pointed a miner at that just now. no joy. all three of my rigs now point to a different one of slushs addys with no connection

cgminer is configured with 4 pools (slush primary, others as failovers) and is mining elsewhere at the moment but slush is my favorite. sigh. ah well at least cgminer will keep trying slush.

sooner or later these ddos idiots will tire and we can all relax again.

so where should I point my miners?

cant connect with: api3.bitcoin.cz:8332, api.bitcoin.cz:8331, or api.bitcoin.cz:8332

all fail to connect, and cgminer keeps trying them as its the primary pool with no luck.

I may be on another IP than before the attack; Im on 3G wireless internet (USB modem). it changes IPs every 24 hours I believe. could that be the problem?

Ive restarted the miners many times in the last few hours to no avail.

I cant get to your website either.

just have your miners setup with multiple backup pools configured as failovers. sooner or later your miners will automatically switch over to a pool thats running.

cool!

and thanks for costing me an hours sleep. thats what I get for logging in in the middle of the night, seeing this post, and then installing namecoind (without having a clue as to what I was doing mind you, never paid attention to namecoin till now) on my ubuntu box.

heh.

yup. plus pc power and cooling and most antecs. of course seasonic makes the guts of most of those units anyway heh.

what PSU on each?

1350 watts from a  single 120 outlet is a heavy load (assuming 120v USA 15 amp circuit) you may have voltage drop which pushes the PSU a bit harder (ie it generates slightly more heat).

needless to say a burning electronic smell is bad.

ahh gotcha. wasnt sure if you had some misconception as to what a mining rig needed for storage.

me, Im a SSD for OS/productivity, medium speed spinner for games, huge capacity slow spinner for media  kinda guy. that would be sweet for a games drive.

nice find.

Ill leave em all parked at :8331 then. running cgminer with failover to another pool if something happens so no worries here.

Ive wondered where to get replacement GPU fans too, but the couple times Ive killed them I just go with straight aftermarket cooling. your way is way cheaper though. gotta remember that link.

but one question.. why the thermal glue? why not standard thermal paste. I use artic cooling MX2 with better than stock results. done like 6 GPU cards with it so far.

?

that drive is the exact opposite of the drive a miner would want.. if he even wanted a hard drive at all.

cheap low power green drives or USB flash drives. those are the drives for miners.

when will the :8331 backend be shutdown? should I switch all mine back to :8332 in the next couple days?

about $230.

$130 for a 5830, and about $100 extra on the 2 cards that I was replacing anyway but I would of bought lesser versions of. IE got 6770 instead of a 6670 for the HTPC (replacing a 3850), and a 6870 instead of a 6850 (replacing a 4850) for the daily use rig.

helps that I was already set up pretty good for just dropping in cards: PC Power and Cooling and Antec PSUs, decent cases with good cooling etc. just add cards, software and go.

as a long time folding@home addict (we run 100% GPU load 24/7 too), I can assure you prolonged running at 100% fan is NOT good for your card. some odd non ref coolers are OK with it (ones with multiple lower speed 92's say) but with the bulk of the cards out there its a good way to kill the fan in 6 months or so. it may still turn at reduced RPM (and/or increased noise) but the bearings will be pretty much be shot.

60-70% is probably the best compromise speed for cooling vs long life. I have gotten 3+ years of 24/7 use from 5 or 6 video cards at 65-70% fan.

make me laugh too.

but Im more interested in this:


exactly what type are those?  how are they hooked up? and two of them? one is not enough?

I have thought of having a whole house gas discharge surge protector installed at the breaker box. cheaper than replacing separate MOV based strips as they age and become less effective.

todays stats at the beta pool with cgminer 2.0.4 and the 6870, about 9 hours of mining:


looks pretty good to me..

I think youre buying junk again.

seasonic, pc power and cooling, corsair, antec, silverstone. thats the list. any of their 650 units will beat those junk 750 units. the junk units LIE about wattage, pure and simple. they rate at lower ambient temps, thats how they get "750" watts. real world temps, its far less. the reputable units test at real conditions.

yup. anything in the house that kicks in about that time?

you set the clocks in cgminer manually via command line switches? or a overclock tool. uninstall any overclock utilities, run ccleaners registry cleaner and reinstall.

its faintly possible the 5830 drew so much additional current that the mobo 4/8 pin cpu (not PEG) connector or mobo traces are slightly damaged from heat or over current from the combined cards. unplug/reseat the card, 24pin and 4/8 pin CPU connector, as well as any PEG adapters you have.

exactly. or even near hits, such as on a line.  anyway, interesting poll results.

I do wish I had the reliable power and luck some of the responders have.

now, i live in the sticks on 14 acres of woods. personally I have power go out several times a year because of thunderstorms here. sometimes because of trees getting hit and messing up lines, other times the transformer fuses get blown or the transformers themselves are damaged.

within a thousand feet of my house I count 5 trees that were hit. 2 were blown in two, 3 just have that strip of bark blown off. and thats just what I can see at the tree line at the edge of the property. further into the woods, who knows. when the hits happen my outlets actually make sizzling noises.

as for UPS's, for dedicated miners I agree they are pointless. miners draw too much power for cheap ones to be used, and who cares about the file system. just reimage the drives if the file system gets whacked. my UPS's are on rigs that are used for other things as well; my dedicated miner just rides on a suppressor.

"the internet does not go down." err, yeah. its designed to keep going with parts down. thats by design.

"stores do not close." of course not. customers come 1st. I sure would be pissed if stores closed during storms and so would you. and profits outweigh potential equipment damage. plus, most commercial building around here have lightning arresters on the mains. residential properties generally do not. and please note, lightning arresters <> surge suppressors.

and for surge strip warranties. heh. sure. even if its honored, you really want to wait 3+ months with dead equipment? send it all in for inspection? ever gone through it? 15 grand worth of A/V equipment here, plus 5 or so more of computers. Ill keep unplugging.

EDIT: BTW that 10% figure is wrong, thats 10% just the last few month during thunderstorm season. in a year its more like 1-2%. Ive added an edit to my original post.

as has been posted, you need to experiment.

I go backwards.. hit the clock I want @ stock volts.  then keep backing off the volts 0.05 or so till instability.  then bump back up one step and youre pretty much done, depending on how exact you want to be.

my ASUS 6870 can maintain 1000 core @ 1.165, stock voltage was 1.200. made a nice difference in cooling.