----- Original Message ----- 
From: "O. Hartmann" <[EMAIL PROTECTED]>
To: <freebsd-performance@freebsd.org>; <freebsd-questions@freebsd.org>
Sent: Friday, March 02, 2007 1:38 AM
Subject: (S)ATA performance in FBSD 6.2/7.0 

> The last days I tried to figure out why some of my lab's FreeBSD boxes 
> and also mine at home seem to be outperformed by some Linux setups 
> around here and I saw something interesting.

blah blah blah deleted

> Before digging into this problem deeper with benchmarks, could anyone 
> explain why FreeBSD reaches this 33 MB/s limit (sounds like UDMA 33 

man mount

read section on "async"

linux by default mounts async

freebsd by default mounts sync

you can change FBSD to async

then watch your fs scramble during a power failure

no big deal, it's only your data.

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