[Dovecot] Dovecot 1.x on AIX -> Dovecot 2.x on Ubuntu
daniel.parthey at informatik.tu-chemnitz.de
Sat Jun 9 21:48:53 EEST 2012
root at yuma.acns.colostate.edu wrote:
> We are working on migrating Dovecot 1.2.17 running on AIX 5.3 (believe it
> or not!) to Dovecot 2.0.13 running on Ubuntu. We have hundreds of users
> mboxes we will be migrating. My question is regarding the index files.
> Should we remove those after the migration, but before we open it up to
> users so Dovecot can create new ones?
> I did a test migration of a single user, and Dovecot detects the
> architecture change and put out some panic errors, corrupt files and
> backtrace messages in syslog on Ubuntu. The messages are shown below. If
> every user is going to generate these types of errors, I'm thinking maybe
> it makes sense to remove all the .imap directories and let Dovecot create
> new clean ones. I realize that may slow things down for awhile while
> Dovecot is rebuilding new files.
Which mail storage format (mbox,maildir,sdbox,mdbox)
are you using and is it stored on NFS?
Would you provide your "doveconf -n" output for dovecot 2.0.13, please?
You might also have a look at imapsync for clean mass migration
from one architecture to another.
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