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Questions tagged [blockchain-import]

Questions about the blockchain-import feature including security related concerns and comparisons with syncing the blockchain from scratch

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0answers
119 views

More detailed explanations for the db-sync-mode parameters? (i.e. safe, fast, fastest; sync, async; and nblocks_per_sync)

Can someone give more detailed explanations on what the various db-sync-mode parameters actually do in monerod and monero-blockchain-import, and why one might select each of them? (i.e. safe, fast, ...
1
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1answer
75 views

Which is the more reliable coin after April 2018 network upgrade?

As far I understand monero is now divided as monero and monero classic/original/0 . So which is the more reliable coin? I do have a linux node in which an old version of monerod was installed. To ...
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0answers
73 views

Update Issue GUI v0.12 MAC [duplicate]

I have updated yesterday April 24th to the new GUI 0.12 on Mac. I was running the old GUI until yesterday. I have some issues: It says after a few seconds Wallet is synchronized Daemon is ...
17
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1answer
11k views

I forgot to upgrade (from CLI or GUI v0.12 to CLI or GUI v0.13) and, as a result, accidentally synced to the wrong (alternative) chain

I forgot to upgrade (from CLI or GUI v0.12 to CLI or GUI v0.13) and, as a result, accidentally synced to the wrong (alternative) chain. How do I resolve this issue?
3
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1answer
931 views

Which directory does monero-blockchain-import, by default, use to store the imported blockchain?

I am not sure if this makes sense or not. I was using an old version of the Monero GUI and I was stuck at block 140001. I thought it was a sycning problem so I downloaded the raw blockchain from ...
2
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0answers
117 views

Move blockchain folder on Windows [duplicate]

I have read https://www.monero.how/tutorial-how-to-speed-up-initial-blockchain-sync and downloaded the 27.2 gb raw file. I had the monero gui installed and specified the directory for the blockchain ...
2
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2answers
427 views

Can't find the .bitmonero directory to set up the blockchain.raw file in Ubuntu 17.10?

I changed from windows to Ubuntu 17.10 Linux. I'm totally new on it. I've been learning how to work with the terminal, and I have already downloaded my old windows blockchain.raw file located in the ...
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0answers
115 views

bootstrap import data dir command not working

Hi I am trying to import the raw blockchain into my linux computers Persistent folder, however the command to tell it to do that will not work if I type ./monero-blockchain-import --data-dir /home/...
4
votes
1answer
507 views

How do I constrain memory usage during initial blockchain sync

I'm trying to get monerod up and running on a VPS with 1gb of RAM. My understanding is that once the chain is synced, monerod's memory usage should be quite reasonable. However, during the initial ...
1
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1answer
271 views

Can I use a copy of a blockchain created on Mac OS X, on an offline Ubuntu (ARMv7) box?

I created a wallet on an offline/air-gapped Ubuntu box, but my main computer is a Mac. If I want to sync the offline Ubuntu wallet to check the balance, can I use the blockchain created on my Mac? If ...
7
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1answer
365 views

Since monerod through Tor is slower (on Whonix), would importing the .raw be faster?

My understanding is that importing a blockchain backup with Monero and other cryptocurrencies takes about the same time it takes to sync normally. The only reason I could see for someone doing that, ...
6
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2answers
673 views

How do you convert the Monero blockchain from Linux to Windows?

I know there is a tool that can be used to convert the format but what steps should be taken to do so?
7
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1answer
179 views

Do checkpoints make initial blockchain sync faster?

Do the checkpoint hashes in checkpoints.cpp make the syncing go faster? Why or why not?
5
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1answer
536 views

What is the risk of specifying --verify 0 with blockchain_import?

I have noticed that importing a blockchain snapshot file blockchain.raw speeds up dramatically when using --verify 0. The default value is 1 though. What is the downside, or risk, of not verifying ...
8
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1answer
766 views

Why is it faster to synchronize from the network than to import from a raw data file?

I've read some places that its faster to synchronize from the network than to download and then import a raw blockchain file. Why is it faster to synchronize from the network?