they are both BRAND NEW 6TB WD Reds!
You're not having much luck are you?!
We're running 4x 6TB reds at work but they are attached to a P420 instead of the integrated controller.
I think at this point I'd be doing a full BIOS reset (including RAID controller) and starting a fresh.
But can I do this without reinstalling the OS?
I think at this point I'd be doing a full BIOS reset (including RAID controller) and starting a fresh.
How are you connecting the pairs of drives? You will want identical drives in 1+2 or 3+4 (if RAIDing both pairs), remember that only ports 1-2 are 6Gb, while the 3-4 are 3Gb. Which OS and what version of the RAID drivers are you using?
Also worth checking the connectors on the back of the 4 slots, some people have had issues with loose connections.
Try to diagnose a single thing at a time. One drive in one slot, as RAID 0. See how it tests, then try two drives in RAID 1 in ports 1/2 or 3/4.
Hey ho! The server will only boot from port 1 if there are other drives in the other bays (or at least 1). So min config is OS port 1, storage drive port 2.
Seems to boot OK with 480GB SSD "perched" in bay 1 and 2 x 3 GB drives (bay 2, 3). Let's see what happens when it sits there all night?