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Topic: KanoPool kano.is lowest 0.9% fee 🐈 since 2014 - Worldwide - 2432 blocks - page 327. (Read 5352229 times)

jr. member
Activity: 119
Merit: 2
Coupons.. I see some people do give away coupons here to put miners to Kano. If anyone have coupon iam up for putting more th/s to Kano =]

I gave away two 420s.

I could be coerced into giving one more of those away and a 220. I’m holding the last 420 for personal use.

The stipulation like the others I gave it to is id really like to see a receipt so I know they’re not getting sold. I trust just about everyone on this forum until they give me a reason not to.

PM me your bitmain email. I’m going to sleep now but when I wake I’ll ship a 420 and up to two 220s to you.
newbie
Activity: 16
Merit: 0
Coupons.. I see some people do give away coupons here to put miners to Kano. If anyone have coupon iam up for putting more th/s to Kano =]
jr. member
Activity: 119
Merit: 2
Yep. Step 1 was kanos ok. Check. Step two, crunch numbers like crazy. Not my first business plan.

Step three, see if my boss / investor agrees. Hes business savvy enough to vet the plan and hire resources to do so. I’ll be providing best and worst case scenarios in my areas of expertise.

Then it’s yay or nay

Hell I might find in my own discovery it doesn’t make any sense
jr. member
Activity: 168
Merit: 2

Holy crap where did my math go wrong on the power, you're 100% correct 800 * 1370 = 1,096,000

Thank you for the info. Once i get passed the business plan ill reach out.

Also chuckled when you said "a warehouse with a roof big enough".   Basic solar math, presuming you want to run on 13.5TH S9, with a real world consumption of around 1450 watts:

* (1) typical panel, lets say a 130W one, will produce about 4 hours of power a day at 80% of its rated rate (since the rated rate is optimal during noon soon in the tropics):  130*0.8*4=416 watts per panel per day
* Each miner therefore requires about 3.5 panels
* 1 megawatts of power = (690) 1450W miners = 2,145 panels at about a square meter each, so call it 21,450 square feet of roof space over a data center that doesn't need to be over 2000 square feet in size, likely larger.

But wait...  Nobody is going it invest that type of money to run miners for 4 hours a day, so lets add batteries and enough panels to run for a full 24 hours:  80% efficient charging batteries = 2145*6/0.8 = 16,100 panels.  So about $2M in panels.  Batteries to carry say, 3 days of butts, will match that cost.  So now your at $4M.  Oh, but wait again... we only have enough panels to keep ourself running for 24 hours and now, after a butty day or three, we need to run AND charge those batteries.  Better double the array size (now $4M and 32,200 panels).  Plus battery chargers, inverters, etc.  Add at least another $2M.  

So, we have $6M in solar infrustructure to run 690 miner at something like $1300 each current pricing (sorry, Bitmain doesn't have 13.5's listed right now, which this math is based on); eg. ~$900K in miners.
At $0.10/kwh, and 1MW of required current, each hour cost $100.  So in about 7 years you will break even.  Except that your batteries will likely have been replaced once in that timeframe and likely be coming due for a second round, at $2M  a pop.  Good news, electronics are likely good for 10-15 years.

Oh, and since we now have 32,200 panels in our little setup, your going to need about 320,000 square feet of south facing roof.  That just a bit over 7 acres ON THE SOUTH SIDE.  So a 640,000 square foot warehouse of which you will be using around 2000 square feet.  Or perhaps you could find a 6000 square foot building and provide about 1% of your power for a mere $60,000 - but why bother.

Granted, you could grid tie, and eliminate the batteries and half the electronics, but then you need to deal with paying retail power rates and likely being credited wholesale power rates.   Not aware of many NEW grid tied solar contracts that allow for reversible meters like they use too.  They electric companies have wised up and paid off the right politicians to protect their turf.

jr. member
Activity: 119
Merit: 2
shouldn't be worried man. the hash power increase (doubling pool size in the last month) has proven pretty beneficial

with your 1.7PH you haven't solved a block yet. couldn't find your name in acclaim.

