Enable and Disable Journaling On EXT4 File Systems In Linux

Enable and Disable Journaling On File Systems In Linux

When you want to improve performance on a Linux server. We can try to disable and enable the journaling on the ext4 file system. We can turn on and check journalctl log file location in Linux. log journal file

Note: Keep backup before playing with the file system.

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Step 1: Unmount the file system partition where you want to apply it. let’s say, I have an ext4 file system mounted on /var/data with /dev/sda1.

umount /var/data

Step 2: Now Disable journaling for the system. We can use the below command.

tune4fs -O ^has_journal /dev/sda1


tune2fs -O ^has_journal /dev/sda1

if Command not found, then install using yum install e2fsprogs e4fsprogs.

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Step 3: Once the above task completed. We will perform a system check using e4fsck -f /dev/sda1

Step 4: Restart the Linux machine using shutdown -r now

we can use this command to create mkfs.ext4 -O ^has_journal /dev/sda1

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Step 5: it’s time to verify the journaling disabled using dmesg | grep EXT4

Note: Expected output similar to EXT4-fs (dm-3): mounted filesystem without journal. log journal file

df -h

You’re done disable journaling ext4 log journal file Linux check journalctl

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I'm the founder of Curious Viral. I hope this blog will provide you complete information about Linux Technology & I would like to share my technical knowledge with you which I have learned during this period.

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