the Anker doesn't work much beyond 1 erupter. Plug the Anker into the Dlink and it runs 8 erupters and a fan fine. that is my experience so far.
Plugging your Aker into a different hub stabilizes it? That sounds weird. Sam |
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The only gamble is if you use an unreliable pool and/or don't use failover. I'm sure the large hashers also use more than one pool just in case a pool does have problems.
Yeaaaaah... no. High variance is very dangerous, especially with the very short shelf-life of the ASICs being delivered. If a pool takes 3 weeks on average to find a block, they're unlucky and don't find anything for 5 or even 6 weeks, you've probably lost thousands of dollars. [/quote] OK, I guess I wouldn't consider mining at a pool that small as I wouldn't consider it viable. So if that's what one would call small what exactly are you guy's calling big? If a pool is only finding a block on average every three weeks it obviously has some other problems and it's hash rate probably isn't going up. There are plenty of other pools who's hash rate has increased in proportion, more or less, with BTCGuild. I just don't agree with the premise that miners are "forced" to mine at big pools and a big pool being BTCGuild. My income is often higher from a small pool and my small pool is Ozcoin. |
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Don't forget it works both ways.
You are just as likely to find MORE blocks than expected when you are in a smaller, high variance pool as you are to find fewer blocks.
yeah I know. But usually those miners who want to gamble just go to a gambling site. I mean, if you invest thousands in mining hardware, you've already taken a considerable risk, thinking that you can gauge your understanding of the mining hardware market to have a positive expectation in this game. Then if you are rational, you don't just go and stake your profit on a 0-expectation high-variance game. The only gamble is if you use an unreliable pool and/or don't use failover. I'm sure the large hashers also use more than one pool just in case a pool does have problems. |
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Variance evens out when the hashrate isn't increasing exponentially. This isnt the case right now with rapidly rising difficulty.
Hashrate is increasing across the board. So variance will even out over time. Unless you have managed to find a pool that is not increasing its hash rate? Most pools are increasing their rate so variance will even out. |
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The settings is: --icarus-options 115200:1:1 --icarus-timing 3.0=100.
These options are for CGMiner 3.1.1 Zadig installed the driver, connected via USB 2.0
The WinUSB driver that Zadig can install for you is for CGMiner 3.2.1 and higher. What version of CGMiner are you using? Are you sending diff1 work or do you have a high difficulty set via your pool? |
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This was always the case even before ASICs, or GPUs for that matter. Why would one choose a small pool, where there's a lot of variance, was always beyond me.
Variance evens out over time, even for small pools. It only hurts you when bounce between pools allot, like I tend to do  . Sam |
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Human beings have free will and can therefore choose a small or medium sized pool if they like.
NO ONE is FORCED to use a big pool, they just chose to use a big pool. A VERY different thing.
if you read my (fairly short) post you'll see that I don't speak about forcing someone to do something, but of the current increasing economic advantage of using bigger pools. You were quite clear. Your saying that we have no choice but to mine on the large pool because of the intolerable variance of smaller pools. So of course the only solution is to force hardware MFG's to cater to P2Pool which has issues with high hashrate hardware in the first place. Plus I have read where only the highest 5000 P2Pool hash rate users get any stake in the block in the first place. P2Pool may be really neat and nifty, but is still needs some work before hardware MFG's should cater to it. Now back to your regularly scheduled Rant.
Sam
you seem to be taking me for someone else. That was supposed to be just a joke. Sorry if you took it as offensive, that is not how it was meant. Sam |
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One period of difficulty, AKA 2016 blocks of the same difficulty. Or longer.
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CGMiner uses all mining devices by default, so you don't need to tell it to use your GPU.
I wouldn't waste time with a 5770 for bitcoin mining. And getting it working with Bitcoin will not help you with scrypt mining since they require completely different drivers and SDK.
Bitcoin mine with your Erupters in one CGMiner-nogpu.exe instance and scrypt mine with your GPU in another instance with cgminer.exe.
Post in the alt currency thread for more experienced help or post in the CGMiner thread to get help from the devs.
Good Luck,
Sam
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Are you Bitcoin mining? If so I would replace the 3 GPU's with 3 Block Erupters. You'll loose allot less money in the long run.
Sam
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Human beings have free will and can therefore choose a small or medium sized pool if they like.
NO ONE is FORCED to use a big pool, they just chose to use a big pool. A VERY different thing.
Now back to your regularly scheduled Rant.
Sam
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This "--usb ICA:1" I assume is some kind of system name assigned to the block erupter. Where do I find it to?
Thanks for your help!
It's under the Advanced USB Options in the readme. "--usb" is self explanatory "ICA" means Icarus device since the block erupters use that driver ":1" means to use one Icarus device, it doesn't matter which one. |
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say things keeps growing nicely and then the next reward split rolls around and half the miners decide to shut down their operations overnight because it's not profitable. It might go from 10 minutes to find a new block to 2 hours or more. Then it could take 168 days to reach 2016 blocks and have the difficulty readjust.
The same, or similar thing was a concern the last reward split. We've seen what has happened since then. I would expect similar in the future. The sky hasn't fallen yet. Sam |
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Don't know why, but this question and answer seems a bit redundant. There should be a limit to how many times a week someone asks it. |
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I've purchased both the Anker 10 port and the newer model, the Anker 10 port broke after a month and is currently being returned to Anker for a refund. The new 9 port is working flawlessly so far.
For other 10 ports I also have 1 10 port Orico and 1 10 port Aitech, but these are not compatible w/ the pi
I ordered the 9 port as well and am waiting on them. Would the Aitech be compatible w/Win7 PC? I'm not familiar with the Pi. Thanks for the feedback, Sam |
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So this isent a redemption just any previous customer gets them for. 15? And they are in stock ready to ship now?
yep, I can ship them as soon as payment is received. Blast Canary's fast shipping... My USB Erupters got here before my new USB hub (Amazon Prime even)!!! Which Hubs did you order? They didn't have the Anker 10 port hubs anymore. |
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hey guys. Currently running CGminer 3.1.1 I can only get 13 erupters going.
What OS are you using? I'm running Win7 64 bit with 23 Erupters, so far, with CGMiner 3.4.2. I tried WinXP, I wanted to setup backup PC but had trouble and couldn't get more than 13 running either. So I setup a Win7 32 bit laptop as my backup and it works fine too. |
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Buy a Block Erupter USB and retire the 5770 from mining.
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Is there any reason why I can't run eu-stratum and stratum in Load Balanced mode in BFGMiner? I'm thinking it might help if the eu-stratum server is a bit wobbly? All the work ends up in the same place, right?  I'm putting about 4GH/s in at the moment, shortly to increase to about 30GH/s. I've never been happy with the balance nor load balance. So I run multiple instances of my miner with equal number of Erupters to multiple pools. That way I know I'm getting equal hash rate to the places I want. There is no real point, that I know of, to load balance between servers of the same pool. |
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i'm running BFGMiner, 4 USB miners on a USB hub plugged into the PC and 4 miners in the DLINK hub - now all 8 show up and occasinaloly some error BUT not all of them are actually submitting shares
Make sure your USB Hub power supplies can supply the current needed. Each Erupter needs .5 Amp. So you have two USB Hubs with 4 Erupters each so your Power Supplies need to be rated HIGHER than 2 Amps each. |
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