> As I stated before, I can't just install Classic Server, 'couse the database was
> upgraded to v2.5 (ODS 11.2) and v.2.5 Classic Server cannot be used with glibc
> 2.5. So, I need a way to downgrade the database back to ODS 11.1, so I can
> use Firebird 2.1 Classic.

In that case, you will need to:
- Extract a metadata script for the existing database
- Create a new empty database using v2.1
- Apply the metadata script
- 'Pump' the data between the v2.5 and v2.1 databases


Sean