How FileVault encryption failed, apparently damaging an SSD with less than 250 hours use. And what I did to fix it.
Disk Utility
Repairing permissions on your Home folder is a blunt tool which could cause more problems. This tool looks through for potential problems, letting you fix them one file at a time.
Why we can’t repair system permissions, and some pitfalls and promise in the new technique of repairing permissions on the Home folder.
It looks like this will arrive shortly on iOS devices, with 10.3. What does it offer for Macs, and when will it ship?
Sierra sticks with the old favourites like Disk Utility, but still can’t repair permissions or keychains. A new app, Storage Management, has been added.
Recovery mode includes four basic tools, and gives you access to much more in Terminal’s command shell.
With only one bug definitely fixed in 10.11.6, out of those recorded for 10.11.5, this update looks rushed. But the jury’s still out regarding freezing.
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.
Late last year, the utility for repairing keychains quietly vanished from macOS 10.11.2. No one seems to know where its functionality went.
10.11.5 removes a bug in Disk Utility by disabling the feature to resize some partitions. That’s really helpful, isn’t it.
The Eclectic Light Company 