how to update BDB

[Andreas Hasenack]

On Fri, Jan 21, 2005 at 04:18:09PM +0100, Jukka Salmi wrote:
> Hi,
> 
> I is probably a FAQ, but I couldn't find an answer to it...
> 
> On a NetBSD 2.0 system running Cyrus IMAPd 2.2.10 and Berkeley DB 4.2.52
> (both installed from pkgsrc) I updated BDB to 4.3.27. After starting
> master the following was logged:
> 
> Jan 21 15:47:18 bart master[16978]: process started
> Jan 21 15:47:18 bart master[10723]: about to exec /usr/pkg/cyrus/bin/ctl_cyrusdb
> Jan 21 15:47:18 bart ctl_cyrusdb[10723]: DBERROR p*^F^H: db4
> Jan 21 15:47:18 bart ctl_cyrusdb[10723]: DBERROR p*^F^H: db4
> Jan 21 15:47:18 bart ctl_cyrusdb[10723]: recovering cyrus databases
> Jan 21 15:47:18 bart ctl_cyrusdb[10723]: skiplist: recovered /var/imap/mailboxes.db (22 records, 3596 bytes) in 0 seconds
> Jan 21 15:47:18 bart ctl_cyrusdb[10723]: skiplist: recovered /var/imap/annotations.db (13 records, 1392 bytes) in 0 seconds
> Jan 21 15:47:18 bart ctl_cyrusdb[10723]: DBERROR p*^F^H: db4
> Jan 21 15:47:18 bart ctl_cyrusdb[10723]: DBERROR p*^F^H: db4
> Jan 21 15:47:18 bart ctl_cyrusdb[10723]: DBERROR: critical database situation
> Jan 21 15:47:18 bart master[16978]: process 10723 exited, status 75 
> Jan 21 15:47:18 bart master[16978]: ready for work
> Jan 21 15:47:18 bart master[29388]: about to exec /usr/pkg/cyrus/bin/ctl_cyrusdb
> Jan 21 15:47:18 bart ctl_cyrusdb[29388]: DBERROR p*^F^H: db4
> Jan 21 15:47:18 bart ctl_cyrusdb[29388]: DBERROR: critical database situation
> Jan 21 15:47:18 bart master[16978]: process 29388 exited, status 75
> 
> The only BDBs I use are duplicate_db and tlscache_db, so I could
> simply delete $configdirectory/{deliver.db,tls_sessions.db,db/*}
> and start Cyrus again. But how is it possible to upgrade without
> deleting the DBs?

You would have to get rid of the transaction log files. Probably by checkpointing.
According to the BDB docs, the log file format has changed.
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