Manufacturer: Western Digital
Type: VelociRaptor
Model: WD3000HLFS
Firmware: 04.04V06
Capacity: 300 GB
Spindle Speed: 10000 RPM
Interface: SATA II
Cache: 16 MB
NCQ: Yes
lspci | grep AHCI
00:1f.2 SATA controller: Intel Corporation 82801JI (ICH10 Family) SATA AHCI Controller

uname -a
Linux finnix 2.6.30-1-amd64-finnix #1 SMP Tue Aug 4 22:38:20 PDT 2009 x86_64 GNU/Linux

egrep 'ata[0-9]\.' /var/log/dmesg
[   55.291274] ata6.00: ATA-8: WDC WD3000HLFS-01G6U4, 04.04V06, max UDMA/133
[   55.291278] ata6.00: 586072368 sectors, multi 0: LBA48 NCQ (depth 31/32)
[   55.299284] ata6.00: configured for UDMA/133

dd if=/dev/sda of=/dev/null bs=1M count=16000
16777216000 bytes (17 GB) copied, 134.407 s, 125 MB/s

dd if=/dev/zero of=/dev/sda bs=1M count=16000
16777216000 bytes (17 GB) copied, 135.462 s, 124 MB/s

parted /dev/sda mklabel msdos
parted /dev/sda mkpart p 2048s 128g
blockdev --rereadpt /dev/sda
mkfs.ext3 /dev/sda1
mount -o noatime /dev/sda1 /mnt
bonnie++ -d /mnt -u root -n 0
Version  1.96       ------Sequential Output------ --Sequential Input- --Random-
Concurrency   1     -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine        Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP  /sec %CP
finnix          12G   599  99 95169  15 52749   7  2080  99 130603   8 506.8   9

cd /tmp; http_proxy=http://proxy.gsd-software.net:8080 wget http://smp.if.uj.edu.pl/~baryluk/seeker_baryluk; chmod +x seeker_baryluk

cat /sys/block/sda/queue/scheduler
noop anticipatory deadline [cfq]
cat /sys/block/sda/device/queue_depth
31
for threads in 01 02 04 08 16 32; do echo -n "Threads: $threads "; ./seeker_baryluk /dev/sda $threads | grep Results; sleep 1; done
Threads: 01 Results: 141 seeks/second, 7.051 ms random access time (64767341 < offsets < 299892812799)
Threads: 02 Results: 160 seeks/second, 6.247 ms random access time (30559069 < offsets < 300058975328)
Threads: 04 Results: 182 seeks/second, 5.466 ms random access time (55372698 < offsets < 299988130826)
Threads: 08 Results: 230 seeks/second, 4.345 ms random access time (19120308 < offsets < 300050473004)
Threads: 16 Results: 274 seeks/second, 3.640 ms random access time (6371852 < offsets < 300002586649)
Threads: 32 Results: 314 seeks/second, 3.178 ms random access time (13561407 < offsets < 300059393542)