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Volume does not mount in High Sierra (10.13.x) after updating the driver
If your volume does not mount in High Sierra (10.13.x) after updating the driver.
Look in the expanded volume tile for “Disk Identifier”. It should display a number, such as disk5. If this portion of the volume tile shows a “-“, then the SoftRAID driver is not loading.
Problem: The SoftRAID driver is being blocked from loading by High Sierra. This happens because a limited version of the SoftRAID driver is bundled with macOS, and we needed to change the Developer ID used with Apple to “notarize” OWC applications so that we could merge different accounts into one Developer ID.
Solution: There is a straightforward solution for 10.13, which works 100% of the time:
Here are the steps: