RAID Setup

RAID Controller: HighPoint RocketRAID 3510
RAID Level: RAID10 64K
Disks: 4 x Western Digital Caviar Black 750 GB
Cache Policy: Write-Back
Read Ahead: Enabled
Write Cache: Enabled
NCQ: Enabled

RAID Performance

dd if=/dev/sda of=/dev/null bs=1M count=16000
16777216000 bytes (17 GB) copied, 88.9582 s, 189 MB/s
dd if=/dev/zero of=/dev/sda bs=1M count=16000
16777216000 bytes (17 GB) copied, 90.427 s, 186 MB/s

mkfs.ext3 -b 4096 -E stride=16 -E stripe-width=32 /dev/sda1
mount -o noatime /dev/sda1 /mnt
bonnie++ -u root -f -n 0 -r 8000 -d /mnt
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          16G           129800  26 68382  11           184734  10 557.5  11
Latency                         708ms     311ms               376ms     570ms