• No, but be prepared for any of those drives failing.

    Sometimes it’s better to not have drives of the same make, model and age, as sometimes they tend to die at the same time.

  • 4 months

    Age doesn’t matter but I would be careful about raid 5 these days.

    The size of drives means the chance of another drive failing during rebuild is much higher then normal. I would go for raid 6 or raid 1.