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Possibly, you can verify by testing with a small test file, last two numbers should be identical for optimized plots
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Which miner are you using?
My FX can't get through *ONE* 8TB that fast - quite - while doing little or nothing else on the CPU - even using JMiner.
Blago it gets less than HALF the read rate.
unoptimized plots? |
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I just sold all 7 (all 4 Gb models) of my 470/480/570/580 for right over $400 each on average. Managed to nab 7 GTX 1070 fo $399.99 each (or less) in the past few days.
Feels damn good. Free upgrades all around.
Great prices, we don't have 1070 for these good prices here  sold my 3 1070s for 350€ (~390$) each, here the competition is hard, you get them new for 395€  |
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i'm still sitting here with 7970's and 290(x)'s  Hey man right now you may be safer then alot of people haha, your prob ROI on those cards and can always just (keep?) mining equihash or XMR ;p very unknown times for the bigger AMD miners tho yes indeed, 7970s mine mostly equihash, 7870s cryptonight, and the 290(x) eth, though the last might change soon due to the difficulty rise, we will see cards have roi'd a long time ago Isn't equihash more profitable for your 7870? You should get close to 200h/s with them. the two i own don't, they give only about 160-170 but yes, recently they mined equihash a lot as well |
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i'm still sitting here with 7970's and 290(x)'s Hey man right now you may be safer then alot of people haha, your prob ROI on those cards and can always just (keep?) mining equihash or XMR ;p very unknown times for the bigger AMD miners tho yes indeed, 7970s mine mostly equihash, 7870s cryptonight, and the 290(x) eth, though the last might change soon due to the difficulty rise, we will see cards have roi'd a long time ago |
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i'm still sitting here with 7970's and 290(x)'s |
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the point is that it also happens if you don't exchange, and this is exclusive to zpool. I have not seen another pool stealing 20%, yet.
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Ok, So, I have finished optimizing the first 8 TB drive, and it now reads at a speed of roughly 130 MB/s, which is about 10x better than it was, which is great. I think I can get that up to over 200 with a little newer graphics card than the 280x, but we will see. (Actually I really hope that i can, since I was planning on speeds being in the 250 Mb/s range).
i'd love to hear your results (total/per drive read speeds) with a GPU and multiple hdd (like 8 or 16) |
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Has anyone else mined with a network attached device?
i used two smr disks in a server exported via iscsi once, worked great be sure to check if 'sync' flag is enabled anywhere and disable it if set |
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can you explain how i install on baikal miner cube ?
this application is intended to run on a separate container/server, but it will run fine on any system where nodejs is installed i dont own any baikal miner anymore, if the cubes still use the same web-ui and api it should still work with them |
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all the exchange stuff doesn't really matter, you lose 20% as well if you don't exchange at all
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i dont really believe this is possible for such a price and its very likely fake (ie it will show 2TB but if you actually want to use 2tb it will throw errors at some point)
that being said i have ordered one and im intending to write the full 2tb. As the seller accepts paypal i dont worry about wasted 17€.
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That's not a valid comparison either. Luck can easily cause a large variance, even between different blocks
in the same pool.
You just need to follow a block until it is credited to your balance, verify the credited share percentage matches
your hash rate, the amount of coin matches the percentage of a block, the BTC value matches the exchange rate, etc,
then magically see your balance is credited 20% less than the last value prior to exchange.
If you get paid in the mined coin it's even clearer as it eliminates any exchange fluctuation.
Those defending zpool should just do their own test. I've done my own tests (not recently) and analyzed the data
from two other users who posted detailed information of their tests. Simply comparing with other pools,
and especially Nicehash which doesn't mine coins directly, means nothing.
this is a valid point, i assumed a negligible variance as i assumed the user has a) large hashrate and/or b) uses an algo and coin which finds blocks on both pools every x minutes and thus reduces variance over a larger timeframe significantly your approach is by far easier though and doesnt require another pool |
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The stats are correct but the return is almost always lower on zpool than on the other pools that doesn't autoexchange.
ex:
skein
zpool.ca 24hour payout per ghash: 0.00449BTC
yiimp.ccminer.org payout per ghash: 0.0062BTC
+38% if you mine on yiimp and exchange your coins yourself.
