AF HDD alignment results Running pts/postmark-1.0.0, pts/iozone-1.7.0, pts/unpack-linux-1.0.0, pts/hdparm-read-1.0.0, pts/aio-stress-1.1.0. 11.04 stock-install: Processor: Intel Pentium G620T @ 2.20GHz (2 Cores), Motherboard: ASUS P8H67-M PRO, Chipset: Intel 2nd Generation Core Family, Memory: 7680MB, Disk: 1000GB Western Digital WDC WD10EARS-00Y, Graphics: Intel 2nd Generation Core Family IGP 256MB, Audio: Realtek ALC892, Monitor: IPS236 OS: Ubuntu 11.04, Kernel: 2.6.38-8-generic (x86_64), Desktop: Unity 3.8.10, Display Server: X Server 1.10.1, Display Driver: intel 2.14.0, Compiler: GCC 4.5.2, File-System: ext4, Screen Resolution: 1920x1080 11.04 manual-partitioning: Processor: Intel Pentium G620T @ 2.20GHz (2 Cores), Motherboard: ASUS P8H67-M PRO, Chipset: Intel 2nd Generation Core Family, Memory: 7680MB, Disk: 1000GB Western Digital WDC WD10EARS-00Y, Graphics: Intel 2nd Generation Core Family IGP 256MB, Audio: Realtek ALC892, Monitor: IPS236 OS: Ubuntu 11.04, Kernel: 2.6.38-8-generic (x86_64), Desktop: Unity 3.8.10, Display Server: X Server 1.10.1, Display Driver: intel 2.14.0, Compiler: GCC 4.5.2, File-System: ext4, Screen Resolution: 1920x1080 PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better 11.04 stock-install ....... 3437 |============================================= 11.04 manual-partitioning . 3125 |========================================= IOzone 3.347 Record Size: 1MB - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better 11.04 stock-install ....... 114.61 |========================================== 11.04 manual-partitioning . 118.48 |=========================================== Unpacking The Linux Kernel linux-2.6.32.tar.bz2 Seconds < Lower Is Better 11.04 stock-install ....... 18.07 |=========================================== 11.04 manual-partitioning . 18.33 |============================================ hdparm Timed Disk Reads Disk To Read: /dev/sda2 MB/s > Higher Is Better 11.04 stock-install ....... 94.74 |========================================= 11.04 manual-partitioning . 100.12 |=========================================== AIO-Stress 0.21 Test: Random Write MB/s > Higher Is Better 11.04 stock-install ....... 27.64 |=============== 11.04 manual-partitioning . 81.67 |============================================