You have divided the disk into the same partition. So you need to repartition. Repartitioning will delete the original data, which means the original system will be deleted, so you need to reinstall the system. So reinstall, choose different mount points when reinstalling, or only divide 5G when reinstalling, and divide the rest after installing.
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You have divided the disk into the same partition. So you need to repartition. Repartitioning will delete the original data, which means the original system will be deleted, so you need to reinstall the system.
So reinstall, choose different mount points when reinstalling, or only divide 5G when reinstalling, and divide the rest after installing.
You can use fdisk and mkfs to repartition. I will not copy and paste these two specific commands.