diskresult0 VirtualBox testing on Ubuntu 20.04.1 LTS via the Phoronix Test Suite. diskio performance: Processor: Intel Xeon E5-1650 v2 (4 Cores), Motherboard: Oracle VirtualBox v1.2, Memory: 20GB, Disk: 215GB VBOX HDD, Graphics: svgadrmfb OS: Ubuntu 20.04.1 LTS, Kernel: 4.15.0-139-generic (x86_64), Display Driver: svgadrmfb, Compiler: GCC 9.3.0, File-System: overlayfs, Screen Resolution: 2048x2048, System Layer: VirtualBox Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better diskio performance . 12167 |=================================================== Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better diskio performance . 2471 |==================================================== Flexible IO Tester 3.25 Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better diskio performance . 12133 |=================================================== Flexible IO Tester 3.25 Type: Random Write - Engine: Linux AIO - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better diskio performance . 61233 |=================================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better diskio performance . 13207 |=================================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: Linux AIO - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better diskio performance . 88500 |=================================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better diskio performance . 14667 |=================================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: Linux AIO - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better diskio performance . 67947 |=================================================== Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better diskio performance . 47.5 |==================================================== Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better diskio performance . 9.821 |=================================================== Flexible IO Tester 3.25 Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better diskio performance . 47.4 |==================================================== Flexible IO Tester 3.25 Type: Random Write - Engine: Linux AIO - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better diskio performance . 239 |===================================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better diskio performance . 51.6 |==================================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: Linux AIO - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better diskio performance . 345 |===================================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better diskio performance . 57.2 |==================================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: Linux AIO - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better diskio performance . 266 |=====================================================