Go look for luggyman. I solved one in my first month here.
jr. member
Activity: 119
Merit: 2

Holy crap where did my math go wrong on the power, you're 100% correct 800 * 1370 = 1,096,000

Thank you for the info. Once i get passed the business plan ill reach out.

Also chuckled when you said "a warehouse with a roof big enough".   Basic solar math, presuming you want to run on 13.5TH S9, with a real world consumption of around 1450 watts:

* (1) typical panel, lets say a 130W one, will produce about 4 hours of power a day at 80% of its rated rate (since the rated rate is optimal during noon soon in the tropics):  130*0.8*4=416 watts per panel per day
* Each miner therefore requires about 3.5 panels
* 1 megawatts of power = (690) 1450W miners = 2,145 panels at about a square meter each, so call it 21,450 square feet of roof space over a data center that doesn't need to be over 2000 square feet in size, likely larger.

But wait...  Nobody is going it invest that type of money to run miners for 4 hours a day, so lets add batteries and enough panels to run for a full 24 hours:  80% efficient charging batteries = 2145*6/0.8 = 16,100 panels.  So about $2M in panels.  Batteries to carry say, 3 days of butts, will match that cost.  So now your at $4M.  Oh, but wait again... we only have enough panels to keep ourself running for 24 hours and now, after a butty day or three, we need to run AND charge those batteries.  Better double the array size (now $4M and 32,200 panels).  Plus battery chargers, inverters, etc.  Add at least another $2M.  

So, we have $6M in solar infrustructure to run 690 miner at something like $1300 each current pricing (sorry, Bitmain doesn't have 13.5's listed right now, which this math is based on); eg. ~$900K in miners.
At $0.10/kwh, and 1MW of required current, each hour cost $100.  So in about 7 years you will break even.  Except that your batteries will likely have been replaced once in that timeframe and likely be coming due for a second round, at $2M  a pop.  Good news, electronics are likely good for 10-15 years.

Oh, and since we now have 32,200 panels in our little setup, your going to need about 320,000 square feet of south facing roof.  That just a bit over 7 acres ON THE SOUTH SIDE.  So a 640,000 square foot warehouse of which you will be using around 2000 square feet.  Or perhaps you could find a 6000 square foot building and provide about 1% of your power for a mere $60,000 - but why bother.

Granted, you could grid tie, and eliminate the batteries and half the electronics, but then you need to deal with paying retail power rates and likely being credited wholesale power rates.   Not aware of many NEW grid tied solar contracts that allow for reversible meters like they use too.  They electric companies have wised up and paid off the right politicians to protect their turf.

First of all, Yes it's a lot of panels. I dont believe i said i was going to run the entire datacenter on solar. To get 50PH worth of electricity from solar would be pretty nuts.

Second, you're completely disregarding the value of srecs. Again, i haven't investigated yet but my hope is that there's a state with low enough electricity rates, or an authority willing to cut a deal due to a saturated market (which i know would mean the srecs are likely devalued.

I was taught how to size solar installations by the VP of sales at AEE solar. I worked for a solar monitoring company based in Germany and I still talk to a lot of the guys in the industry. I've installed monitoring equipment in 500kWh inverters, (which i was TOTALLY not licensed to touch). You didn't take into account any string sizing, central inverters, etc. I'd need far more roof space than 2000 SqFt. Also, a 2000 SqFt building is not nearly as big as you think it is.  They'd likely end up in a field behind the building, which makes wiring to the central inverters much easier. Honestly my best effort will be to make a deal with a government agency somewhere, most likely outside the US. I could get someone to not only help me install renewables, but give me a fantastic price on all of it too. Once you enter the solar industry they say you never leave. I escaped back to IT. Took the job with the German company as a time buyer before i found my next ERP consulting / project manager role.

Third: I wouldn't contract the solar. That's how you get ripped off in solar. The contractors go off and sell your srecs and give you a "lower" price on electricity.

