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I started the initial sync with prune. When i went to bed last night it was at 55% and when i woke up it got to 75%. Now while sitting here i noticed Bitcoin Core suddenly was gone without warning. I started it back up and now it’s at 55% again. The night before that i left it running and it did the first 40% without issue.

Now i only have 90gb left on my disk and i’m afraid that’s not going to be enough. The blocks it discarded are apparently still on disk. Also, the "prune" checkbox in the settings is now suddenly unchecked. It also wasn’t complaining about my "banscore" configuration before.

Does anyone have a clue what happened here? Was this a disk failure of some sort? How can i get rid of the blocks it’s not using anymore? Can i just check the prune checkbox again and it’ll be fine?

It says the following in the debug file:

2021-05-14T13:37:05Z Ignoring unknown configuration value banscore

2021-05-14T13:37:05Z Bitcoin Core version v0.21.0 (release build)

2021-05-14T13:37:05Z Qt 5.9.8 (static), plugin=windows (static)

2021-05-14T13:37:05Z System: Windows 10 (10.0), x86_64-little_endian-llp64

2021-05-14T13:37:05Z Screen: .DISPLAY1 1920×1080, pixel ratio=1.0

2021-05-14T13:37:05Z Assuming ancestors of block 0000000000000000000b9d2ec5a352ecba0592946514a92f14319dc2b367fc72 have valid signatures.

2021-05-14T13:37:05Z Setting nMinimumChainWork=00000000000000000000000000000000000000001533efd8d716a517fe2c5008

2021-05-14T13:37:05Z Using the ‘shani(1way,2way)’ SHA256 implementation

2021-05-14T13:37:05Z Using RdSeed as additional entropy source

2021-05-14T13:37:05Z Using RdRand as an additional entropy source

2021-05-14T13:37:05Z GUI: "registerShutdownBlockReason: Successfully registered: Bitcoin Core didn’t yet exit safely…"

2021-05-14T13:37:07Z Default data directory C:UsersEliasAppDataRoamingBitcoin

2021-05-14T13:37:07Z Using data directory F:Bitcoin Blockchain

2021-05-14T13:37:07Z Config file: F:Bitcoin Blockchainbitcoin.conf

2021-05-14T13:37:07Z Using at most 125 automatic connections (2048 file descriptors available)

2021-05-14T13:37:07Z Using 16 MiB out of 32/2 requested for signature cache, able to store 524288 elements

2021-05-14T13:37:07Z Using 16 MiB out of 32/2 requested for script execution cache, able to store 524288 elements

2021-05-14T13:37:07Z Script verification uses 11 additional threads

2021-05-14T13:37:07Z scheduler thread start

2021-05-14T13:37:07Z Using wallet directory F:Bitcoin Blockchain

2021-05-14T13:37:07Z init message: Verifying wallet(s)…

2021-05-14T13:37:07Z init message: Loading banlist…

2021-05-14T13:37:07Z SetNetworkActive: true

2021-05-14T13:37:07Z Using /16 prefix for IP bucketing

2021-05-14T13:37:07Z Cache configuration:

2021-05-14T13:37:07Z * Using 2.0 MiB for block index database

2021-05-14T13:37:07Z * Using 8.0 MiB for chain state database

2021-05-14T13:37:07Z * Using 6134.0 MiB for in-memory UTXO set (plus up to 286.1 MiB of unused mempool space)

2021-05-14T13:37:07Z init message: Loading block index…

2021-05-14T13:37:07Z Switching active chainstate to Chainstate [ibd] @ height -1 (null)

2021-05-14T13:37:07Z Opening LevelDB in F:Bitcoin Blockchainblocksindex

2021-05-14T13:37:07Z Opened LevelDB successfully

2021-05-14T13:37:07Z Using obfuscation key for F:Bitcoin Blockchainblocksindex: 0000000000000000

2021-05-14T13:37:18Z LoadBlockIndexDB: last block file = 1928

2021-05-14T13:37:18Z LoadBlockIndexDB: last block file info: CBlockFileInfo(blocks=59, size=42156992, heights=612560…612634, time=2020-01-12…2020-01-13)

2021-05-14T13:37:18Z Checking all blk files are present…

2021-05-14T13:37:19Z Opening LevelDB in F:Bitcoin Blockchainchainstate

2021-05-14T13:37:20Z Opened LevelDB successfully

2021-05-14T13:37:20Z Using obfuscation key for F:Bitcoin Blockchainchainstate: f266075b8b671857

2021-05-14T13:37:21Z Loaded best chain: hashBestChain=0000000000000000001334448622b5d91c57b13a3e9de363bbe56ca6c00d05d8 height=550984 date=2018-11-21T19:06:06Z progress=0.558927

2021-05-14T13:37:21Z init message: Rewinding blocks…

2021-05-14T13:37:23Z FlushStateToDisk: write coins cache to disk (0 coins, 0kB) started

2021-05-14T13:37:23Z FlushStateToDisk: write coins cache to disk (0 coins, 0kB) completed (0.00s)

2021-05-14T13:37:23Z init message: Verifying blocks…

2021-05-14T13:37:23Z Verifying last 6 blocks at level 3

2021-05-14T13:37:23Z [0%]…[16%]…[33%]…[50%]…[66%]…[83%]…[99%]…[DONE].

2021-05-14T13:41:06Z No coin database inconsistencies in last 6 blocks (15342 transactions)

2021-05-14T13:41:06Z block index 239686ms

2021-05-14T13:41:07Z block tree size = 683583

2021-05-14T13:41:07Z nBestHeight = 550984

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