I converted an older #HP #DL380 Gen8 (aka a StoreOnce 2900) from using a hard #RAID controller to an HBA for software RAID. The conversion is simple, but the video is long af because I spend a lot of time discussing the "why" more than the "how".
If you want to hear yet more tangential ranting that I cut from this video, observe this:
https://youtu.be/FFiX3agOUk0
"RAID TCO Rant (or Why I Used 4TB Drives in a Backup Server)"
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https://www.youtube.com/watch?v=58nsCguqjRs