jgrw512-4 ext4 partition > Virtual machine > ext4 partition > LVM vmExt4-lvm: Processor: 4 x Westmere E56xx/L56xx/X56xx (Nehalem-C) @ 3.41GHz (4 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996), Chipset: Intel 440FX- 82441FX PMC, Memory: 4096MB, Disk: 85GB, Graphics: LLVMpipe, Audio: QEMU ID 22, Network: Red Hat Virtio device OS: Ubuntu 15.10, Kernel: 4.2.0-34-generic (x86_64), Desktop: KDE Frameworks 5, Display Server: X Server 1.17.2, Display Driver: modesetting 1.17.2, OpenGL: 3.0 Mesa 11.0.2 Gallium 0.4, Compiler: GCC 5.2.1 20151010, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM vmExt4-lvm-run2: Processor: 4 x Westmere E56xx/L56xx/X56xx (Nehalem-C) @ 3.41GHz (4 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996), Chipset: Intel 440FX- 82441FX PMC, Memory: 4096MB, Disk: 85GB, Graphics: LLVMpipe, Audio: QEMU ID 22, Network: Red Hat Virtio device OS: Ubuntu 15.10, Kernel: 4.2.0-34-generic (x86_64), Desktop: KDE Frameworks 5, Display Server: X Server 1.17.2, Display Driver: modesetting 1.17.2, OpenGL: 3.0 Mesa 11.0.2 Gallium 0.4, Compiler: GCC 5.2.1 20151010, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better vmExt4-lvm ...... 4358.42 |==================================================== vmExt4-lvm-run2 . 4003.87 |================================================ IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better vmExt4-lvm ...... 70.90 |====================================================== vmExt4-lvm-run2 . 71.43 |======================================================