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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.

Diagnosis:
Run SoftRAID.
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:

Temporarily disable SIP (System Integrity Protection) Reinstall the SoftRAID driver

After all is working, re-enable SIP again.

Here are the steps:

Startup into internet recovery mode (hold keys command r at startup) in the terminal, paste in this command: csrutil disable

Then enter reboot into terminal, or restart from Apple menu

After your system restarts, launch SoftRAID.

Click on the volume tile for your startup volume. From the volumes menu “Reinstall SoftRAID driver”

When the driver updates, the system needs to restart. Startup into internet recovery mode (hold keys command r at startup)

Then open terminal and enter this: csrutil enable

Then enter reboot into terminal, or restart from Apple menu

Last Updated OnApril 1, 2021