I have 3 4TB drives in a raid array, I used the raid utility to initalize the array. It took almost 3 days to finish initalizing. I then used windows disk management to initalize it as GPT. I began to copy almost 5TB of data to it and it was doing fine. when it was done copying I rebooted the computer for windows updates. When it was done rebooting I went into file explorer and the array was gone. I checked in windows management and the initalize drive dialogue box came up and the drive was unallocated. Any ideas why this would happen?