df df df: Processor: 2 x Intel Xeon E5-2680 v4 @ 2.40GHz (2 Cores), Motherboard: Nutanix AHV, Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 8192 MB RAM, Disk: 39GB VDISK, Network: Red Hat Virtio device OS: CentOS Linux 7, Kernel: 3.10.0-514.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1024x768, System Layer: microsoft Threaded I/O Tester 0.3.3 Test: Random Read - Size Per Thread: 32MB - Thread Count: 4 MB/s > Higher Is Better df . 4240.00 |================================================================= Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 32MB - Thread Count: 4 MB/s > Higher Is Better df . 10.88 |===================================================================