First Aid in Disk Utility, or running fsck_apfs in Terminal, return warnings or errors on one of your Mac’s volumes. Here’s what to do next.
fsck_apfs
Should you run First Aid on your Data volume before updating macOS, or as routine housekeeping? And how should you run it?
What disk checks are made in Safe mode? How are they different from those run during normal startup? If Disk Utility is to be our only APFS repair tool, shouldn’t have more and better features?
What if you want to boot your Mac using two or more different versions of macOS, with different versions of APFS? Here’s how to avoid problems.
This reference covers fsck_apfs, diskutil information, diskutil apfs, conversion of HFS+ to APFS, mount_apfs, and newfs_apfs.
Two problems undermine Disk Utility’s First Aid: it persisting bug in failing to unmount volumes to check and repair, and its default omission of containers. And errors in APFS seem to be on the rise.
How to use First Aid in Disk Utility to check and repair APFS storage, whether it’s part of your boot disk, or general storage.
When you’ve worked out which files or folders are causing errors in APFS, what can you do to ensure they don’t recur?
Disk errors threaten your data: how to detect them, how to use First Aid in Disk Utility, how to use fsck, and what to do with the disk afterward.
Disk Utility version 22.6 in Ventura 13.4 finally tackles bugs running First Aid on APFS volumes. Has it finally solved them?
