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While downloading blockchain im getting this error

Fatal: Error starting protocol stack: write /root/.ethereum/geth/chaindata/230944.ldb: no space left on device

how this can be resolved? Im downloading it for learning purpose, so i can learn to develop ETH based websites and wallets and mining etc...

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Sounds like you don't have space left on your machine, your HD is full. Running a full node with Geth takes space because you have to download the entire blockchain [~50GB]

Solution 1: Clean up your machine to get some space

Solution 2: Run Geth in light mode geth --syncmode "light". Light clients only download block headers which reduce considerably the chain data folder. [more info]

Solution 3: Connect to a third-party hosted node. If you don't want to run your own node locally, you can rely an hosted node such as INFURA

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  • if i use this command geth --syncmode "light" then do i need to delete all files under chaindata folder? And start downloading block chain again?
    – shawn
    Feb 17 '18 at 11:20
  • Yes you can't combine full sync and light sync. You can remove the chain data folder using geth removedb
    – Greg Jeanmart
    Feb 17 '18 at 11:21
  • My previous command was, which ended up with ERROR : no space left on device geth --fast --cache 1024 --rpc --rpcaddr 127.0.0.1 --rpcport 8545 --rpccorsdomain * --rpcapi admin,db,eth,debug,miner,net,shh,txpool,personal,web3 Shall i use this command now to download blockchain with "light"? Is is correct command to execute? geth --syncmode "light" --cache 1024 --rpc --rpcaddr 127.0.0.1 --rpcport 8545 --rpccorsdomain * --rpcapi admin,db,eth,debug,miner,net,shh,txpool,personal,web3
    – shawn
    Feb 17 '18 at 11:28
  • yeah that looks correct
    – Greg Jeanmart
    Feb 17 '18 at 11:30
  • thanks greg, one more last stupid question. How much time and disk space new command supposed to use? im super new to this stuff
    – shawn
    Feb 17 '18 at 11:32

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