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I've run into an issue where a bitcoin partition reached 100%.

I created a new partition and try to move the whole Bitcoin directory over, but I seem to be handicapped by "no space left on device" errors.

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nyc1_04 is my new mounted volume. I've started the copy process which eventually failed with "no space left on device" and now all operations seem to fail.

i've already tried apt autoremove and apt-get clean.

what are some files i could delete in existing Bitcoin core folder to free up a little space but make it rebuildable when service restarts?

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Depending on your requirements, you can run in prune mode:

$ bitcoind -prune <max-MiB>

-prune= Reduce storage requirements by enabling pruning (deleting) of old blocks. This allows the pruneblockchain RPC to be called to delete specific blocks, and enables automatic pruning of old blocks if a target size in MiB is provided. This mode is incompatible with -txindex and -rescan. Warning: Reverting this setting requires re-downloading the entire blockchain. (default: 0 = disable pruning blocks, 1 = allow manual pruning via RPC, 550 = automatically prune block files to stay under the specified target size in MiB)

see https://bitcoin.stackexchange.com/a/37497/60443

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  • hi thanks i am trying to avoid prune mode. I have the necessary space just need to move / copy my blocks to the new mounted volume. also not sure the service would start with prune mode considering i am getting the error on every operation because no space is left
    – Sonic Soul
    Aug 27, 2018 at 15:51
  • it seems the OS needs a little space even for moving files out, which is why it is not letting me move out of 100% full volume
    – Sonic Soul
    Aug 27, 2018 at 15:53
  • Oh, that doesn't match the title of your question. Are you sure about that assumption, that it's referring to the local disk and not the new volume? How is it formatted?
    – JBaczuk
    Aug 27, 2018 at 15:59
  • the title means, can i manually delete some blocks to free up space. as for the new mounted volue, it appears to have 330 gigs free space /dev/sda ext4 348G 67M 330G 1% /mnt/volume_nyc1_04
    – Sonic Soul
    Aug 27, 2018 at 16:26
  • although you may be onto something! when i try to copy files to the new volume i get this error: cannot create regular file '/mnt/volume-nyc1-04/Bitcoin/Bitcoin/blocks/blk01342.dat': No space left on device
    – Sonic Soul
    Aug 27, 2018 at 16:36

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