dmsetup remove_all wipefs -a --force /dev/sda1 mkfs -t xfs -f /dev/sda1 mkdir -p /fs/sda1 modprobe xfs mount -t xfs -o inode64 /dev/sda1 /fs/sda1 for cpu_dir in /sys/devices/system/cpu/cpu[0-9]* do online_file="$cpu_dir"/online [ -f "$online_file" ] && [ "$(cat "$online_file")" -eq 0 ] && continue file="$cpu_dir"/cpufreq/scaling_governor [ -f "$file" ] && echo "performance" > "$file" done echo '[global] bs=4k ioengine=falloc iodepth=32 size=1431655765 nr_files=1 filesize=1431655765 direct=0 runtime=300 invalidate=1 fallocate=posix io_size=1431655765 file_service_type=roundrobin random_distribution=random group_reporting pre_read=0 [task_0] rw=write directory=/fs/sda1 numjobs=96' | fio --output-format=json -