Dec 14, 9:23 AM

Critical (teevee! movies!) USB drive suddenly unavailable. Disk Utility's First Aid no help. This Medium article was the first search result on command-line disk util stuff. (sort-of an ad for his employer, but genuinely useful).

diskutil list

screenshot of diskutil list command

diskutil repairVolume [diskvolume identifier]

screenshot of diskutil repairVolume command

Pretty basic but I'd never needed to repairVolume from the CL.

  • diskutil
  • mac os
  • usb drive