Corrupted index cache after migrating from maildir to mdbox

[Tim Meusel]

On 13.10.2014 02:37, Daniel Parthey wrote:
> Maybe the index is corrupted too and the index.cache is a cached version of the corrupted index?
> 
> Are you using NFS with mdbox and accessing one nfs mailbox directory concurrently from several dovecot hosts?
> 
all mails are stored on an xfs filesystem and only the local dovecot
accesses it. Possible to fix the index.cache files? I havn't found
anything suitable in the docs. The doveadm-index commands are only for
the fts plugin I think.