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401  Bitcoin / Pools / Re: [850 TH] Slush's Pool (mining.bitcoin.cz); TX FEES + VarDiff on: February 26, 2014, 05:20:13 AM
I have around 1.3 THs and have been w/ Slush since I started mining in the summer of '13....the past few weeks have been extreme highs and lows..  If folks are jumping ship, where are they going?  What advantage is there to go somewhere else?  We are now back over 830Ths...we continue to have bad luck...thoughts?
Are people disenchanted with the slight fall of BTC value (demise of MtGox)?  overall network hash rate dropped from 28.3 PH to 25.8 PH/sec https://blockchain.info/charts/hash-rate
402  Bitcoin / Pools / Re: [850 TH] Slush's Pool (mining.bitcoin.cz); TX FEES + VarDiff on: February 25, 2014, 11:13:46 AM
dumb question,unless im reading it wrong....has the stats page not changed in about 48 hrs or so? I know we had 2 tough blocks in there but there was no next round and my confirmed has stayed solid with no change since then. Do we know if Slush is still counting shares? It shows on my worker page last share 0 minutes ago with  about the correct speeds (within 10mhash or so)
My shares are updated on the Stats page and the Account page.  On my list the previous 'record' was 16:46:13 (Slush block #20328 on 10/10/2013  1:15:44 AM), so this was clearly broken now.

Cheers
403  Bitcoin / Pools / Re: [850 TH] Slush's Pool (mining.bitcoin.cz); TX FEES + VarDiff on: February 24, 2014, 09:30:13 PM
The Luck goes up,
The Luck goes down,
And still my bitcoins spin round and round. Cool

 Smiley Poetry Smiley
404  Other / CPU/GPU Bitcoin mining hardware / Re: Help ! 10 Asic Cubes mining with minimum diff = 256. Effective ? on: February 24, 2014, 06:21:54 AM
Anybody here did test about this case ?

I have 10 Asic Cube running under proxy_mining, my pool = btcguild (same for all).

+ 06 of them are mining under my account/workers.
+ 02 of them running on 2nd Account/workers.
+ 02 rest running from 3rd account/workers.

After started few minutes the pool set Diff=256 for all cubes.

I'm wondering:
- For my 06 cubes's hashing = 180 - 235Gh/s ===> lower than 256.
- For 2nd account/worker. 02 cube hashing = 60 - 79Gh/s ===> lower than 256.
- 3rd Account is same with 2nd.

So... the question is: how this min Diff 256 does effect on each account/worker ? Is it make the shares faster upload to the pool or anything ?

Somebody tell me it's make the shares upload to pool faster and prevent "stale shares". Is it true?

Please help...


The mining difficulty is not identical to the hash rate.  On some pools (including BTCGuild) you can setup the difficulty for each worker (click on the Workers tab when you logon to BTCguild).  As each cube is supposed to have a hash rate of about 30-38 GH/sec, you can expect something close to 30 x number of cubes (depending on your over-clocking settings).  I don't have direct experience with the Cube so can't help you with specifics.

Cheers
405  Bitcoin / Pools / Re: [850 TH] Slush's Pool (mining.bitcoin.cz); TX FEES + VarDiff on: February 24, 2014, 05:16:38 AM
As far as I know there there was no network drop and nothing went down from what I can tell.

I have two separate connections coming that are bridged and then connected to the switch my miners connect to.  Even if i lost one incoming line the other one would have still carried the load.  I have been looking as far back as I can and didn't see anything off, no loss of connection no miners dropping, just seems like I got the shaft.

I did submit a ticket, but I do that for every problem and never hear anything  back.  There is always a slight variance to the number of shares my miner pulls compared to the pool since they can not seem to find a var diff they like they are always bouncing around, I just go with it since this is more of a hobby for me then anything, but it is just discouraging when I get hit with a problem like this.  

crashoveride54902 - What pool did you move to?  I am considering jumping ship, its just a tough choice since I have been here since 2011, and it has never given me this much trouble as it has in the past month.
You can try to divide your hashing power between a couple of pools (mining clients such as bfgminer and cgminer allow you to set up a 'load balance' among multiple pools).  The division doesn't have to be equal, you can apportion some fraction to another pool (or pools) to act as a 'monitor'.  Or you can divide your hashing resources equally between a few pools as a 'spread the risk' approach.  The 'monitoring' would not give you the 'full picture' though, as Slush's short-term 'anti-hopping' thing is unique  (some people claim that it can be exploited as well, as you'd get the full reward if you hopped back to Slush just a few minutes before the end of a block).

