If not sure, following command will remind you about existing drives and partitions on them: $~: sudo blkid At this step you already know what names your new partition(-s) have. Use the partition you identified in the previous step and type :~$ mkfs.ext4 /dev/sdb1Īfter you are done creating your partitions (most likely it will be just one ext4 data partition, since this is your additional storage drive), you need to permanently mount it.