GLUSTER_ZFS_AIO_IOZONE Some different test for write performance GLUSTER_ZFS_WRITE: Processor: Intel Xeon X5450 @ 2.99GHz (2 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 3072MB, Disk: 16GB Virtual disk + 4GB Virtual disk, Graphics: LLVMpipe, Network: VMware VMXNET3 OS: Ubuntu 12.04, Kernel: 3.5.0-47-generic (x86_64), Desktop: GNOME 3.2.1, Display Server: X Server 1.13.0, Display Driver: vmware 12.0.2, OpenGL: 2.1 Mesa 9.0.3 Gallium 0.4, Compiler: GCC 4.6.3, File-System: fuseblk, Screen Resolution: 1280x800, System Layer: VMware AIO-Stress 0.21 Test: Random Write MB/s > Higher Is Better GLUSTER_ZFS_WRITE . 17.90 |==================================================== IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better GLUSTER_ZFS_WRITE . 47.65 |====================================================