How to resize partition size while the middle partition is the BIOS Boot?

Question

I used Clonezilla to restore an old system to a larger hard disk. However, when I do all my job, I found my first partition doesn't use all the disk space.

I know the method to resize the partition size by using fdisk, however, I noticed that there is a BIOS boot partition between the first partition and free space. Now I don't know how to deal with it.

So I want to ask how to expand my first partition to use most of my free space in this disk.

The second partition type is BIOS Boot, Contents: Unknown

Answer 1

I finally figure it out.

I made a live boot Linux mint USB stick, then boot into the Linux Mint on USB stick. Start the GParted, then move the /dev/sda2 to the end of the hard drive. Than expand the /dev/sda1 partition to use the free space.

Then I got this:

But be sure to back up all your data if you want to do the same thing.

Answer 2

To be sure it's used (or not used), you can :

# back it up
dd if=/dev/sda2 of=$HOME/sda2.dd

# wipe it
dd if=/dev/zero of=/dev/sda2

# reboot

If reboot goes normally, that mean the partition is not used.

You can then remove sda2 and extend sda1.