create-fast-ext4-disk.sh

#!/bin/bash

# ext4 disable journal

# Create ext4 fs 
mkfs.ext4 /dev/sda2

# Enable writeback mode. This mode will typically provide the best ext4 performance.
tune2fs -o journal_data_writeback /dev/sda2

# Delete has_journal option
tune2fs -O ^has_journal /dev/sda2

# Required fsck
e2fsck -f /dev/sda2

# Check fs options
dumpe2fs /dev/sda2 |more

# For more performance add fstab opions: data=writeback,noatime,nodiratime
echo "/dev/sda2 /opt ext4 defaults,data=writeback,noatime,nodiratime 0 0" >> /etc/fstab