Cheers
406  Bitcoin / Pools / Re: [850 TH] Slush's Pool (mining.bitcoin.cz); TX FEES + VarDiff on: February 24, 2014, 02:39:30 AM
The pool is now back to 864813 Ghash/s

All the Hoppers Skippers and Jumpers are coming back now the luck figures have returned to "normal"
While that would bring about a small reduction in dburdett84's reward, it would not explain the figure he sees.

It might be useful to learn what the preceding and following rounds look like: what the ratio of his shares to the total are normally compared to this one.  A single line in isolation doesn't give us much to go on.

Here is more then just the one horribly wrong reward, again can anyone explain this to me?  is Slush just fucking with us or is his pool really turning to shit I have only ever mined with since like sept 2011 but, if i can digress back to Kindergarten for a bit "I am gonna take all my toys and go home". 

Just looking for an idea of what the crap happened?

Clearly your reward for Slush block 21728 is inconsistent with the other blocks.  How do you connect your miners to the internet?  Is it possible that your mining or connection was interrupted or corrupted a few minutes before the end of this block?  That might explain the reduction due to Slush's unique 'anit-hopping' algorithm. I checked my reward for this block and it was consistent with adjacent blocks.

Cheers
407  Bitcoin / Pools / Re: [850 TH] Slush's Pool (mining.bitcoin.cz); TX FEES + VarDiff on: February 23, 2014, 09:13:23 AM

Why is invalid rewards 287249?
It sometimes happens that 2 pools find a block 'almost at the same time', so the first one wins, and the other one becomes an 'orphan' or 'invalid'.  This happens sometimes, not very often.

Cheers
408  Bitcoin / Group buys / Re: DRILLBIT SYSTEM Miners - Thumbs (Temp NA), 8 Boards (0 left) on: February 23, 2014, 12:18:55 AM
after whole day mining at 53:2:950 doing its the same thing, asic timeout. sadly i have to restart my internet connection once a day and this causes this. there is asic timeouts at 48:1:850 and it only starts hashing at 48:1:750 (also hw is 60% so thats no good), so its power related. the psu is fine feeding it and its not usb. Huh

What? Why do you have to reset your connection?

due to the FUP of isp 24/7 dl is frowned apon so connected at 23:5/7

Jesus where do you live? North Korea?

On topic, do you have to reset the PSU to get it to mine at 950?
also tried that, didn't work. i unplugged power and usb. reconnected power followed  by usb, didn't help. it just started hashing now at 48:1:850 but running at like 300MH.  got it to run now at 53:2:950 wtf?! . enough kerbal for tonight, and it can hash so sleep it is.
Measure you PSU voltages at the Drillbit board Molex connector, may be your PS is dying?

Cheers
409  Bitcoin / Pools / Re: [850 TH] Slush's Pool (mining.bitcoin.cz); TX FEES + VarDiff on: February 22, 2014, 10:49:47 PM
The data is not stable pool? Reward understates again? Sad


My reward for the same block is consistent with other blocks.  I don't think that it is a pool issue.  You probably need to check things at your side, for example - how is your mining equipment connected to the internet?  If you use WiFi - is it possible that your connection suffers temporary interference or load due to other users?  As mentioned before, Slush uses a unique 'anti-pool hopping' algorithm, which quickly reduces your score (and reward) if you stop/reduce your hashing rate towards the end of a block.  If you cannot solve this problem you may want to explore using some other pool which is more tolerant of such hashing fluctuations.

