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61  Bitcoin / Mining / Re: Bitcon Generation too hard on: June 19, 2013, 11:22:16 PM
You realize you're replying to comments from 2011 in this thread right?
62  Bitcoin / Pools / Re: [12 TH/s] BitMinter.com [ASIC support: var diff, Stratum, GBT, rollntime] on: June 19, 2013, 11:08:28 PM
One other question about some odd behavior.  I don't know if this is tied to the DDoS attacks but I'll ask anyway.  In my worker list page previously it would show all my workers, with a rough hash rate.  These days some workers seem to "go offline" on the worker page for several minutes at a time (sometimes 10+ minutes) reporting 0 work, even though I'm looking at the machine hashing away in front of me the whole time reporting shares.   I know the hash rate on the site is just an approximation and the numbers reported locally in the bitminter client or cgminer is the accurate figure, but before all my machines would at least show on the site reporting something.  These days I get a lot of false positives that a worker has gone offline (checking it over several minutes on the site, it still reports zero) but when I walk over to the machine it's sitting there happily crunching away.  Any ideas what's causing this?  I can assume the shares are still being accepted/counted by bit minter.  I guess this is something that would be mitigated by implementing the long awaited "idle worker" notification.
63  Bitcoin / Pools / Re: [12 TH/s] BitMinter.com [ASIC support: var diff, Stratum, GBT, rollntime] on: June 19, 2013, 10:32:00 PM
Any way to set the default worker display back to 10?  Trying to sort which machine is/isn't running is a pain now clicking around pages...  All my machines are up and down throughout the day and tracking down which one is toast is a pain with multiple pages.  I can't imaging too many users are over 10 workers. It wasn't taking up too much space before.  Just a request.... 8-)
64  Bitcoin / Pools / Re: [12 TH/s] BitMinter.com [ASIC support: var diff, Stratum, GBT, rollntime] on: June 19, 2013, 09:20:40 PM
Ok, that clears up some of the mystery here.  What about the workers that are no longer listed on my workers page?  Do I need to re-enter this information?  Also for the one machine that I use with cgminer do I need to change any settings? (It's currently on a backup pool but I would like to return to bitminter with it as it's my most powerful box)

The rest of the mystery: There's been a few small changes on the website. On the worker page there are now pagination buttons at the bottom. You'll need to use those to see the rest of your workers.

Also there's a new iOS (iPhone, iPad, etc.) app for BitMinter called BTC Miner, you'll find that in the "tools" -> "third party apps" menu.


Ah, I see.  Any way to change the number of workers displayed to a user pref?  I have 10 machines total and like to be able to see them all at once...  Besides that everything seem to be working fine.

What can you tell us about the DDoS and what changes you have made to mitigate the effects?  Don't give away any secrets here, but I'm interested.
65  Bitcoin / Pools / Re: [12 TH/s] BitMinter.com [ASIC support: var diff, Stratum, GBT, rollntime] on: June 19, 2013, 07:53:21 PM
I set TTL (time-to-live) on the DNS entry to just 10 minutes. So after I switched mint.bitminter.com over to point at the new us1.bitminter.com workers should have followed fairly quickly.

But still there are 600 getwork/gbt miners and 2 stratum miners at the old server. These don't currently show up with a hashrate at the website. But if you wait 1 minute and reload the page you should see their accepted proofs of work have gone up. Live hashrates are only gathered from one server. Currently anti DDoS and stable mining has priority over fixing this.

BitMinter client specifically sets the java virtual machine to not cache DNS lookups for long. I suspect there are some (broken) DNS servers out there that ignore TTL settings. Maybe they'll cache for 24 hours no matter what TTL is.


Ok, that clears up some of the mystery here.  What about the workers that are no longer listed on my workers page?  Do I need to re-enter this information?  Also for the one machine that I use with cgminer do I need to change any settings? (It's currently on a backup pool but I would like to return to bitminter with it as it's my most powerful box)
66  Bitcoin / Pools / Re: [12 TH/s] BitMinter.com [ASIC support: var diff, Stratum, GBT, rollntime] on: June 19, 2013, 06:49:01 PM
Dr, can you clarify a little about what's going on with your server switch you mentioned earlier?  
At this time I'm seeing the following:

I have:
5 Machines listed on my worker list page, I used to have 10.
Each machine currently listed in the workers list page is a Java client.
2 of the 5 machines in my worker list are showing as active, one machine (the one I'm typing on actually) is also active,  but hasn't shown as active on the website since I started checking about 40 min ago.  The other 2 listed machines are shut down at the moment, but do show up as inactive on my workers page.
I'm missing 5 other workers from my list. Of these missing 5, 3 are currently active. (and looking at them here, they are hashing)
Of the missing machines, 2 are Java clients, 1 is a cgminer machine.  The remaining 2 missing machines are not active at this time (machines are powered down).   [/edit I have moved my cgminer box to a backup pool since posting this]

The worker machine total hash, and the main stats page total hash don't add even nearly close. (showing 1500 on main stats, 190 on worker)

I don't think anything nefarious is going on, but just looking for some clarity here.  I can understand this whole DDoS thing is annoying as fuck for you, and everyone else.

