I'm currently running a Supermicro 1U server, with a X7DBU motherboard. When I boot up into RAID utility, I can either use ESB2, or Adaptec. Either way, The 3TB HDD (SATA) I put into it, is read as a 750GB drive. The server runs ESXi 5.5, and it sees (instead of 3TB) a 2TB, and 1TB in place. I can effectively still use the HDD, but my intention is to use 3x 3TB SATA drives for a RAID 5 storage.

Is there any way for me to update the system so that it will see the full 3TB?

  • I can't answer your question as it is. But I can offer an alternative in case you don't find an answer: install a third-party RAID card. This is what I do on my supermicro 1u servers and workstations. – Michael Martinez Apr 14 '14 at 23:43
  • Have you updated your BIOS? – Michael Hampton Apr 15 '14 at 0:14

I talked to a SuperMicro tech who said you need a 3rd party raid card. I know this because I have the exact same board, with the same problem.

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