Lab VMware testing on Debian 9.8 via the Phoronix Test Suite. Lenovo T450s: Processor: Intel Core i7-5600U @ 3.20GHz (2 Cores / 4 Threads), Motherboard: LENOVO 20BWS03F00 (JBET47WW 1.12 BIOS), Chipset: Intel Broadwell-U-OPI, Memory: 12288MB, Disk: 360GB INTEL SSDSC2BF36, Graphics: Intel HD 5500 3GB (950MHz), Audio: Intel Broadwell-U Audio, Monitor: EV2336W, Network: Intel Connection + Intel Wireless 7265 OS: ManjaroLinux 18.0.2, Kernel: 4.20.7-1-MANJARO (x86_64), Desktop: Xfce 4.12, Display Server: X Server 1.20.3, Display Driver: intel 2.99.917, OpenGL: 4.5 Mesa 18.3.2, Compiler: GCC 8.2.1 20181127, File-System: ext4, Screen Resolution: 1920x1080 FreeNAS 8x 4TB RaidZ2: Processor: 2 x Intel Xeon E3-1240 v6 (3 Cores), Motherboard: Intel 440BX (6.00 BIOS), Chipset: Intel 440BX/ZX/DX, Memory: 1 x 4096 MB DRAM, Disk: 54GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3 OS: Debian 9.8, Kernel: 4.9.0-8-amd64 (x86_64), Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1672x1254, System Layer: VMware IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better Lenovo T450s .......... 5316 |======================== FreeNAS 8x 4TB RaidZ2 . 10443 |================================================ IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better Lenovo T450s .......... 3894 |============================== FreeNAS 8x 4TB RaidZ2 . 6325 |================================================= IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better Lenovo T450s .......... 356 |================================================== FreeNAS 8x 4TB RaidZ2 . 312 |============================================ IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better Lenovo T450s .......... 338 |================================================== FreeNAS 8x 4TB RaidZ2 . 311 |============================================== IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better Lenovo T450s .......... 5722 |=========================== FreeNAS 8x 4TB RaidZ2 . 10093 |================================================ IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better Lenovo T450s .......... 354 |================================================== FreeNAS 8x 4TB RaidZ2 . 315 |============================================