[Dovecot] corrupted binary tree and index data files

[Timo Sirainen]

On Fri, 2005-07-29 at 12:53 -0600, Gary Sandine wrote:
> Hi.
> 
> I am using dovecot 0.99.14 as an imaps server with mbox folders (in an
> NFS-mounted directory) in x86 Debian testing.  I have searched the
> archives of this list and have seen other evidence of the problems I am
> having.  I get lots of log messages like these:
> 
> Jul 29 07:47:09 HOST imap(USER): Corrupted binary tree file /home/USER/IMAP_MBOX_DIR/.imap/INBOX/.imap.index.tree: UID to be inserted isn't higher than existing (290 <= 291)
> ...

Dovecot's index files don't like living inside NFS mounted directories.
With 1.0-test releases they work much better after you change a couple
of settings, but still not perfectly. Maybe just put the indexes to
local disks:

default_mail_env = mbox:~/IMAP_MBOX_DIR:INDEX=/var/lib/dovecot-indexes/%u

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