Questions tagged [dag]

DAG stands for Directed Acyclic Graph and is a large data set that grows every 30,000 blocks. DAG files are used by miners for their Proof of Work (PoW) computation work.

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Is there any documentation to visualize example of the original DAG graph that Ethereum generates?

Directed Acyclic Graph (DAG) is well explained here. On Vitalik Buterin's Dagger algorithm's link, the image does not show up. I assume it shows the example of 9 level DAG graph. In levels 1 ...
4
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1answer
4k views

ethminer fails to allocate DAG buffer -only- when connecting to a pool

When I run ethminer -G it starts the miner as expected. It takes around 60 seconds to allocate the DAG, and then it starts pumping out hashes on the GPU (at a dismal 1MH/s but that's besides the point....
3
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1answer
492 views

Running Ethminer on a private Ethereum network

I'm trying to carry out some tests on Ethminer and was trying to run benchmarks on it before it starting returning a hashrate of 0, from what I've been able to tell this is becasuse the GPU I'm using ...
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0answers
8k views

How do I get Ethminer to work again?

THE PROBLEM I AM TRYING TO RESOLVE: ethminer.exe stops working when I execute the bat file below. It initially worked fine for about two weeks and then it stopped working. I have no idea why. I have ...
2
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0answers
108 views

geth --ethash.dagsondisk 1 - option ignored?

I have configured a private network in which I can assign different roles to different nodes (machines). Before starting the test I generate the DAG for the block number 0 with the command: geth ...
2
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1answer
1k views

Problem with ether mining, stuck in DAG generation loop

i am completely new to ether mining, recently attempted to mine some ether using my desktop. I came across a comprehensive guide from this link: https://www.cryptocompare.com/mining/guides/how-to-mine-...
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0answers
244 views

Is the DAG the same for all (private/main/test) nets?

Reading about the proof of work, I got to the data generation part (mainly the DAG) and found it in: ~/.ethash/full-R23-0000000000000000 In the ethash it is mentioned that the DAG is generated from ...
1
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1answer
9k views

GPU'S Failed cannot create DAG

Last night everything is fine and then this morning I check my mining its's closed I think it was restarted or close accidentally then when I open my pool I have this error. ETH: 5 pools are ...
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0answers
5k views

Issue “grabbing DAG” for ethminer (but not for expanse)

I installed Geth, and successfully synced the blockchain. However, regardless of whether I use Ethminer, Ethminer with Stratum Proxy, or qtMiner; I always get the same error. It doesn't really throw ...
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0answers
500 views

DAG file is loaded in all GPUs of the rig?

I have a mining rig with 6GPU, each one has 3GB ram. Is it necessary the DAG file to be downloaded in all GPU rams or it is downloaded in one GPU. Furthermore, is the required ram for mining (to ...
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0answers
324 views

Possibly corrupted DAG file

I've started mining on Ubuntu 16.04 using AMD-GPU PRO driver and this miner: https://github.com/ethereum/cpp-ethereum/ Video card is a RX480 with 8GB stock. I'm getting a lot of bad shares, like 10%...
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0answers
117 views

Multiple DAG generation while syncing on testnet

While blockchain synchronisation on testnet, I see multiple DAG generation messages along with the percentage of DAG generated? After this when I check the eth.syncing output my value of ...
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0answers
2k views

ETC Mining - DAG File to big in Phoenix miner but Claymore works without any complains

I am confused, when trying to mine ETC with Phoenix miner, as I did for a long time, it calls the error: GPU1: Not enaugh VRAM for DAG epoch 329 GPU1 is a RX580 with 4GB, but it is dedicated. I also ...