Conversion Debian Cyrus 2.1 to 2.2, experiences

Pascal Gienger Pascal.Gienger at
Thu Aug 14 04:37:48 EDT 2008

Paul van der Vlis <paul at> wrote:

> then convert the databases (on one line):
> find /var/lib/cyrus/ -name \*.db -print -exec /usr/bin/db4.2_upgrade {} \;

> db_upgrade: /var/lib/cyrus/mailboxes.db: unrecognized file type

> So "mailboxes.db" did not work, but the other databases did.

Just a side note: I am pretty sure your mailboxes.db is a skiplist database 
which is AFAIK the default for mailboxes.db in Cyrus IMAP 2.1 and 2.2. No 
conversion is necessary.
Do you have any database type declarations in your imapd.conf?


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