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Questions tagged [synchronization]

The process of bringing a Monero client up to date with the blocks it is missing from the block chain.

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My monerod server will not sync fully

Title says, my server is stuck between 100-300 blocks behind. It has been oscillating for days like this. Here is a custom log output of how many blocks behind I am: time:14:36:11 block:150 time:14:37:...
Tsangares's user avatar
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1 vote
3 answers
2k views

mymonero.com x number of blocks behind can i use the wallet?

im new to Monero, I opened a wallet on mymonero.com and ever since it says you are x number of blocks behind and you have to wait until its complete. my question is can I receive money when it gives ...
k961's user avatar
  • 113
2 votes
1 answer
341 views

Windows users, do you want to prepare your OS to use full node wallet, solve some sync issues and make your chaindata less likely to be corrupted?

Get to read this before using your Windows wallet-gui or cli, and to fix some sync issues.
Coroto's user avatar
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1 vote
1 answer
198 views

GUI Beta 2 Error Message (sync stuck and unable to send funds)

I'm using Monero GUI Beta 2, Windows 10, and sent XMR to an exchange. I have been waiting for the blocks to synchronize for two days. I think I have an error code. Please advise, I appreciate any ...
DM23's user avatar
  • 13
1 vote
1 answer
773 views

GUI / wallet stuck on block 1400001

I reinstalled my monero wallet hoping it would fix the problem, but every time i start my wallet it's stuck at 58928 blocks to sync up. My wallet had no problems syncing up in the past and no mather ...
Ivo's user avatar
  • 33
1 vote
1 answer
2k views

Why is it taking so long for GUI to Sync? My balance is still at zero

I have tried for the last few days to sync my windows gui monero wallet. It seems difficult, my balance is showing at zero - after 8 days mining, is this because the wallet hasn't synced yet or 8 days ...
Sploxon's user avatar
  • 113
0 votes
1 answer
360 views

Gui never updates. Data.mdb will not sync. Need handholding guide. Please help

The GUI Wallet will download blocks from node.moneroworld.com but I see no blockchain on my HDD. I tried monerod.exe and get the following: sync_info Height: 1, target: 1 (100%) Downloading at 0 kB/...
rookie's user avatar
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1 vote
1 answer
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Monero wallet stuck synchronising and I don't understand the "unstuck" guide: please clarify

As stated my wallet on windows is stuck with 39179 blocks remaining. I am trying to follow this guide My blockchain is stuck, how do I "unstuck" it? but the steps are not clear to me. I ...
Owen's user avatar
  • 133
1 vote
0 answers
566 views

Funds not reflecting in GUI

So I was having some problems syncing my GUI to the blockchain, and as a result I wasn't able to view my balance. But i've since been able to correct the syncing problem by downloading to the latest ...
Filipe's user avatar
  • 33
1 vote
0 answers
443 views

Syncing Error on monerod

I've been struggling with syncing my wallet. I'm a first time user, but the struggle has been going on for 5 days. I transfered XMR to my walltet, but it's still not showing up. I've tried syncing ...
Filipe's user avatar
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1 vote
1 answer
249 views

Copied blockchain and gui still saying syncing for aeons

I've downloaded the blockchain on one machine with the 0.11.0.0 release and then copied that lmdb directory to another machine. Started the gui wallet and pointed it at the lmdb directory but it still ...
GingerPrince's user avatar
1 vote
1 answer
4k views

Monero GUI connected to remote node takes long time to sync

I just formatted my Mac and reinstalled the Monero GUI and set it to connect to a remote node(node.moneroworld.com:18089), I had the exact same setup on the computer a day ago, and I don't remember ...
Samuel E.'s user avatar
  • 111
3 votes
1 answer
706 views

Error Failed to commit a transaction to the db: operation not supported

Since the last fork, I have been unable to sync my monero nodes. I have tried from multiple machines and redownloaded the blockchain entirely, However, I still get the following results. Is anyone ...
Jonathan Hicks's user avatar
2 votes
0 answers
1k views

Troubleshooting monerod segmentation fault

I was running a fresh monero full node through it first synchronization. After a long while through the synchronization noticed the daemon became stuck synchronizing a particular block, so I orderly ...
Fábio Antunes's user avatar
2 votes
1 answer
4k views

Monero-wallet-gui: while synchronizing, blocks remaining number increases [duplicate]

I used monero-wallet-gui to import a paper wallet. Synchronization started from the beginning. Synchronization ran very fast and perfectly well until the moment when my funds appeared, more or less (...
Gio's user avatar
  • 29
2 votes
2 answers
3k views

Safely stopping Monero daemon sync (monerod)

I finally got the blockchain syncinc good... I am just wondering if there is a special way to stop the blockchain sync so you can do it again later from where you stopped it? last time I did this, it ...
GarudaAiacos's user avatar
1 vote
1 answer
6k views

Desktop GUI wallet not syncing

I've received two transactions on this wallet previously. The last time I opened this wallet it would not completely sync up, just stopped. I tried the suggestions on one post here, first deleted ...
Gary's user avatar
  • 13
3 votes
1 answer
321 views

Problem with speed of synchronization

I have mined 0.1 Monero on MinerGate and since yesterday am transferring it to the wallet. After 24 hours it's got about 20% ... Is this slowness normal ..? It will take about 5 days to finish the ...
Sergio Sbrofatti's user avatar
6 votes
1 answer
2k views

With the Monero Wallet GUI is it suppose to start synchronizing every time you open it even after it completed synchronizing the 1st time i opened it?

