the outside (not just into the ceiling - it will build up if there isn't good ventilation out of the roof.  If you use enclosed rigs, you could create hot/cold aisles, which drastically reduces the amount of air that you'll need to move.

220v @ 100 amps will still give you about 18kW of power to play with (technically 22, but you should avoid maxing it out in order to accommodate spikes and other fluctuations), which would be roughly 15-20 rigs depending on their configuration.  You'll probably be spending at least 1kW on fans, if not more, so keep that in mind when budgeting your power.

I'm running 4 rigs in my garage, enclosed in a fairly small area (~20 cu ft), with a 3500CFM exhaust fan directly to the outside, and a 6" intake vent feeding fresh air.  It's massively overkill since even with inefficient sealing it's refreshing the entire volume of air almost once a second, but even when dealing with 100F intake air, my GPU temps have been completely stable, with no more than a 1-2 degree fluctuation.

I've looked into getting a dedicated space as well, but the only way I can justify the extra monthly expense vs home hosting is if I can densely pack the unit - so I'd want at least 200A service (preferably 400A total) for a 400 sq ft space.  Otherwise, it's simpler and cheaper to just use my existing electrical service and ventilation options.

I may be adventuring into the realm of a mini-warehouse mining setup... i found a business park near me that has semi-decent 398sqft mini units for $298/month... they are already wired to some degree.. but they are limited to 220v @ 100amps....

Only issue keeping me to signing today and jumping onboard is the unknown of how to cool inside of such a tight space.. ive been told the doors cant be modified at all, but the inside is allowed to be modified as long as i return it back to how it is now when i leave... so im able to remove one of the sheets of plywood and place some sort of vent if i want in the ceiling.. the rafters are hollow between all the units and the roof has gutter ventilation only tho..... the rollup door is pretty loose and with locking the unit via the locking mechanisim, there is enough space to place about 2-2 1/2 inches under the rollup door in movement, so i could lock the door from the inside and keep wood wedged under it to allow somewhat of ventilation across the bottom....

Anyone on here have any experience in regards to this type of setup?

Rather than making a DIY transformer and having an unknown voltage/amp, you can very likely buy them online.  Or, you could even flip from AC to DC, build up the amps in a battery grid and then flip back.  Bear in mind that I only have a passing knowledge here, I will be told quickly if I am wrong in the approach, but I thought I would mention it.