Fourth: I haven't run numbers yet as you can clearly see when i figured clumsily did the math and came up with a MWh for 40 or 50 PH. Kano's absolutely right. Your power usage for 13 or 14 TH is off, by almost a kWh There's also a contingency of waiting for a new bitmain product or rolling the dice with halong. Theyr'e shipping now so i'm sure opinions will be popping up. Everyone know's jihans at least smart enough to wait until he has competition to release a miner that i guarantee is already in testing. See the Unknown miner that starts with 1AM2. Unless it's someone who has multiple data centers, that's most certainly a mix of bitmain using their own supply of S9s with a combo of their new unit (lets call it the S11), or even strictly S11's that they're refurb and sell to idiots like us.  

Fifth: I would 100% grid tie. I wouldn't put that kind of hash power to the whim of inverter/battery failure, or butty days. The solar and/or wind is merely to reduce power consumed by the grid. Get that number down to maybe 5-6 cents. I have to do the math.

Sixth: I don't know if you've been down south at all but there are SO many warehouses just itching to be rented. I worked for a window company and we moved operations from CT to SC when the company was bought. we moved into a half a million square foot facility and used 1/4 of it. We rented out the remaining portion of it, which covered the rent for the building and then some.

There's dozens of ways to cut costs. Miner manufacturers, like every other industry, offers deal for bulk. So does solar.

I haven't put the numbers together yet. That's tomorrow night's job and likely a few nights after that collecting data and running numbers. The first place i checked was with the pool i want to mine on. The second step is draw up the business plan, because as you must know, daily earnings would clearly be based on whether i acquire what i need to competently solo mine, or distribute luck to a pool. I'd far rather the security of the pool than go up against bitmain & co. I'm not going to have a friggen exahash. not even close. I'm actually fairly optimistic about the numbers without having put the plan together. And who said it has to be in the US either? Did you know that just a year ago Germany had to PAY france to take power from them because their grid was too hot due to crazy mass adoption of solar? Their feed-in tariff program worked very well.

Finally, Get bent man Cheesy

Edit: I cant believe i put the effort into all that for a troll in a forum where i'm asking opinions about bringing a lot of hash power here. Im ashamed

Edit 2: I see why now. you have 1.7PH here. afraid that your farm is cutting it too close as it is and taking shares and possibly not returning the blocks needed might put you in the red.
newbie
Activity: 26
Merit: 0

Obviously talk to Canaan also - they're A841 miners are better performance/less Watt per TH than Bitmain S9 also.

If one has the resources to make that talk productive, who would be the ideal person to reach out to @ Canaan?

Thanks Kano.
newbie
Activity: 26
Merit: 0
Which leads me to my question regarding firmware.

The four of them have two each, 2.47 and 2.52. The December unit shows 2.32.

Is there a preferred version that "works best" with our pool? Is it a good idea to update to latest version? Anything to avoid? Best practices for updating?

The widely accepted rule for S9s is "If they are not broke, don't fix them".  IF, AND ONLY IF, you are having problems, you might want to try upgrading the firmware.  For Auto-Freq S9s (just log in and see if the card speeds vary) the November 17 firmware is the latest.  Sometimes it helps, sometimes your better off with the April firmware.  You choice is more limited if you have static speed S9s (from over a year ago).

No firmware change will affect your performance on the pool, beyond possibly helping the miner perform better.  Maybe.

Right, I was writing hastily and didn't think about how silly that sounded (works best on a given pool). I just meant if one firmware works better than the other and whether I should upgrade them.. Was hoping that they may have made minor hashing gains through firmware improvements since 2.23.. Grin
legendary
Activity: 4634
Merit: 1851
Linux since 1997 RedHat 4
Oh also - I was about to post about a failover when I got sidetracked on the posts above Smiley

The LA half of the stratum.kano.is node did a double failover at 03:22 UTC (the 2nd time 4 minutes later)

So half the miners on stratum.kano.is will have failed over to their 2nd pool for about 10 minutes at 03:22
Hopefully you all have another *.kano.is node as the 2nd pool so you failed over to here also!

Mine On!

