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I'm going to setup a full Ethereum node on my PC here with geth --syncmode=full I have to buy SSD drive for that. My question is will 1TB SSD be enough or I have to buy even more bigger (= expensive) SSD drive?

PS. I've searched over internet and didn't find recent information about it...

Andrew Zolotukhin
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    I'm voting to close this question as off-topic because it is not a programming question as defined in the [help] guidelines. – Ken White Nov 16 '18 at 23:56
  • you should be able to find more info here: https://ethereum.stackexchange.com/ – schu34 Jan 23 '19 at 19:26

2 Answers2

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This is what you need:

https://etherscan.io/chart2/chaindatasizefast

Geth has 3 modes; light, fast and full. Running fast is fine. If you want to learn more about them, read this answer.

Pang
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Zulhilmi Zainudin
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  • Thank you for your answer. I know about this graph, but this info is relevant to 'fast' syncing, as I said in my question, I'm interested in FULL import, that's why I'm asking, I had fast synced node with 256GB SSD, but now I'm in need to install a full node, and don't know which SSD I should buy, 1TB or 2TB... – Andrew Zolotukhin Nov 19 '18 at 11:11
  • AFAIK, technically both fast and full will download same size of blocks. The only difference here is, full will validate the blocks but fast will process/validate no transactions until current block. – Zulhilmi Zainudin Nov 19 '18 at 12:22
  • Probably you're right, but the strange thing here is that when I did a fast sync a week ago it was enough to have a 256 GB SSD, but when I started a full sync I got 256 competely full when it downloaded ~66% of all blocks. So in this case the question is: will it require extra space when all blocks are downloaded or not? I know that while fast syncing it also require some time and disk space to perform a state tries download. Will it be a case for "full" sync and how much of disk space it will require? – Andrew Zolotukhin Nov 19 '18 at 12:53
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according to this article once Geth is done with fast sync, it switches to full sync. With a Parity Archive node approaching 2TB (source) you can expect at least that much in disk-space. Running a stable node is a challenge, so you may want to look into QuikNode (who can run a node in the cloud for you).

Dmitry
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