fio fio fio: Processor: Intel Xeon E5-2620 0 @ 2.00GHz (2 Cores), Motherboard: Microsoft Virtual Machine v7.0, Chipset: Intel 440BX/ZX/DX, Memory: 3968 MB + 128 MB, Disk: 43GB Virtual Disk, Graphics: Microsoft Hyper-V virtual VGA OS: Debian 7.8, Kernel: 3.2.0-4-amd64 (x86_64), File-System: ext4, System Layer: Microsoft Hyper-V Server Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better fio . 528 |==================================================================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better fio . 1540 |=================================================================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better fio . 10713 |================================================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better fio . 10282 |==================================================================