Hi, > That?s not good for the Sparc machine (and even worse for Solaris by the way > but this is of less interest because the machine should run under Linux). > > Any hint if there some optimisations could be done? It would be worth upgrading the ultra to a recent 2.4 kernel from http://vger.samba.org. I found a > 10% improvement in some IO benchmarks after the cache flush avoidance work went in. Anton