I'm in the east coast of the US.  Is this the best setup?

primary: stratum+tcp://nya.kano.is:3333
2nd stratum+tcp://stratum.kano.is:3333
Looks good Smiley
newbie
Activity: 103
Merit: 0
Oh also - I was about to post about a failover when I got sidetracked on the posts above Smiley

The LA half of the stratum.kano.is node did a double failover at 03:22 UTC (the 2nd time 4 minutes later)

So half the miners on stratum.kano.is will have failed over to their 2nd pool for about 10 minutes at 03:22
Hopefully you all have another *.kano.is node as the 2nd pool so you failed over to here also!

Mine On!

I'm in the east coast of the US.  Is this the best setup?

primary: stratum+tcp://nya.kano.is:3333
2nd stratum+tcp://stratum.kano.is:3333



copper member
Activity: 658
Merit: 101
Math doesn't care what you believe.

Holy crap where did my math go wrong on the power, you're 100% correct 800 * 1370 = 1,096,000

Thank you for the info. Once i get passed the business plan ill reach out.

Also chuckled when you said "a warehouse with a roof big enough".   Basic solar math, presuming you want to run on 13.5TH S9, with a real world consumption of around 1450 watts:

* (1) typical panel, lets say a 130W one, will produce about 4 hours of power a day at 80% of its rated rate (since the rated rate is optimal during noon soon in the tropics):  130*0.8*4=416 watts per panel per day
* Each miner therefore requires about 3.5 panels
* 1 megawatts of power = (690) 1450W miners = 2,145 panels at about a square meter each, so call it 21,450 square feet of roof space over a data center that doesn't need to be over 2000 square feet in size, likely larger.

But wait...  Nobody is going it invest that type of money to run miners for 4 hours a day, so lets add batteries and enough panels to run for a full 24 hours:  80% efficient charging batteries = 2145*6/0.8 = 16,100 panels.  So about $2M in panels.  Batteries to carry say, 3 days of clouds, will match that cost.  So now your at $4M.  Oh, but wait again... we only have enough panels to keep ourself running for 24 hours and now, after a cloudy day or three, we need to run AND charge those batteries.  Better double the array size (now $4M and 32,200 panels).  Plus battery chargers, inverters, etc.  Add at least another $2M.  

So, we have $6M in solar infrustructure to run 690 miner at something like $1300 each current pricing (sorry, Bitmain doesn't have 13.5's listed right now, which this math is based on); eg. ~$900K in miners.
At $0.10/kwh, and 1MW of required current, each hour cost $100.  So in about 7 years you will break even.  Except that your batteries will likely have been replaced once in that timeframe and likely be coming due for a second round, at $2M  a pop.  Good news, electronics are likely good for 10-15 years.

Oh, and since we now have 32,200 panels in our little setup, your going to need about 320,000 square feet of south facing roof.  That just a bit over 7 acres ON THE SOUTH SIDE.  So a 640,000 square foot warehouse of which you will be using around 2000 square feet.  Or perhaps you could find a 6000 square foot building and provide about 1% of your power for a mere $60,000 - but why bother.

Granted, you could grid tie, and eliminate the batteries and half the electronics, but then you need to deal with paying retail power rates and likely being credited wholesale power rates.   Not aware of many NEW grid tied solar contracts that allow for reversible meters like they use too.  They electric companies have wised up and paid off the right politicians to protect their turf.
legendary
Activity: 1736
Merit: 1032
Carl, aka Sonny :)
Oh also - I was about to post about a failover when I got sidetracked on the posts above Smiley

The LA half of the stratum.kano.is node did a double failover at 03:22 UTC (the 2nd time 4 minutes later)

So half the miners on stratum.kano.is will have failed over to their 2nd pool for about 10 minutes at 03:22
Hopefully you all have another *.kano.is node as the 2nd pool so you failed over to here also!

Mine On!

Thanks Kano!  Never even noticed Smiley
newbie
Activity: 85
Merit: 0
Oh also - I was about to post about a failover when I got sidetracked on the posts above Smiley

The LA half of the stratum.kano.is node did a double failover at 03:22 UTC (the 2nd time 4 minutes later)

So half the miners on stratum.kano.is will have failed over to their 2nd pool for about 10 minutes at 03:22
Hopefully you all have another *.kano.is node as the 2nd pool so you failed over to here also!

