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I downloaded the Ethereum-wallet for OSX and started the sync. It took like 10 hours to sync more than 1M blocks.

I closed the wallet and restarted today, but I was surprised to see that the sync is starting from block 0.

Is it normal that the sync restart from 0 after closing the wallet? If not, any thoughts on why this happened?

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  • Ethereum blockchain is more than 25GB
    – niksmac
    Mar 27 '16 at 12:36
  • @Nikhil M. du -hs ./ethereum/chaindata currently gives me the output of '13G chaindata/'. You may have included the DAG and other files in your 25Gb total.
    – GMGMGMGM.ETH
    Apr 5 '16 at 4:34
  • @BokkyPooBah on a fast sync the size is even smaller mine is 4.2G and is fully synced.
    – niksmac
    Apr 17 '16 at 15:08
  • @Nikhil M I suspect that this is because only the receipts from the transactions and the resulting state changes get download and not the transactions.
    – GMGMGMGM.ETH
    Apr 17 '16 at 15:56
  • @BokkyPooBah yeah, thats what fast supposed to do.
    – niksmac
    Apr 17 '16 at 15:58
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I suspect that you terminate Ethereum Wallet before the --fast syncing completed.

From the code in mist/modules/ethereumNodes.js lines 175-183, Ethereum Wallet will try to --fast sync the blockchain.

Referring to the answer Geth node starts to sync from the beginning after fast sync, you may have to:

  • Clear out your existing chaindata
  • Restart Ethereum Wallet, and let it complete the syncing process fully.
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