maxr partitions seem to be unaligned with a stock install of ubuntu 11.04. AF HDD WD10EARS. 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 IOzone 3.347 Record Size: 4Kb - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better 11.04 stock-install . 116.08 |================================================= IOzone 3.347 Record Size: 4Kb - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better 11.04 stock-install . 5964.01 |================================================