Mine On!

Thats wierd!  one of my miners failed over and one didn't...exactly as you predicted!
jr. member
Activity: 119
Merit: 2
I made a typo there by the way Smiley
Corrected above
Quote
Obviously talk to Canaan also - they're A841 miners are better performance/less Watt per TH than Bitmain S9 also.

iiiinteresting. i hear they're far more stable too.

More stable for sure...........

I mean i havent had a problem with a shitminer yet, but it's been since jan 5 in winter.

I have each one ducted into attic space and then i have high powered fans moving into the mining space and clearing the attic. it's only 17 (18 tomorrow)
legendary
Activity: 4634
Merit: 1851
Linux since 1997 RedHat 4
Oh also - I was about to post about a failover when I got sidetracked on the posts above Smiley

The LA half of the stratum.kano.is node did a double failover at 03:22 UTC (the 2nd time 4 minutes later)

So half the miners on stratum.kano.is will have failed over to their 2nd pool for about 10 minutes at 03:22
Hopefully you all have another *.kano.is node as the 2nd pool so you failed over to here also!

Mine On!
member
Activity: 97
Merit: 35
I made a typo there by the way Smiley
Corrected above
Quote
Obviously talk to Canaan also - they're A841 miners are better performance/less Watt per TH than Bitmain S9 also.

iiiinteresting. i hear they're far more stable too.

More stable for sure...........
jr. member
Activity: 119
Merit: 2
I made a typo there by the way Smiley
Corrected above
Quote
Obviously talk to Canaan also - they're A841 miners are better performance/less Watt per TH than Bitmain S9 also.

iiiinteresting. i hear they're far more stable too.
legendary
Activity: 4634
Merit: 1851
Linux since 1997 RedHat 4
I made a typo there by the way Smiley
Corrected above
Quote
Obviously talk to Canaan also - they're A841 miners are better performance/less Watt per TH than Bitmain S9 also.
jr. member
Activity: 119
Merit: 2
Also: personal question for Kano.

Do you believe that your insanely optimized pool software has even the slightest bit to do with how lucky we are?
Luck is luck - a measure of the past.

Unless you're a gambling addict - take that as fact.

Long term luck is expected to approach 100% ... as it does here also.

truth. i guess it might matter on Chinese pools where there's seconds between blocks, but it's likely never made a difference here.

Sure do love how fast data refreshes though Cheesy
jr. member
Activity: 119
Merit: 2
So I've got a question for you guys.

I'm currently drawing up a business plan for an absurd amount of miners. I might aim for a state in the US with super cheap electric (looking at you Washington), supplemented with either one VERY large wind turbine (1MWh, which i believe is about a million dollars, at least it was when i was working in solar in 2010)
1MW isn't a lot - it's about 800 miners = about 10PH

Imagine what sidewinder has at his data centre (yeah I've been there)

The pool can handle anything you can throw at it Smiley

My preference is 5% of the network, with a limit of 10% of the network.

5% means that on average there's 7.2 blocks a day - so even on a 720% diff block it's only one day.
720% diff blocks happen, on average, 1 in 1339.4 blocks, so at 7.2 a day, that's, on average, once every 186 days = about twice a year we'd have days without a block.

Quote
...
TL;DR There's a 30-40% chance I'll be commanding 50+PH pretty soon. Show of hands of people who would want that on Kano and who would not. I'm a strong believer in shared luck, and my initial math for pooled mining on this pool (february luck levels included) looks positive so far.
...
Well as you can see - sidewinder is that size ... Smiley
He'd be happy to have someone else on the pool that size, so he's not the only very large miner here.

Obviously talk to Canaan also - they're A841 miners are better performance/less power per Watt than Bitmain S9 also.

Holy crap where did my math go wrong on the power, you're 100% correct 800 * 1370 = 1,096,000

Thank you for the info. Once i get passed the business plan ill reach out.
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