are dumped in one of the volume while the other volume is solely used for the purpose of blogging and testing apps. However, we have our reasons to partition the hard drive.įor instance, I divided my HDD into three separate volumes with Snow Leopard installed on one, Mac OS X Lion installed on the second, and the third one is used as a backup clone. Dividing the iMac’s Hard Disk Drive (HDD) into discrete sections of different sizes is not something a lot of us enjoy to do.