"Jaromír Dolecek" wrote:
> 
> Andrea Franceschini wrote:
> > I'm trying to set UDMA 66 mode on the wd* devices.
> >
> > Ihave tried many combinations but the highest speed i get is around
> > 11MB/s,when the same drive and same
> > MB using the same benchmark program(bonnie) on FreeBSD give me
> > 21MB/s....
> 
> Do you you softdep on NetBSD filesystem ? Note it's a mount option
> on NetBSD, but tunefs option on FreeBSD. So if you do mount
> the partition with just 'mount dev /mnt' on both systems, you end
> up not using softdep on NetBSD.
> 
> Jaromir
> --
> Jaromir Dolecek <jdolecek@NetBSD.org>      http://www.ics.muni.cz/~dolecek/
> @@@@  Wanna a real operating system ? Go and get NetBSD, dammit!  @@@@
Ummh ..good hint!

But ,can soft dep improve read performance from 11 to 21MB/s?

thank you!.