This tutorial belongs to the data disk expansion [non-system disk] default directory /dev/sdb

First uninstall the data disk if it is already mounted. Or enter the directory to delete

Vi /dev/fstab

After the command

Delete

/dev/sdb1 /www ext4 defaults 0 0

This entire line of code.

Then save and exit, restart the system.

Partition operation after restarting the system

Follow the command below

Fdisk /dev/sdb

Press the regional command. You can simply press Enter without content in the middle.

After the completion. Input

E2fsck -f /dev/sdb1 #This command belongs to the check file system.

After waiting for the end

Resize2fs /dev/sdb1 #This command is resized.

This means the change is over.

The last step is to remount.

Direct input

Mount /dev/sdb1 /www

Then at the input

Echo "/dev/sdb1 /www ext4 defaults 0 0" >> /etc/fstab

End.

This data disk has been expanded.

Since it is a simple command operation, no screenshots are attached.

If you don't understand anything, you can submit a work order.