vps Xen HVM domU 4.11.1-7.8.xcpng8.0 testing on Ubuntu 18.04 via the Phoronix Test Suite. r620-raid6: Processor: 2 x Intel Xeon E5-2620 0 (2 Cores), Motherboard: Xen HVM domU (4.11.1-7.8.xcpng8.0 BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 4096MB, Disk: 55GB, Graphics: EFI VGA OS: Ubuntu 18.04, Kernel: 4.15.0-74-generic (x86_64), Compiler: GCC 7.4.0, File-System: ext4, Screen Resolution: 800x600, System Layer: Xen HVM domU 4.11.1-7.8.xcpng8.0 IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better r620-raid6 . 5144.67 |========================================================= IOzone 3.465 Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better r620-raid6 . 2351.32 |========================================================= IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better r620-raid6 . 108.59 |========================================================== IOzone 3.465 Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better r620-raid6 . 103.35 |========================================================== IOzone 3.465 Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better r620-raid6 . 5247.80 |========================================================= IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better r620-raid6 . 5343.86 |========================================================= IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better r620-raid6 . 2303.59 |========================================================= IOzone 3.465 Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better r620-raid6 . 103.95 |========================================================== IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better r620-raid6 . 154.56 |========================================================== IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better r620-raid6 . 148.25 |========================================================== IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better r620-raid6 . 5219.25 |========================================================= IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better r620-raid6 . 148.82 |==========================================================