Q: How can I fix my drive / RAID array failing to mount after a power outage or similar, major crash? It was working great for months and now it just shows “ERROR - RETRY” or stops / freezes during boot.
A: You should expect the unexpected and safeguard your equipment in such way that a situations like this will never happen. Avoid opening the case / cover while the server is running and consider getting a UPS to guard against power problems. Make sure your backups are up to date. After that, please read Q: How can I fix file system damage that prevents me from mounting my UFS formatted drive?