Cheers
410  Bitcoin / Pools / Re: [850 TH] Slush's Pool (mining.bitcoin.cz); TX FEES + VarDiff on: February 22, 2014, 11:54:56 AM
Why am I the same speed so much less reward? Huh Huh

You are not alone with this problem for this particular block.  If you want you may raise a ticket on the Slush support page (see 'knowledge base' link on the left side of the Account Page, you'll need to register for this and then you'll be able to raise a new ticket).
Looks like there was some problem on Slush's side, which caused the reward of many people to drop to about 20-25% for this block.

When 1369... has problems with his stats, he's apparently already registered. :-)
Gourmet,
The support site has a separate login, which differs from the pool login.

1369...
If your reward was not fixed, it's likely that you had some issue towards the end of the last block.  This is because of Slush's special time-dependent reward system.

Cheers
411  Bitcoin / Pools / Re: [850 TH] Slush's Pool (mining.bitcoin.cz); TX FEES + VarDiff on: February 21, 2014, 12:13:50 AM
Just noticed a dip in my Estimated reward on the Account page, it dropped to something like 0.0056 of the calculated reward based on my hash rate (no problems at my end with either mining rigs or internet connectivity).  This looks like another 'hiccup' at the pool end, similar to what we had recently causing incorrect reward calculations that took a while to be 'readjusted'.

Cheers
412  Bitcoin / Pools / Re: [850 TH] Slush's Pool (mining.bitcoin.cz); TX FEES + VarDiff on: February 20, 2014, 11:44:48 PM
Looks like the Processing......... has caught up  Smiley

Yep.

Anyone else noticing very inconsistent rewards? I'm trying to tell if its my new miners or the pool.

From the past few blocks its varying as much as 20%

21711   2014-02-20 21:38:34   0:17:10   186595076   46065   0.00587115   286948   25.09469911    92 confirmations left
21710   2014-02-20 21:21:24   1:08:22   756999055   193510   0.00699399   286944   25.03910512    88 confirmations left
21709   2014-02-20 20:13:02   0:25:51   284891266   66230   0.00538017   286932   25.05930000    76 confirmations left
21708   2014-02-20 19:47:11   0:36:26   392076851   106930   0.00690352   286927   25.12374100    71 confirmations left
21707   2014-02-20 19:10:45   3:23:23   2264329898   565545   0.00667764   286923   25.05155156    67 confirmations left
21706   2014-02-20 15:47:22   2:18:10   1546733558   382580   0.00608317   286899   25.16281611    43 confirmations left
21705   2014-02-20 13:29:12   12:10:58   8158887290   2073480   0.00600212   286887   25.00857475    31 confirmations lef
Assuming that you had steady mining at your side (ruling out the peculiar time effects of Slush's unique exponential 'anti-hopping' algorithm), you are at the mercy of fluctuations in the total pool behavior.   Looking at your results, without doing any calculations, they seem fine. 
You can calculate your share as a proportion of the total shares (deducting the 2% pool fee)
For block 21711  25.09469911*46065/186595076*(1-0.02)=0.006071262  your actual reward was 0.00587115, which is quite close.  Note that the pool total share does not include the 'score' which has some time domain effects due to Slush's exponential thing.  You may repeat this calculation for your other blocks, but I don't think that you'll find anything alarming there either.

Cheers
413  Bitcoin / Pools / Re: [850 TH] Slush's Pool (mining.bitcoin.cz); TX FEES + VarDiff on: February 20, 2014, 09:34:01 PM

The web page of the hub that you are using does not specify the current of the power adapter.  This is probably your limiting factor.  You may just try the software overclocking and see if it works for you.  In most cases it is possible to replace just the power adapter with one of a higher capacity (I have done that with very cheap 10 port hubs that came with 2A power adapters which tended to die very quickly). The fan could be powered from a free USB port on your PC, or from a separate 'USB charger' adapter.

In regard to Slush reporting of hashing power, it is correct if you are hashing steadily from or before the start of a block, but as it is based on the 'shares so far' tends to be quite inaccurate if there are any changes in your hashing.  You may try another pool such as BTC for a short period of time just to check out your hashing 'on the air' if that concerns you.  Both cgminer and bfgminer provide good reporting of the hashing rates, so you can rely on that.