Even though my question(according to stackexchange) appears subjective and is likely to be closed, Im still asking it because its driving me crazy and i just want someone to help me PLEASE. When I ...
Jason's user avatar
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1 vote
1 answer
2k views

Sync takes forever?

I set up a Monero wallet using the GUI version. I'm on a 2016 MBP and 24 hours have gone by now. Checked this morning and say 870 blocks remaining... Now it's showing 1180921 blocks remaining. ...
EibergDK's user avatar
  • 143
7 votes
1 answer
2k views

Running monerod with --block-sync-size 10 syncs a lot faster, why?

Running monerod 10.3.1 on a laptop with a Core i5, 8GB RAM and a DSL connection with 16 MBit downstream and it takes roughly 18 minutes (!!!) for synching 200 blocks when running in default mode (i.e. ...
villabacho's user avatar
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3 votes
1 answer
6k views

Changing block-sync-size within GUI or running monerod

This answer explains how to start the daemon with a specified block-sync-size: ./monerod --block-sync-size 10 How can I do the same thing from the Monero GUI or from a Monero daemon that is ...
guesswhoiam's user avatar
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4 votes
1 answer
1k 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 ...
puzzler's user avatar
  • 263
4 votes
1 answer
6k views

Sent to wallet address before synchronization?

I sent some XMR soon after downloading the gui client (unknowingly) before completion of the daemon synchronization... Will my XMR appear eventually or are they lost?
Concerned's user avatar
2 votes
1 answer
377 views

Problems with daemon syncing past block 1341326

I just noticed that my daemon has not been able to sync past block 1341326. A little investigation shows my node reporting that I'm behind by so many blocks, and then randomly it will say that I'm so ...
gdoober's user avatar
  • 685
2 votes
2 answers
1k views

Monero GUI Changing from host node to local node

I have deposited coins into my Monero GUI wallet prior to the completion of full node synchronization. My coins are not visible and synchronization is very slow for me, currently 5 days with still ...
Skalounge's user avatar
1 vote
0 answers
747 views

GUI Wallet not syncing and Coins not appearing in wallet

I have downloaded Monero gui 0.10.3.1-beta 2 wallet. I sent coins to my wallet from an exchange prior to the wallet finishing syncing. My coins are not visible in my wallet. It has been 4 days and ...
Skalounge's user avatar
4 votes
3 answers
3k views

Syncing Monero blockchain and get error not sure that the problem is. Error posted below

I got this error all of a sudden, this is also my third time trying to sync the blockchain from scratch. 2017-07-01 02:37:30.764 [P2P7] INFO global src/cryptonote_protocol/...
Iceman's user avatar
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2 votes
1 answer
1k views

MDB MAP FULL error when syncing

Ran into the following when syncing: 2017-06-26 21:19:28.150 [P2P1] ERROR blockchain src/cryptonote_core/blockchain.cpp:3383 Error adding block with hash: to blockchain, what = Error adding ...
zanegray's user avatar
  • 141
2 votes
2 answers
4k views

Bytecoin wallet stuck on sync

I've been using the Bytecoin wallet 1.1.7.1 and after a complete sync, every time I launch the wallet, it is just stuck on syncing. Using the OSX version, and I have rolled back to previous versions ...
Bytecoin_temp's user avatar
17 votes
1 answer
44k views

My blockchain is stuck, how do I "unstuck" it?

During the last few weeks a common, reoccurring, question seems to be how to get one's blockchain "unstuck". This guide will, hopefully, provide some assistance in doing so.
dEBRUYNE's user avatar
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2 votes
1 answer
532 views

monerod does not start to sync via my dsl connection, but it continues to sync when I start via other connection

I have two internet connections, dsl and mobile. monerod never starts to sync via dsl connection, but it starts to sync via my phone's mobile internet successfully. After it starts to sync, I stop ...
Deniz's user avatar
  • 123
3 votes
1 answer
11k views

Why is Monero GUI stuck when it says it's syncing?

Save a newbie of Monero and Linux. I'm running Ubuntu and Monero 'Wolfram Warptangent' (v0.10.3.1-release). Network status is green and says synchronizing, but blocks remaining moves up 1 every so ...
MrGlazedDonuts's user avatar
2 votes
1 answer
112 views

What are the potential attack vectors of doing a kind of "quick sync" by just asking for/validating the last X blocks?

