DB4 downgrade

[Cheng-Jih Chen]

Simon Matter wrote:
>>
>> I finally got a window of scheduled downtime to test this, and I'm
>> having problems.  Here's what I did:
>>
>> # /etc/init.d/cyrus-imapd stop
>> # db_checkpoint -v -1 -h /var/lib/imap/db
>> # db_recover -v -h /var/lib/imap/db
>> # rm db/*
>> # /usr/lib/cyrus-imapd/cvt_cyrusdb /var/lib/imap/deliver.db berkeley
>> /var/lib/imap/deliver.db.skip skiplist
>> # /usr/lib/cyrus-imapd/cvt_cyrusdb /var/lib/imap/tls_sessions.db
>> berkeley /var/lib/imap/tls_sessions.db.skip skiplist
>> # mv deliver.db.skip deliver.db ; mv tls_sessions.db.skip tls_sessions.db
>> # chown cyrus:mail tls_sessions.db deliver.db
>> # /etc/init.d/cyrus-imapd start
>>
>> At this point, the log explodes with messages along the lines of:
>>
>> Dec 11 06:11:53 ajax imaps[1394]: DBERROR: critical database situation
>> Dec 11 06:11:53 ajax master[32203]: service imaps pid 1394 in READY
>> state: terminated abnormally
>> Dec 11 06:11:53 ajax master[32203]: service lmtpunix pid 1397 in READY
>> state: terminated abnormally
>> Dec 11 06:11:53 ajax imap[1395]: DBERROR A
>>                                           : db4
>> Dec 11 06:11:53 ajax imap[1395]: DBERROR: critical database situation
>> Dec 11 06:11:53 ajax master[32203]: service imap pid 1395 in READY
>> state: terminated abnormally
>> Dec 11 06:11:53 ajax imap[1399]: DBERROR A
>>                                           : db4
>> Dec 11 06:11:53 ajax imap[1399]: DBERROR: critical database situation
>> Dec 11 06:11:53 ajax imaps[1400]: DBERROR A
>>                                            : db4
>> Dec 11 06:11:53 ajax imaps[1400]: DBERROR: critical database situation
>>
>> Any ideas on why this is going on?
>>
>> I did notice that /var/lib/imap/rpm/db.cfg.cache has entries along the
>> lines of:
>>
>> CONFIG_DB_DUPLICATE=berkeley
>> CONFIG_DB_MBOX=skiplist
>> CONFIG_DB_SEEN=skiplist
>> CONFIG_DB_SUBS=flat
>> CONFIG_DB_TLS=berkeley
>> CONFIG_DB_ANNOTATION=skiplist
>> CONFIG_DB_SIEVE=2.2.3
>>
>> Is there someplace I need to tell imapd that deliver and tls_sessions
>> are now skiplist?  I don't see anything in /etc/imapd.conf and
>> /etc/cyrus.conf.
> 
> Something is really broken here...
> First shutdown using 'service cyrus-imapd stop', then put this in
> /etc/imapd.conf:
> duplicate_db: skiplist
> tlscache_db: skiplist
> 
> Now try to start it up using 'service cyrus-imapd start'.
> Unfortunately I think the cyrus-imapd package shipped with FC4 has some
> bugs in the init scripts. I recommend you use my rpms, which are newer and
> have less bugs. RedHat ships old versions of my rpms which don't include
> the latest bug fixes. Find the source rpm here:
> http://www.invoca.ch/pub/packages/cyrus-imapd/

I tried what you suggested regarding just the /etc/imapd.conf changes, 
but without using your RPMs.  There was no change: DBERROR messages 
everywhere until the imapd service was stopped, etc.  I will try using 
your RPMs during the next period of scheduled maintenance, later this 
week.  Thanks again.