Your disk’s journal aims to prevent disk errors which can occur after a crash. Here’s how to use it to protect your Mac’s data.
HFS+
Why is the new Apple File System called APFS? And what does it all mean? Decoding WWDC.
Disk Utility has a bug which can waste a lot of time trying to re-partition drives, and HFS+ creaks horribly.
Do third-party disk tools work with Fusion Drives, or are you stuck with just Disk Utility?
If you are running Yosemite or El Capitan, OS X may have changed the way that your boot disk is managed – and how you can maintain and repair it.
Moving files between different file systems can trip you up, because of different requirements for naming.
ZFS looks like being one of the biggest missed opportunities in computing. But it is still almost sexy.
The Eclectic Light Company 