- Virtual machine performance is slow.
- Task Manager shows 100% usage in a Disk tab.
The issue is specific to the ExFAT driver implementation and its interactions with USB hardware.
Format the SSD drive to the Mac OS X Extended file system (HFS+):
Note:Verify, that any data on the drive was backed up, as formatting will erase all data on the drive.
- Open Disk Utility and select the connected external drive.
Go to Erase menu.
Select OS X Extended (Journaled) file system from the Format dropdown menu.
- Click Erase.