How to restore a WD DX4000 in RAID 5 with 0xD9 error?

[townes]

Sorry wrong link - the xml edits are here

Expanding DX4000 HDD List

I have recently ran into where two brand new units from WD came with HDDs that are actually not supported.  While the units ran flawlessly, when we were asked to repurpose them to another department we bagan wiping the HDDs to a clean slate to then recreate storage, and eventually install the OS from scratch using the recovery ISO.  After many head scratching frustrated hours of Invalid config, Invalid Drive Count, and a few others that I ran into only once or twice.  I finally looked into the r…