FreeBSD 5.3b7and poor ata performance
Joel Dahl
joel at automatvapen.se
Tue Oct 19 02:57:09 PDT 2004
On Mon, 2004-10-18 at 17:44, Claudiu Dragalina-Paraipan wrote:
> This might be a bit away from the main interest of the thread:
> anyone has done any test in 5.2.1 ?
>
> With respect,
> Claudiu Dragalina-Paraipan.
AMD XP3000+, Asus A7N8X, Maxtor 120GB 7200rpm, FreeBSD 5.2.1-p11
dude# dmesg | grep atapci0
atapci0: <nVidia nForce2 UDMA133 controller> port 0xf000-0xf00f at
device 9.0 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
dude# dmesg | grep Maxtor
ad0: 117246MB <Maxtor 6Y120P0> [238216/16/63] at ata0-master UDMA133
dude# atacontrol list
ATA channel 0:
Master: ad0 <Maxtor 6Y120P0/YAR41BW0> ATA/ATAPI rev 7
Slave: no device present
ATA channel 1:
Master: acd0 <_NEC DVD_RW ND-3500AG/2.16> ATA/ATAPI rev 0
Slave: no device present
dude# dd if=/dev/ad0 of=/dev/null bs=1024k count=1024
1024+0 records in
1024+0 records out
1073741824 bytes transferred in 20.334953 secs (52802769 bytes/sec)
dude# dd if=/dev/ad0 of=/dev/null bs=128k count=10000
10000+0 records in
10000+0 records out
1310720000 bytes transferred in 24.843961 secs (52758093 bytes/sec)
--
Joel
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