Cheers

I really don't think its my hardware. From the way things look in bfgminer all is normal and the antminer U1's have the one light on and the one green light flashing like they have from day one.

I'm starting to think it might be time to cut my losses with this pool and move on. Just to make sure if it's or isn't my hardware I'm going to mine a different pool and see wwhat the stats show for it.
Your hardware is probably fine, as your mining software reports the expected 'default' hash rates.  I meant that if you want to overclock the Antminer U1's, your power adapter maybe the limiting factor.

Cheers
414  Bitcoin / Group buys / Re: DRILLBIT SYSTEM Miners - Thumbs (Temp NA), 8 Boards (0 left) on: February 20, 2014, 01:34:23 PM
Hey Barntechs forums down Huh. Someone must be unhappy with us today Undecided.
The main site is up, only the forum has some error.  Could be a fault or maintenance.

Cheers
415  Bitcoin / Pools / Re: [850 TH] Slush's Pool (mining.bitcoin.cz); TX FEES + VarDiff on: February 20, 2014, 12:29:47 PM
All 5 of my antminers are running and I'm getting 1.51 to 1.6 ghash/s out of them however the site only shows a little over 2ghash/s.  Is it issues with the site?

how long have you let it run? if you start in the middle of a block you will see a less than expected hash rate.

They've been running for 6 days.

All 5 of my antminers are running and I'm getting 1.51 to 1.6 ghash/s out of them however the site only shows a little over 2ghash/s.  Is it issues with the site?

Time to get a little more hashing power??

check out titanminer.com good product, good support and good price

I'm not spending that much money on mining equipment.  Not when I can look for a place to buy BTC and order an antminer S1 for 1.45 coins. 

All 5 of my antminers are running and I'm getting 1.51 to 1.6 ghash/s out of them however the site only shows a little over 2ghash/s.  Is it issues with the site?

I rarely get the right rate on the site, 30% less some days. I'm hoping the ten block ave is right, but to be honest I'm about sick of all the issues lately on top of that..losing trust rapidly. 2/3 blocks a day isn't doing it for me at all either.

Just because something has been around a long time doesn't make it worth sticking with, we'd all be using pencils or typewriters based on that logic wouldn't we?

I can make more playing a game with no miner at all in Huntercoins than with an 150GH ASIC on Slush some days. That's nuts.

I've not been on this pool long however it was great when I started.  When the site works and updates like it should I think I do well on it.  I know issues with the site don't effect the pool. 

You're poor antminer performance is likely either misinterpreted information or something incorrect with your rig set up.  In spite of the recent system reporting problems the site is reporting accepted shares correctly presently for me. You should be able to cross check this value with your mining software for verification. With ants I recommend using bfgminer (latest build) as I have recently read the others may be experiencing issues with the units.

Im using bfgminer.  Unless one or more of my U1's is about to fail I don't know what could be incorrect with my setup.  Other than when one of them just stopped working and I swapped it around with another one on a different port all 5 have been working for about 2 weeks now.

All 5 of my antminers are running and I'm getting 1.51 to 1.6 ghash/s out of them however the site only shows a little over 2ghash/s.  Is it issues with the site?
Why run them at 1.6GH/sec, if you can so easily overclock to about 2 GH/sec (see https://bitcointalk.org/index.php?topic=390929.0

Cheers

I just haven't done it yet.  I wanted to make sure they were working before I did.  Also with the way my USB hub is I can't put a fan over one of them.  With the one not having a fan over it I'm not sure if I should OC it or not.

This is the hub I'm using:

http://www.microcenter.com/product/360454/7-Port_USB_20_Hub_with_Power_Adapter

I can't put a fan on the two at the tip so I have it at the last port before them with 4 miners in front and then one at the tip. 

Because of the hub being like this I was thinking about buying a new hub or this:

http://www.amazon.com/Thermaltake-Mobile-Fan-External-Cooling/dp/B00080G0BK/ref=sr_1_3?ie=UTF8&qid=1392894253&sr=8-3&keywords=usb+fan

However if I spend any more money in bitcoin I'm just going to buy the coins and us them to get an antminer S1.  Seems like doing it like that might be the cheapest rout instead of spending 1500-2200 on one.


