dellr720-sas3-dec2021 KVM testing on Ubuntu 20.04 via the Phoronix Test Suite. HDD Raid10 NFS defaults: Processor: Intel Xeon E5-2650 v2 (16 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 16GB, Disk: 34GB QEMU HDD, Graphics: bochs-drmdrmfb, Monitor: QEMU Monitor, Network: Red Hat Virtio device OS: Ubuntu 20.04, Kernel: 5.4.0-91-generic (x86_64), Vulkan: 1.0.2, Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM HDD Raid10 NFS defaults with zil: Processor: Intel Xeon E5-2650 v2 (16 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 16GB, Disk: 34GB QEMU HDD, Graphics: bochs-drmdrmfb, Monitor: QEMU Monitor, Network: Red Hat Virtio device OS: Ubuntu 20.04, Kernel: 5.4.0-91-generic (x86_64), Vulkan: 1.0.2, Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM HDD Raid10 NFS defaults with partial zil: Processor: Intel Xeon E5-2650 v2 (16 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 16GB, Disk: 34GB QEMU HDD, Graphics: bochs-drmdrmfb, Monitor: QEMU Monitor, Network: Red Hat Virtio device OS: Ubuntu 20.04, Kernel: 5.4.0-91-generic (x86_64), Vulkan: 1.0.2, Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better HDD Raid10 NFS defaults with zil ......... 2967.86 |=========================== HDD Raid10 NFS defaults with partial zil . 2974.96 |=========================== IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better HDD Raid10 NFS defaults with zil ......... 1315.87 |=========================== HDD Raid10 NFS defaults with partial zil . 1246.00 |========================== IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better HDD Raid10 NFS defaults with zil ......... 86.26 |============================= HDD Raid10 NFS defaults with partial zil . 84.22 |============================ IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better HDD Raid10 NFS defaults with zil ......... 86.12 |============================= HDD Raid10 NFS defaults with partial zil . 75.52 |========================= IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better HDD Raid10 NFS defaults with zil ......... 3084.01 |=========================== HDD Raid10 NFS defaults with partial zil . 2949.93 |========================== IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better HDD Raid10 NFS defaults with zil ......... 88.41 |============================= HDD Raid10 NFS defaults with partial zil . 87.54 |=============================