Linked Questions

111 votes
4 answers
112k views

One of the answers to this question suggested using Geth's --fast flag to help quickly synchronise the block data. How does the flag work, and how does using it speed up the synchronisation? Are we ...
Richard Horrocks's user avatar
62 votes
5 answers
94k views

I'm running a geth node on slow hardware. At the current rate of progress it could be several days before I can download all the blockchain. Is there a way to get it to synchronise more quickly?
21 votes
4 answers
12k views

This question arose from answering Transaction Status. In the following example, I am sending gas of 21,000 (the amount required for a regular transaction). In this situation gas == gasUsed, and so ...
BokkyPooBah's user avatar
  • 40.4k
23 votes
4 answers
17k views

I am trying to do a fast sync using geth --fast but I am getting this message: blockchain not empty, fast sync disabled How can I empty the blockchain to allow for fast sync?
Randomblue's user avatar
  • 2,620
27 votes
1 answer
32k views

I have synced using the --fast command. Now how should I proceed? I tried stopping it, and then running geth --rpc but it says: Last Header #1311471 Last Block #0 Fast Block #1310224 What should I ...
kostasps's user avatar
  • 373
5 votes
1 answer
6k views

How to check the VM trace using Geth? I've ran geth with --verbosity 6, and stuff like this gets logged: I0525 01:26:12.418607 core/vm/vm.go:157] running byte VM b82addc7 I0525 01:26:12.419818 core/...
Fernando Tiberti's user avatar
6 votes
2 answers
12k views

I'm trying to trace some transactions and I'm getting the "Missing trie node" warning only on some specific blocks, but not on others I've read a solution that suggests to delete the chaindata folder ...
user3498's user avatar
  • 745
4 votes
1 answer
6k views

It looks like I have to sync my blockchain at least until the block when my account was funded. Because as of right now the balance for my address is still zero. I'm runnig geth version 1.4.4-stable-...
Bilthon's user avatar
  • 277
4 votes
1 answer
1k views

Total newbie here. I am trying to get my blockchain synced again after the Geth Node issue of Sept. 18. I am stuck on block #2283419. I am running Mist 8.2 and Ethereum Wallet 8.2. Node connects ...
BillPA's user avatar
  • 41
5 votes
2 answers
901 views

I saw the responses on a few issues regarding ethereum and blockchain sync on this site, and was wondering if anyone could help me with a problem I'm facing. I've been trying to sync the blockchain ...
dhruv ghelani's user avatar
4 votes
1 answer
119 views

I got this error "Synchronisation failed: Invalid old chain" I tried geth removedb and geth upgradedb but I got the same error again any help please?
sourh's user avatar
  • 121
0 votes
0 answers
31 views

I use Lubuntu 17.10. I have followed the steps in the tutorial to build geth from source. (here) I have abandoned the idea of mining ether with my crappy hardware. How can I deinstall the big fat ...
kiltek's user avatar
  • 101