test1 2 x Intel Xeon E5-2680 v2 testing with a Dell 0GFKVD and NVIDIA GeForce GT 640 on Debian 7.2 via the Phoronix Test Suite. PERC H710P: Processor: 2 x Intel Xeon E5-2680 v2 @ 2.80GHz (40 Cores), Motherboard: Dell 0GFKVD, Chipset: Intel Ivytown DMI2, Memory: 24 x 16384 MB DDR3-1600MHz, Disk: 299GB PERC H710P + 2 x 199GB PERC H710P + 4 x 1200GB PERC H710P, Graphics: NVIDIA GeForce GT 640, Network: Intel 10-Gigabit X540-AT2 OS: Debian 7.2, Kernel: 2.6.32-26-pve (x86_64), Display Driver: NVIDIA 313.30), OpenGL: 1.4, Compiler: GCC 4.7, File-System: zfs qcow2 on zfs: Processor: 2 x Intel Xeon E5-2680 v2 @ 2.80GHz (20 Cores), Motherboard: Bochs, Chipset: Intel 440FX- 82441FX PMC, Memory: 4 x 16384 MB RAM, Disk: 9GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: Ubuntu 12.04, Kernel: 3.2.0-23-generic (x86_64), File-System: ext4 qcow2 on zvol+ext4: Processor: 2 x Intel Xeon E5-2680 v2 @ 2.80GHz (20 Cores), Motherboard: Bochs, Chipset: Intel 440FX- 82441FX PMC, Memory: 4 x 16384 MB RAM, Disk: 9GB, Graphics: NVIDIA GeForce GT 640, Network: Red Hat Virtio device OS: Ubuntu 12.04, Kernel: 3.2.0-23-generic (x86_64), Display Driver: NVIDIA 313.30), OpenGL: 1.4, Compiler: GCC 4.6, File-System: ext4 zvol: Processor: 2 x Intel Xeon E5-2680 v2 @ 2.80GHz (20 Cores), Motherboard: Bochs, Chipset: Intel 440FX- 82441FX PMC, Memory: 4 x 16384 MB RAM, Disk: 9GB, Graphics: NVIDIA GeForce GT 640, Network: Red Hat Virtio device OS: Ubuntu 12.04, Kernel: 3.2.0-23-generic (x86_64), Display Driver: NVIDIA 313.30), OpenGL: 1.4, Compiler: GCC 4.6, File-System: ext4 IOzone 3.405 Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better PERC H710P ......... 3209.49 |========================================== qcow2 on zfs ....... 3085.34 |========================================= qcow2 on zvol+ext4 . 2562.17 |================================== zvol ............... 3703.29 |================================================= IOzone 3.405 Record Size: 1MB - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better PERC H710P ......... 4004.64 |================================================= qcow2 on zfs ....... 3601.75 |============================================ qcow2 on zvol+ext4 . 2805.51 |================================== zvol ............... 4031.49 |================================================= IOzone 3.405 Record Size: 1MB - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better PERC H710P . 4578.04 |========================================================= IOzone 3.405 Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better PERC H710P ......... 869.84 |=============== qcow2 on zfs ....... 2797.59 |================================================= qcow2 on zvol+ext4 . 2351.99 |========================================= zvol ............... 2567.05 |============================================= IOzone 3.405 Record Size: 4Kb - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better PERC H710P ......... 896.42 |============ qcow2 on zfs ....... 3572.01 |================================================= qcow2 on zvol+ext4 . 2422.81 |================================= zvol ............... 3328.72 |============================================== IOzone 3.405 Record Size: 4Kb - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better PERC H710P . 951.62 |========================================================== IOzone 3.405 Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better PERC H710P ......... 257.18 |================================================== qcow2 on zfs ....... 118.17 |======================= qcow2 on zvol+ext4 . 206.34 |======================================== zvol ............... 110.67 |====================== IOzone 3.405 Record Size: 1MB - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better PERC H710P ......... 328.28 |================================================== qcow2 on zfs ....... 120.53 |================== qcow2 on zvol+ext4 . 191.17 |============================= zvol ............... 113.82 |================= IOzone 3.405 Record Size: 1MB - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better PERC H710P . 346.12 |========================================================== IOzone 3.405 Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better PERC H710P ......... 207.44 |================================================== qcow2 on zfs ....... 112.05 |=========================== qcow2 on zvol+ext4 . 197.24 |================================================ zvol ............... 110.34 |=========================== IOzone 3.405 Record Size: 4Kb - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better PERC H710P ......... 290.64 |================================================== qcow2 on zfs ....... 121.46 |===================== qcow2 on zvol+ext4 . 185.06 |================================ zvol ............... 113.30 |=================== IOzone 3.405 Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better PERC H710P . 296.85 |========================================================== IOzone 3.405 Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better PERC H710P ......... 2400.26 |===================================== qcow2 on zfs ....... 3201.58 |================================================= qcow2 on zvol+ext4 . 2468.88 |====================================== zvol ............... 3143.54 |================================================ IOzone 3.405 Record Size: 64Kb - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better PERC H710P ......... 3081.41 |======================================= qcow2 on zfs ....... 3824.39 |================================================ qcow2 on zvol+ext4 . 2873.60 |==================================== zvol ............... 3884.84 |================================================= IOzone 3.405 Record Size: 64Kb - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better PERC H710P . 3580.01 |========================================================= IOzone 3.405 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better PERC H710P ......... 2962.93 |================================================ qcow2 on zfs ....... 3011.39 |================================================= qcow2 on zvol+ext4 . 2810.63 |============================================== zvol ............... 2934.51 |================================================ IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better PERC H710P ......... 545.99 |======= qcow2 on zfs ....... 3584.13 |================================================= qcow2 on zvol+ext4 . 1988.59 |=========================== zvol ............... 2531.63 |=================================== IOzone 3.405 Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better PERC H710P ......... 190.94 |============================================== qcow2 on zfs ....... 131.00 |=============================== qcow2 on zvol+ext4 . 209.63 |================================================== zvol ............... 111.66 |=========================== IOzone 3.405 Record Size: 64Kb - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better PERC H710P ......... 284.35 |================================================== qcow2 on zfs ....... 120.31 |===================== qcow2 on zvol+ext4 . 195.90 |================================== zvol ............... 115.43 |==================== IOzone 3.405 Record Size: 64Kb - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better PERC H710P . 342.34 |========================================================== IOzone 3.405 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better PERC H710P ......... 224.25 |============================================= qcow2 on zfs ....... 185.54 |===================================== qcow2 on zvol+ext4 . 250.05 |================================================== zvol ............... 99.52 |==================== IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better PERC H710P ......... 172.54 |================================== qcow2 on zfs ....... 163.37 |================================ qcow2 on zvol+ext4 . 252.05 |================================================== zvol ............... 96.84 |=================== IOzone 3.405 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better PERC H710P ......... 1803.89 |=========================== qcow2 on zfs ....... 3305.64 |================================================= qcow2 on zvol+ext4 . 2370.58 |=================================== zvol ............... 2905.28 |=========================================== IOzone 3.405 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better PERC H710P ......... 192.73 |========================================= qcow2 on zfs ....... 170.86 |==================================== qcow2 on zvol+ext4 . 237.43 |================================================== zvol ............... 98.56 |=====================