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Re: [RFC] OpenLDAP automatic upgrade

sean finney <seanius@debian.org> writes:

> On Tue, Mar 15, 2005 at 01:36:17AM +0100, Torsten Landschoff wrote:
>> a) the preinst checks if the database format has changed between the old
>> version and the version that we are upgrading to

> is this an underlying database format change, or simply stricter schema checks?
> if it is a change to the db format, will the new server work with the
> old format (even if less optimally)?  if so it might make a better
> quality package to leave the data in the old format and provide
> instructions to the admin (who will know more than you about the
> directory server) for how to get the new optimised format.

OpenLDAP 2.1 used hash trees with the BDB backend.  OpenLDAP 2.2 uses
btree trees with the BDB backend.  The formats are not compatible.


Quanah Gibson-Mount
Principal Software Developer
ITSS/Shared Services
Stanford University
GnuPG Public Key: http://www.stanford.edu/~quanah/pgp.html

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