pitiful performance of an SATA150 drive

[Dmitry Pryanishnikov]

Hello!

On Wed, 1 Mar 2006, Mikhail T. wrote:
> I installed a new 500Gb SATA drive into my 6.1 system and am greatly
> disappointed with its performance. Although straight reading is
> Ok at around 32Mb/s, the writing is never more than 7Mb/s (as reported
> by `systat 1 -vm' while running `cat < /dev/zero > /dev/ad8').

  This may give you terrible performance due to small (4 Kb) buffer size.
Try the following command instead: dd if=/dev/zero bs=1m of=/dev/ad8.


Sincerely, Dmitry
-- 
Atlantis ISP, System Administrator
e-mail:  dmitry at atlantis.dp.ua
nic-hdl: LYNX-RIPE