But zpool is more profitable than the nicehashminer..
so you "say" its stealing 20% profit.. and still it outperforming nicehashminer must be doing something right... you cant compare a marketplace with a pool what you can compare: mine coin X on zpool and another pool with same hashrates, dont exchange to anything. zpool payout coin amount for a given timeframe will be ~20% less than from other pool |
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I am just trying to clear up some things im still confused on.. i have been mining going on 2 weeks now.. since switching to zpool.ca the profits on any calculator is about 20-22% more than my actual earning reported on zpool.ca wallet... is this really a thing or is every calculator out there wrong? because i was under the impression the pool fee was only 2%
yes, pool is stealing ~20% see old ANN thread, last 10-20 pages or so |
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So to run the optimizer, it doesn't just write over the current file? I need a new space to save it to?
The optimization process isnt inplace so you will need a second 8tb disk for that.
Gotcha,
How long did it take you to write 8 TB with your CPU?
i was generating nonces faster than the disks write speed so i plotted two in parallel (probably could have done more), took about 10-12 days |
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i can answer number 2: your plots are not optimized (and afaik no gpu plotter can do it), so you are either limited to using the cpu plotter to generate optimized plots (slow on smr, and slow because of cpu instead of gpu) or write unoptimized plots with gpu plotter and then optimize them. The optimization process isnt inplace so you will need a second 8tb disk for that.
my 8tb disk i tested runs with a constant 45mb/s, i created optimized plots with cpu
you can easily identify optimized plots by the last two numbers of the plot file, they have to be the same, eg: 1339169714501365211_500000001_4100096_4100096
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have you tried a high core count cpu and as many drives as the core count mining in parallel? should equal to very high overall read rates as each drive will read at their max speed im thinking about ryzen or even threadripper for a 16/32 disk setup In one of my rig I'm using an high end i7 CPU the reading speed in quit fast, currently I have attached to that rig something like 65 HDDs, and I'm using the GPU to mine ETC at the same time. The limitations are due to the PSU and the MOBO is it running all in parallel or some sequential? i cant really image it is reading at 65 * 80MB/s = 5200MB/s, does it? as time is a factor, how long does it take till all data is scanned for a single round? im targetting <45sec |
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have you tried a high core count cpu and as many drives as the core count mining in parallel? should equal to very high overall read rates as each drive will read at their max speed im thinking about ryzen or even threadripper for a 16/32 disk setup |
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Is there any sensible roi in hdd mining?
roi is 6-7 months, very long time, because 1 6TB can only give you 0.045 btc a month and cost $200 i think, but the 4TB give better ratio, should do 0.03 a month and cost only $100, roi 2.5 months, they pumped burst recently, which is a good thing for roi When you do the ROI, do you include the electricity cost? Electric cost on a hard drive is trivial. I can't think of one I've seen that ate 10 watts for a while, and can't remember the last one I saw that ate 15. I'm sure the SMR drives plot slowly - but you only have to plot ONCE, and you don't have to plot the entire drive as a single plot file. I'll speak with more authority about that in a couple weeks, I've got an Archive on order but it doesn't show up 'till next week - probably going to put it in a new system build, but I might put it in one of my older existing systems instead. I do agree with "go for the lowest cost per TB" though - and Europe prices seem to be real spotty compared to US pricing, probably due to less competiton and higher pricing in part due to the VAT that many (most or all?) EU countries seem to love. Yes indeed only once, but i disagree on the multiple plots You certainly can create multiple plots on one drive, but then you require more head moves as the data isnt continuous but split up Optimized plots have all data for a given scoop stored in a continuous order like this: (left unoptimized, right optimized)  Now when you have multiple plots your drive will have to move heads <Plot count> more, which will cost you some precious time in rounds Regarding gpu asissted plotting: i wasnt able to plot a 8tb plot with the gpu plotter because it would have required some insane amount of ram (system ram that is), might work with virtual swap/ram stuff needed for claymore as well, not sure (as well for performance) |
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