: A specific version for iOS 12–14.8, available through merchants like eBay for about $118.43. Verified Software for JBOD Storage Recovery

: An open-source tool primarily used to recover lost partitions and fix partition tables. It is often the first step for repairing unreadable disks. Built-in System Tools

: If your JBOD is managed via Windows Server, you can use built-in tools to "Repair Virtual Disk" which copies data to healthy available space in the pool.

If the issue is individual drive health (bad sectors), use official manufacturer utilities: