how to update BDB

[Igor Brezac]

On Fri, 21 Jan 2005, 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.

yes.

> But how is it possible to upgrade without
> deleting the DBs?

Reset the bdb environment with the old db_recover binary prior to upgrade. 
I do not think that the database format changed between the two BDB 
versions.

-- 
Igor
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