In a nutshell, every machine locally is hashing when I look at them, but only some are showing up on the site, and some others aren't showing up.  And my hash numbers on the site are all screwy.

Also should add each Java client is running 1.4 of your software, and each machine has the latest Java update that was pushed out a few days ago. (Java 7 update 25?)

/edit  Added more info and clarified.
67  Bitcoin / Pools / Re: [12 TH/s] BitMinter.com [ASIC support: var diff, Stratum, GBT, rollntime] on: June 19, 2013, 05:03:54 PM
[19.06.13 18:32:44] Connecting to: http://mint.bitminter.com:8332/                                                     
[19.06.13 18:32:44] Using Apple OpenCL 1.2 (Aug 24 2012 00:53:09)                                                       
[19.06.13 18:32:46] Added ATI Radeon HD 5770 (#1) (10 CU, local work size of 128)                                       
[19.06.13 18:33:02] ERROR: Cannot connect to mint.bitminter.com: Read timed out                                         
[19.06.13 18:33:17] ERROR: Cannot connect to mint.bitminter.com: Read timed out                                         
[19.06.13 18:33:33] ERROR: Cannot connect to mint.bitminter.com: Read timed out   

I think i might cry soon.
Or better, find the attackers and make them cry !!


You can bump the 5770 up to 256 work size. (or at least 192, I can't quite recall)
68  Bitcoin / Mining / Re: How to use low performance mining devices on: June 18, 2013, 10:28:10 PM
What is the best way for me to mine? Which software should I use?

If you want just plain simple no hassle go with Bitminter although they've been having some DDoS attacks the last few days.   If you are a little more technically minded, check out CGminer.  Just be aware it requires some tinkering skills.  For absolute beginners though Bitminter is the way to go.  It's where I started before learning more about how all this works.  I've since graduated to CGminer on my machines.
69  Bitcoin / Mining / Re: How to use low performance mining devices on: June 18, 2013, 09:02:21 PM
Yea, as a proof of concept it's a neat idea.  Even if you collected every phone and tablet you could get your hands on you are still looking at a slow mining setup combined. BUT, and BUT is the key here, 1,000,000 phones crunching away is a huge boost, even if it's not all directed at one person.  A million phones also is only a tiny drop in the bucket of the possible phones available out there to mine....  It's feasible I guess.  While it would strengthen the network, no one would really win if this happened.  Difficulty would just go up even more hurting us normal miners.

I have some old iPhones crunching litecoin using "MobileMiner".  In 2 1/2 months I've made.......1 LTC total.  They sit on my desk at work crunching away out of sight, out of mind.
70  Bitcoin / Pools / Re: [12 TH/s] BitMinter.com [ASIC support: var diff, Stratum, GBT, rollntime] on: June 18, 2013, 04:53:21 AM
I have a noob question; I have got BFGminer running on the stratum server. I am a windows user, not a command line person in any way, I notice there is zero hash rate on website counter, ie under another attack. But my command line window show My workers are sending/receiving work packets. Am I mining? Do you have an optimum setting suggestion for BFGminer setup?

I will be helping Bitminters hashrate as soon as I get my ASCI rigs. We must think about keeping the bitcoin community strong and diversified. there is a piece of the mining pie for everyone; we can't let one pool/group have monopoly control of mining.

90% of the time, if your miner is submitting shares, they are being counted even if the website front end may be down.  I say 90 because there may be rare circumstances when that's not the case but Dr. will have to chime in on that.
71  Bitcoin / Mining software (miners) / Re: up down...up down... on: June 18, 2013, 01:35:21 AM
Hey Doc! What gives? I've been hashing at ~ 10 gig and hardly made a dime today. I've even run out of work and sat idle several times. Are you under attack? Upgrading the servers? Etc? I gotta earn...

There has been a large DDoS attack on Bitminter going on since 6-16-13.  Started a few hours before the difficulty change and has continued into today.  Mining has been sporadic because of this. 
72  Bitcoin / Pools / Re: [12 TH/s] BitMinter.com [ASIC support: var diff, Stratum, GBT, rollntime] on: June 17, 2013, 08:44:35 PM
It basically translates to:  Bigger pool with higher hash rate = more payouts that are smaller.   Smaller pool with lower hash rate = less payouts but the payouts are larger.  In the end it's more or less equal.  Some people just like to see money pile up a bit at a time vs a large payout every so often.
73  Bitcoin / Mining software (miners) / Re: CGMINER ASIC FPGA GPU overc monit fanspd RPC linux/win/osx/mip/r-pi 3.2.2 on: June 16, 2013, 07:35:47 PM
Did I miss a mandatory upgrade? I am still using 2.11.4 and it is doing fine. I understood I need to upgrade for FPGA's or ASICs, but I am only GPU mining.

