How To Add Delete And Resize Your Mac Drive Without Erasing It First
This article explains how to resize an existing volume without losing your data as well as how to add and delete partitions. Instructions apply to Mac OS X Leopard (10.5.8) and later. What to Know Resize volume: Go to Disk Utility > select volume > Partition. In pie chart, select volume > Delete > Apply.Add partition: Disk Utility > select volume > Partition > Partition > Add > enter name and specs....