Looking for early RAID docs

[Trieste]

Hi All,

I'm trying to figure out whether Thinking Machines or Micropolis or someone else was first to put RAID in the field. I'm trying to find docs from 1987 for the above; both have claimed RAID products in that time frame. There was another company called something like "Array Technology" that may also have something out in 1987 or so.

Any responses appreciated.

Thanks