As I've been reading this thread over the last few months, it seems the 3x releases are geared more towards ASIC users, with little changes for GPU miners.  If things are stable, I'd stick with what you got.
74  Bitcoin / Mining / Re: Est 19.5M difficulty on: June 14, 2013, 01:45:17 AM
It'll take awhile.  I was half tempted to invest $13k ordering a batch.. but I did the math.

You didn't do enough math.  You need to bank on other people not doing it either.  Buy a whole batch and sell for cash!  Yippee! 
You could probably mine on them also while they are in inventory adding to your reserve!
The money isn't in mining anymore, the new money is selling shovels to suckers.
75  Bitcoin / Pools / Re: [12 TH/s] BitMinter.com [ASIC support: var diff, Stratum, GBT, rollntime] on: June 14, 2013, 01:43:01 AM
haha
NMC lost 100% in value in less than a month
from 0.009-0.01 to 0.004-0.005
and with ASICs mining them for free and dumping asap
it is going to drop in value even more.

Yea as soon as I get 2 I sell them ASAP.
76  Bitcoin / Mining / Re: Question for GPU miners on: June 10, 2013, 01:47:53 AM
This could be done by changing bitcoin clients to allow two proof of work algorithms :-

 sha256 so that all the existing blocks are still valid and those with ASIC's can continue to mine using low power devices.

 scrypt so that those with GPU's i.e. the vast majority can continue mining for blocks using a different difficulty.

The new client will accept either, so it's the miner's choice which to use. This approach would allow those who've invested heavily in ASIC's to realise their investment but it prevents them owning all mining which will happen very soon otherwise. Perhaps it would also encourage the ASIC companies to actually ship their devices to their customers rather than hoarding them for their own benefit.


You think thousands and thousands of GPU's dropping off SHA and switching to Scrypt won't massively increase the difficulty rate of Scrypt coins?
77  Bitcoin / Pools / Re: [12 TH/s] BitMinter.com [ASIC support: var diff, Stratum, GBT, rollntime] on: June 08, 2013, 05:14:50 PM
My hashrate seems to jump up and down on the stats page. I am basing at a constant 29.5 right now but it swings between 22 and 32 on the stats page.  Is there any way to soften the average

Live stats (full size) -> Latest Shifts (bottom right) - then take the last ten shifts and average them - that gives you a good estimate of your average hash rate over the last ten hours.

Will

Just realized you can drag around the boxes in the 'Live Stats - Big' window.....
78  Bitcoin / Pools / Re: [12 TH/s] BitMinter.com [ASIC support: var diff, Stratum, GBT, rollntime] on: June 08, 2013, 12:27:58 AM
Man, today is just a terribad day at the Bitmint Sad Someone please kill this current round already...

It's been a rough few days... True.   Oddly even my LTC miner pools are seeing rough luck.  2 separate LTC pools are doing very poorly and now Bitminter....
79  Economy / Computer hardware / Re: FS: Powered PCI-E Risers and Dual PSU Adapters - HashRateStore on: June 05, 2013, 06:42:04 PM
Ordered 2  1x-16x powered risers in the eve on May 30th.  Got them today (June 5th).  Paid with BTC, and didn't get a confirmation email so I sent off a note and they quickly got back to me saying everything was all set and they would ship out in the AM.  Haven't hooked up the cables yet but they look nice in the static bags.

/edit  They shipped from outside Vancouver, Canada and delivered to Utah, USA.
/edit2 Hooked up and hashing fine for 5 days straight.
80  Bitcoin / Pools / Re: [12 TH/s] BitMinter.com [ASIC support: var diff, Stratum, GBT, rollntime] on: June 03, 2013, 07:06:29 PM
Well the day has finally arrived my ASICS from Butterfly labs are preparing to ship. When they arrive will the latest updatable client work or do i need to use the beta client?

Glad to hear they finally got in gear Smiley
Maybe in first gear.

So far they are only shipping Jalapenos.

With davidspitzer's order they are now starting to fulfill the July 2012 orders for them.

Still yet to ship anything larger than a Jalapeno.

Ship the small ones, then the biggies.  By the time the biggies ship (and dif goes up exponentially) the biggies put out the same profits as a 7950 today, and the small ones become even less valuable.  (And all us GPU users sell cards en mass or switch to LTC).
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