One of those posts for myself in case I need to come back to this later

I have a new PC which is very fast apart from problems with disc access seeming slow (and the disks being physically noisy)

The following related links led me to try a solution

I’ve had too many hard disk failures over the years and decided to use RAID to ensure that all my photos, email and work are always copied to two disks so that if any one of them fails I don’t lose anything.