zil-test VMware testing on Ubuntu 18.04 via the Phoronix Test Suite. 8x12TB No Zil: Processor: 2 x Intel Xeon Gold 5218 @ 2.29GHz (2 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 4096MB, Disk: 17GB Virtual disk, Graphics: llvmpipe (LLVM 8.0 256 bits), Network: VMware VMXNET3 OS: Ubuntu 18.04, Kernel: 5.0.0-37-generic (x86_64), Desktop: GNOME Shell 3.28.4, OpenGL: 3.3 Mesa 19.0.2, File-System: nfs, Screen Resolution: 1501x968, System Layer: VMware IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better 8x12TB No Zil . 8141.60 |====================================================== IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better 8x12TB No Zil . 6093.11 |====================================================== IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better 8x12TB No Zil . 6720.01 |====================================================== IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better 8x12TB No Zil . 435.60 |======================================================= IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better 8x12TB No Zil . 471.05 |======================================================= IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better 8x12TB No Zil . 481.83 |=======================================================