p420i
KVM testing on Ubuntu 19.10 via the Phoronix Test Suite.


raid10: 

	Processor: Common KVM (8 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 8GB, Disk: 32GB, Graphics: bochs-drmdrmfb, Monitor: QEMU Monitor, Network: Red Hat Virtio device

	OS: Ubuntu 19.10, Kernel: 5.3.0-40-generic (x86_64), Compiler: GCC 9.2.1 20191008, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM

proxmox write through cache: 

	Processor: Common KVM (8 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 8GB, Disk: 32GB, Graphics: bochs-drmdrmfb, Monitor: QEMU Monitor, Network: Red Hat Virtio device

	OS: Ubuntu 19.10, Kernel: 5.3.0-40-generic (x86_64), Compiler: GCC 9.2.1 20191008, 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
raid10 ...................... 2946.23 |=======================================
proxmox write through cache . 3004.10 |========================================


IOzone 3.465
Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance
MB/s > Higher Is Better
raid10 ...................... 1526.32 |========================================
proxmox write through cache . 1428.50 |=====================================


IOzone 3.465
Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
raid10 ...................... 392.95 |=========================================
proxmox write through cache . 197.97 |=====================


IOzone 3.465
Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
raid10 ...................... 237.76 |=========================================
proxmox write through cache . 150.41 |==========================


IOzone 3.465
Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance
MB/s > Higher Is Better
raid10 ...................... 2851.44 |========================================
proxmox write through cache . 2885.89 |========================================


IOzone 3.465
Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
raid10 ...................... 380.16 |=========================================
proxmox write through cache . 155.39 |=================