The web page of the hub that you are using does not specify the current of the power adapter.  This is probably your limiting factor.  You may just try the software overclocking and see if it works for you.  In most cases it is possible to replace just the power adapter with one of a higher capacity (I have done that with very cheap 10 port hubs that came with 2A power adapters which tended to die very quickly). The fan could be powered from a free USB port on your PC, or from a separate 'USB charger' adapter.

In regard to Slush reporting of hashing power, it is correct if you are hashing steadily from or before the start of a block, but as it is based on the 'shares so far' tends to be quite inaccurate if there are any changes in your hashing.  You may try another pool such as BTC for a short period of time just to check out your hashing 'on the air' if that concerns you.  Both cgminer and bfgminer provide good reporting of the hashing rates, so you can rely on that.

Cheers
416  Bitcoin / Pools / Re: [850 TH] Slush's Pool (mining.bitcoin.cz); TX FEES + VarDiff on: February 20, 2014, 10:47:14 AM
All 5 of my antminers are running and I'm getting 1.51 to 1.6 ghash/s out of them however the site only shows a little over 2ghash/s.  Is it issues with the site?
Why run them at 1.6GH/sec, if you can so easily overclock to about 2 GH/sec (see https://bitcointalk.org/index.php?topic=390929.0

Cheers
417  Bitcoin / Pools / Re: [850 TH] Slush's Pool (mining.bitcoin.cz); TX FEES + VarDiff on: February 19, 2014, 11:54:00 AM
Not sure if anyone noticed, but as that last round was just confirmed it took away from my total... I believe there are two rounds missing because of whatever just happenned.
Just a minute ago, my account page 'confirmed reward' and 'total reward' were corrected and are consistent with the values in the stats page (for Slush blocks #21696 to #21702).
Which rounds are missing for you?

Cheers
418  Bitcoin / Pools / Re: [850 TH] Slush's Pool (mining.bitcoin.cz); TX FEES + VarDiff on: February 19, 2014, 10:38:41 AM
Maybe Slush could provide a list of current faults or support tickets.
Would help him by not getting flooded with dozens of the same fault reports.

How do we go about making such a request from him?

Raise a ticket with this proposal? 
419  Bitcoin / Pools / Re: [850 TH] Slush's Pool (mining.bitcoin.cz); TX FEES + VarDiff on: February 19, 2014, 10:26:03 AM
Ok, noob question for ya.

Do we each need to raise a ticket for the same problem??
If there are many of us with the same problem blocks then is a fix for one a fix for all??
Otherwise Slush support will get swamped with each of us reporting the same problems.
It is difficult to know if the priority of the issue is raised if there are multiple tickets, or if the support crew can manage multiple similar tickets in a flexible manner without getting swamped.
My low reward for the last block was just re-calculated, the outcome is much better than before (x3), but still slightly lower than my expectations (can live with that though...).

Cheers
420  Bitcoin / Pools / Re: [850 TH] Slush's Pool (mining.bitcoin.cz); TX FEES + VarDiff on: February 19, 2014, 09:48:47 AM
Looks like i'm having the same problem as yesterday. Rewards of confirmed blocks not showing up in 'Confirmed
reward' field'. Raised a ticket '#ELP-671-47696' for this:

Code:
Hello,

It looks like I'm having the same problem as stated in ticket CYY-741-60342 again. Block 286444, 286486, 286500 and 286546 are
confirmed but the rewards are not showing in the 'confirmed reward' field. The sum of rewards of confirmed blocks 286444, 286486,
286500 and 286546 and the unconfirmed (at time of writing) blocks 286630, 286641 and 286654 corresponds with the figure in the
field 'Unconfirmed rewards'.

I added a screen shot of the actual stats page and account page.

With kind regards,

Unlike others I don't have problems with a ticketing system. The ticket I raised yesterday was answered solved the same day. There
are quit a number help-desks where you far more longer for your problem to be solved  Wink

So for me thumbs up for slush  Grin
+1 on getting feedback on raised tickets, it is a good system, i just hope that they don't get 'swamped'...
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