competition

[André Schild]

  Am 21.09.2010 23:15, schrieb Jeffrey T Eaton:
>> Debian is still stuck on 2.2 and there seems to be no progress in that area.
>>
>> The main problem they apparently have, is the migration path for the various
>> DB files from 2.2 to 2.3.
>> (The 2.3 version itself works fine as .deb packages)
> What "migration path"?  Cyrus 2.3 supports all of the same database
> backends that Cyrus 2.2 did.
>
> To the best of my knowledge, you can drop in Cyrus 2.3 binaries, and
> with the same config files as 2.2 used, everything will just work.
> You can't easily go back, because I believe that 2.3 will update
> cyrus.index files to a format which 2.2 doesn't recognize, but that
> shouldn't prevent anyone from upgrading.
 From a cyrus point of view this might be true,
but in real upgrades most of the time also the DB version changes
and here is one of the pitfalls (Not only for cyrus)

Here the current statement from the debian guys.

http://lists.alioth.debian.org/pipermail/pkg-cyrus-imapd-debian-devel/2010-August/003427.html

André