File System Corruption (FSC) - Mac Format

File System Corruption on Mac

File System Corruption (FSC) is usually identified by a drive behaving irregularly. Not mounting, freezing, slow transfers, etc. 

 

Here are a couple of articles addressing the symptoms and the potential causes and how to fix it on a Mac:

 

How to Fix a Corrupted Hard Drive on Mac: Proven Methods

 

How to Repair Disk and File System Problems on Your Mac

 

Alternatively, if your external Glyph device has an HDD inside and not an SSD, and is formatted Mac OS Extended Journaled, Glyph recommends Disk Warrior from Alsoft, which can repair file system corruption on your Glyph device: 

 

ALSOFT - Makers of DiskWarrior