Dell R720 ESXi 6.7 Disk Performance Running pts/iozone-1.9.5 via the Phoronix Test Suite. RAID10 8 Disks Thin Provisioned: Processor: Intel Xeon E5-2660 0 @ 2.20GHz (1 Core), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 1 x 8192 MB DRAM, Disk: 43GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3 OS: Ubuntu 18.04, Kernel: 4.18.0-15-generic (x86_64), Desktop: GNOME Shell 3.28.3, Display Server: X Server splash, OpenGL: 3.3 Mesa 18.2.8, File-System: ext4, Screen Resolution: 800x600, System Layer: VMware RAID5 5 Disks Thin Provisioned: Processor: Intel Xeon E5-2609 0 @ 2.40GHz (1 Core), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 1 x 8192 MB DRAM, Disk: 43GB Virtual disk, Graphics: llvmpipe (LLVM 7.0 256 bits), Network: VMware VMXNET3 OS: Ubuntu 18.04, Kernel: 4.18.0-15-generic (x86_64), Desktop: GNOME Shell 3.28.3, Display Server: X Server splash, OpenGL: 3.3 Mesa 18.2.8, File-System: ext4, Screen Resolution: 800x600, System Layer: VMware IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better RAID10 8 Disks Thin Provisioned . 2737.10 |==================================== RAID5 5 Disks Thin Provisioned .. 2566.34 |================================== IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better RAID10 8 Disks Thin Provisioned . 2311.15 |==================================== RAID5 5 Disks Thin Provisioned .. 1551.67 |======================== IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better RAID10 8 Disks Thin Provisioned . 449.20 |===================================== RAID5 5 Disks Thin Provisioned .. 387.57 |================================ IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better RAID10 8 Disks Thin Provisioned . 394.33 |===================================== RAID5 5 Disks Thin Provisioned .. 338.59 |================================ IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better RAID10 8 Disks Thin Provisioned . 2890.26 |================================== RAID5 5 Disks Thin Provisioned .. 3039.41 |==================================== IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better RAID10 8 Disks Thin Provisioned . 484.49 |===================================== RAID5 5 Disks Thin Provisioned .. 409.96 |===============================