dmsetup remove_all wipefs -a --force /dev/sda1 mkfs -t xfs /dev/sda1 mkdir -p /fs/sda1 mount -t xfs -o nobarrier,inode64 /dev/sda1 /fs/sda1 for file in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor do echo performance > $file done echo '[global] bs=4M ioengine=sync iodepth=32 size=137438953472 direct=0 runtime=300 invalidate=1 fallocate=posix group_reporting [task_0] rw=randwrite directory=/fs/sda1 numjobs=1' | fio --output-format=json -