No, we need at least 2 hard disks. One is for system partition and another is for data partition. From: 周擎阳 <18245043314@163.com> Date: Wednesday, April 22, 2020 at 3:34 PM To: "starlingx-discuss@lists.starlingx.io" <starlingx-discuss@lists.starlingx.io> Subject: [Starlingx-discuss] can one huge disk work? Dear sir: In the installing guide "https://docs.starlingx.io/deploy_install_guides/r3_release/bare_metal/aio_si...", I find stx need a least 2 disks, but now that I have only one disk with 5TB, can I install stx on that single disk?