* Michael Ströder:
Florian Weimer wrote:
> * Onno van der Straaten:
>> Ubuntu server upgrade from 12.04 to 14.04 LTS will purge the OpenLDAP
>> directory data.
> Is there an Ubuntu bug for this behavior? It's a bit odd.
One should generally be careful with system upgrades.
AFAIK on-disk-format might change because of Berkeley-DB version upgrade.
Unless OpenLDAP uses the HASH database type, it's sufficient to
checkpoint the Berkeley DB environment (and perhaps some other
undocumented magic) *before* updating OpenLDAP. The on-disk format of
B-Tree-type databases is quite stable.
(Automated dump and reload might not work for large databases during
automated package upgrades because of the time and disk space