ext4 disable journal

At one high loaded web project I needed a very fast file system. I decided to use Ext4 with disabled journal (As a google:))).

# Create ext4 fs on /dev/sda10 disk

mkfs.ext4 /dev/sda10

# Enable writeback mode. This mode will typically provide the best ext4 performance.

tune2fs -o journal_data_writeback /dev/sda10

# Delete has_journal option

tune2fs -O ^has_journal /dev/sda10

# Required fsck

e2fsck -f /dev/sda10

# Check fs options

dumpe2fs /dev/sda10 |more

For more performance add fstab opions: data=writeback,noatime,nodiratime

i.e:

/dev/sda10 /opt ext4 defaults,data=writeback,noatime,nodiratime 0 0

Tested at non-boot partition ;)