dmsetup remove_all wipefs -a --force /dev/sdc1 mkfs -t ext4 -q -F /dev/sdc1 mkdir -p /fs/sdc1 mount -t ext4 /dev/sdc1 /fs/sdc1 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 cd /fs/sdc1 sysbench fileio --events=0 --threads=128 --time=600 --file-test-mode=seqwr --file-total-size=68719476736 --file-io-mode=sync --file-num=1024 run