4

Have been running Mist for a few months now and regularly installing the updates. On OSX. Currently on 0.7.2.

I had installed Avast AntiVirus and when I turned Mist on while this was downloading blocks, Avast saw them as a Virus. I stopped Mist and tried to tell it that these are OK. Ultimately, I removed Avast. I think however, I never put the quarantined blocks back and now when I start Mist I get errors like the below. What can I do? Or do I have to reinstall from scratch?

Fatal: blockchain db err: leveldb/table: corruption on table-footer (pos=1829964): bad magic number [file=170175.ldb]

and

...I0511 07:15:51.797087     621 database.go:71] Alloted 433MB cache to /Users/lukeollett/Library/Ethereum/chaindata
Fatal: blockchain db err: leveldb/table: corruption on table-footer (pos=1829964): bad magic number [file=170175.ldb]
  • I tried geth updatedb but was returned Fatal: Could not open database: leveldb/table: corruption on table-footer (pos=1829964): bad magic number [file=170175.ldb] – Luke Ollett May 11 '16 at 14:37
  • Please consider accepting the answer as correct by clicking the tick icon below the voting buttons. – niksmac Aug 8 '16 at 3:37
4

In the end after trying geth updatedb and geth upgradedb which oculd never connect to databse, I just removed the database geth removedb and reopened Mist and I am currently redownloading the block chain.

3

I had the same issue. I fixed it by

  1. geth removedb (while the Mist application is not running!);
  2. geth --fast.

I think the error occured because initially I was running removedb when the Mist application was running.

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