hdparam $ hdparm -tT /dev/mapper/vg_00-lv_root /dev/mapper/vg_00-lv_root: Timing cached reads: 15752 MB in 1.99 seconds = 7920.19 MB/sec Timing buffered disk reads: 602 MB in 3.01 seconds = 200.17 MB/sec fio [global] ioengine=libaio iodept…