I just registered to say thanks for saving my 8 recently bought Seagate 4TB SAS disks (previously DKS2E-H4R0SS and later ST4000NM0023 after firmware downgrade/upgrade) that refused to work with my HBA - could not partition, format, basically use them - console threw constantly the errors you described before. None of my 8 disks' serial's worked in Seagate page in order to find a firmware upgrade available but the serial from the third picture I tried from ebay's units granted me a ticket to firmware download heaven
for future reference #Z1Z5WH52.
It worked for me but it's not guaranteed it might work for others. Use it at your own risk!
Again thank you for this amazing information!