diskspeed Running pts/iozone-1.9.5 via the Phoronix Test Suite. fc: Processor: 8 x Intel Xeon X5660 @ 2.80GHz (8 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 8192MB, Disk: 17GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3 OS: Ubuntu 18.04, Kernel: 4.15.0-52-generic (x86_64), File-System: ext4, Screen Resolution: 1176x885, System Layer: VMware host 26 das: Processor: 8 x Intel Xeon X5660 @ 2.80GHz (8 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 8192MB, Disk: 17GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3 OS: Ubuntu 18.04, Kernel: 4.15.0-52-generic (x86_64), File-System: ext4, Screen Resolution: 1176x885, System Layer: VMware IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better fc .......... 4529.30 |======================================================== host 26 das . 2922.56 |==================================== IOzone 3.465 Record Size: 1MB - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better fc .......... 4138.17 |======================================================== host 26 das . 2933.20 |======================================== IOzone 3.465 Record Size: 1MB - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better fc .......... 298.08 |========================================================= host 26 das . 183.45 |=================================== IOzone 3.465 Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better fc .......... 2037.81 |======================================================== host 26 das . 1540.70 |========================================== IOzone 3.465 Record Size: 4Kb - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better fc .......... 1938.29 |======================================================== host 26 das . 1600.66 |============================================== IOzone 3.465 Record Size: 4Kb - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better fc .......... 211.93 |================================================== host 26 das . 240.37 |========================================================= IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better fc .......... 126.29 |======================================================= host 26 das . 130.12 |========================================================= IOzone 3.465 Record Size: 1MB - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better fc .......... 127.35 |====================================================== host 26 das . 134.88 |========================================================= IOzone 3.465 Record Size: 1MB - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better fc .......... 132.02 |=================================================== host 26 das . 148.03 |========================================================= IOzone 3.465 Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better fc .......... 125.68 |========================================================= host 26 das . 126.24 |========================================================= IOzone 3.465 Record Size: 4Kb - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better fc .......... 129.08 |=================================================== host 26 das . 142.98 |========================================================= IOzone 3.465 Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better fc .......... 131.77 |=================================================== host 26 das . 147.93 |========================================================= IOzone 3.465 Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better fc .......... 4520.62 |======================================================== host 26 das . 2956.72 |===================================== IOzone 3.465 Record Size: 64Kb - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better fc .......... 5178.63 |======================================================== host 26 das . 3118.63 |================================== IOzone 3.465 Record Size: 64Kb - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better fc .......... 224.86 |================================================= host 26 das . 260.04 |========================================================= IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better fc .......... 3433.38 |======================================================== host 26 das . 2729.51 |============================================= IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better fc .......... 1800.40 |======================================================== host 26 das . 1422.41 |============================================ IOzone 3.465 Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better fc .......... 128.07 |======================================================= host 26 das . 132.66 |========================================================= IOzone 3.465 Record Size: 64Kb - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better fc .......... 129.63 |======================================================= host 26 das . 135.43 |========================================================= IOzone 3.465 Record Size: 64Kb - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better fc .......... 132.65 |=================================================== host 26 das . 149.04 |========================================================= IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better fc .......... 127.08 |============================================ host 26 das . 163.05 |========================================================= IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better fc .......... 123.86 |============================================ host 26 das . 161.06 |========================================================= IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better fc .......... 3629.23 |======================================================== host 26 das . 2918.85 |============================================= IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better fc .......... 128.38 |========================================= host 26 das . 176.58 |=========================================================