For a while now my laptop has been running *extremely* slowly. Recently it got worse and about every other startup would just freeze until I forcibly powered down and tried again.
I ran Apple’s Disk Utility and told it to check the error messages from the drive’s internal SMART systems: “this drive is verified”. I groused and left it for a while, but performance continued to suck and the whole thing was making me nervous. I told Disk Utility to check again: still no SMART errors from the drives, but this time it found some mis-set permissions. Louder alarm bells went off in the chaos of my mind, so I refreshed a SuperDuper! clone of the drive and over the weekend I ran Disk Warrior to attempt to save the drive, using whatever arcane magicks it employs to do these things. Success! The drive was rebuilt! I had Dodged A Bullet™, all was good in the world, and I went back to mildly grumbling about performance.
Then the laptop failed to boot again. Continue reading Trust your gut, also use SMART Utility