AF> Unfortunatly I haven't experienced this performance with Firbird
AF> (at least using EXT file systems, never tested FB with another one).

If my memory is not failing, I remember Milan Babuskov compared some
linux file systems in some of his talks in some of the past
international conferences. You may try to find the slides, or even ask
him about any tips.

Carlos
Firebird Performance in Detail - http://videos.firebirddevelopersday.com
www.firebirdnews.org - www.FireBase.com.br