testiozon21 docker testing on Debian Linux Stretch/sid via the Phoronix Test Suite. Western Digital WD5000AAKX-7: Processor: Intel Core i3-3240T @ 2.90GHz (4 Cores), Motherboard: Dell 0YXG0N, Memory: 4096MB, Disk: 500GB Western Digital WD5000AAKX-7, Audio: Realtek ALC662 rev3 OS: Debian Linux Stretch/sid, Kernel: 4.8.0-36-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: overlayfs, Screen Resolution: 1600x900, System Layer: docker IOzone 3.465 Record Size: 1MB - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better Western Digital WD5000AAKX-7 . 77.16 |========================================= IOzone 3.465 Record Size: 1MB - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better Western Digital WD5000AAKX-7 . 81.37 |=========================================