While drives are sold as plug-and-play, formatting prior to use will give you optimal performance and compatibility with your Mac.
If partitioning a drive with Disk Utility gives you unmount or resource busy errors, there may be workarounds you can use.
If you have a specific volume on your Mac that you would like to keep from being edited when attached, here's how to protect it.
If your system hangs when going into Safe Mode, or will not load into Safe Mode at all, there are a couple of things you can do to fix the situation.
If you've wanted ZFS and OpenGL 4.3 support in OS X, now may be your chance to request it from Apple.
Older hard-drive enclosures may be limited in the size of drive they can present to your system.
The CoreStorage volume manager behind Apple's Fusion Drive can be used to create your own spanned volumes in any Mac running Lion or later.
Apple's new hybrid drive offers great benefits, but a few drawbacks for some setups.
The drive offers USB 3.0 and supports Time Machine out of the box.
When the setting to ignore permissions on secondary hard drives keeps toggling off, blocking access, here's what to try.