Would it be possible to request for example the latest 200 blocks from peers, and let the user start using their wallet while the rest of the blockchain is sync'd normally in the background? What ...
revler1082's user avatar
  • 2,501
3 votes
3 answers
5k views

GUI wallet stopped syncing

I opened the gui wallet after a month of not using it. It started syncing for a day but then just stopped. It says it is connected and syncing but stays at the same last block. I have restarted it ...
Don Cromarty's user avatar
6 votes
1 answer
4k views

Monero sync too too slow

I'm syncing monero for the first time. I have an SSD on my syncing PC. I left all day syncing plus all night. I still got 253624 blocks to sync, and letting it all night only synced 400 blocks. This ...
alexandre1985's user avatar
3 votes
1 answer
1k views

Monerod is syncing 1 block at a time seemingly backwards?

Monerod is syncing super slowly since the last week or so. It goes one block at a time and each block can take a couple of minutes. I am on the 10.3.1 and everything was working fine before. Edit: ...
pl55's user avatar
  • 1,858
1 vote
1 answer
258 views

synchronization going backwards

Synchronization appears to be going backwards. im 700 blocks behind, but it moves to 701 then 702. It keeps repeating synchronization started as if it stops and starts again. Sometimes it just stops ...
lile's user avatar
  • 11
1 vote
1 answer
176 views

After downloading the blockchain from scratch overnight, the daemon stalls with 118,508 blocks. What can I do to resolve this?

My original monerod.exe would not open for more than a second before closing. I could see no reason, so after many attempts, I backed up the blockchain that I had, (behind by a week) and started ...
Frustrated's user avatar
5 votes
2 answers
3k views

Blockchain synchronization fails, bus error

I am using monerod 0.10.3.1 on Arch Linux. Towards the end of the process the synchronization with the blockchain fails: 2017-05-29 09:20:27.451 [P2P1] WARN net.dns src/common/dns_utils.cpp:531 ...
Federico Squartini's user avatar
4 votes
1 answer
2k views

Error in synchronisation with monerod

I had a problem with the synchronisation of monerod because when starting, it gives me this error: --log-level 2 `2017-05-26 01:45:42.857 7f49065b6740 INFO net.p2p src/p2p/net_node.inl:545 Binding on ...
samu orlando's user avatar
3 votes
1 answer
548 views

chunk size error when import blockchain file using monero-blockchain-import

I am importing monero blockchain using this command: ./monero-blockchain-import --verify 0 --input-file ./blockchain.raw I am getting error: Aborting: chunk size exceeds buffer size more details ...
theguru42's user avatar
  • 151
7 votes
2 answers
1k views

Monero Height at a standstill

My Height seems to be stuck here 335459/335459 (100.0%) on mainnet But when I check the current height online it's 1289240 Could someone help me?
dcrew's user avatar
  • 111
3 votes
2 answers
383 views

Syncronisation problem on Geekbox running node from SD card

I have a Geekbox (geekbox.tv) and I'm trying to run a full node on it. I installed the Lubuntu 14.04 only OS (removed the Android partitions), but considering that only gives 14GB of hard drive space, ...
tficharmers's user avatar
2 votes
2 answers
1k views

Monerod synchronization problems

Monero noob here, my friend basicly did everything when he made me a wallet and stuff. I had version "0.9-4-0", but it just froze and looked for blockchain. So i read some tips online, and ...
Hello's user avatar
  • 21
1 vote
1 answer
2k views

GUI halts synchronizing blocks, throwing 'unexpected recv fail'

On Ubuntu 16.10 x64 and GUI wallet 0.10.3.1-beta2, I run start-gui.sh. My blockchain is a bit behind, so it shows synchronizing with 20992 blocks remaining. However, this number increases instead of ...
SaccusSecretus's user avatar
2 votes
1 answer
80 views

What calculation/process is being carried out regarding the syncing process

What calculation/process is being carried out within the gui, regarding the syncing process of the block chain for running a full node?
Lurker's user avatar
  • 473
6 votes
2 answers
1k views

When syncing Monero's blockchain from scratch, why does it begin fast and end slow?

I'm currently syncing from scratch, and noticed that the first million blocks or so synced really fast, but the final blocks take forever. Why is this?
user avatar
3 votes
1 answer
3k views

Understanding monerod blockchain sync status

I'm currently syncing a full-node and it is taking a long time. I a hybrid SSD/HDD, so I understand that the HDD is typically a bottleneck based on some other threads I searched, but I would like help ...
MoneroNewb's user avatar
2 votes
2 answers
23k views

Fastest way to sync and start using Monero GUI wallet?

What is the fastest way to sync and start using Monero GUI wallet and how to do it? If anyone has tried various methods, what is the different time taken for each method to start using Monero GUI ...
MoneroWarrior's user avatar