Unable to hot swap nvme device in NVIDIA DGX-2 server.

Solution Verified - Updated -

Issue

  • NVMe disk is not detected back after hot swapping in NVIDIA DGX-2 server.
  • When attempting to test HOT swapping with Samsung NVMe devices on RHEL-7.6 and RHEL-8, we have not been able to successfully get a newly inserted drive to work without rebooting the server.

Environment

  • Red Hat Enterprise Linux 7.6 (RHEL)
  • Red Hat Enterprise Linux 8
  • NVIDIA DGX-2
    • Samsung Electronics Co Ltd NVMe SSD Controller SM981/PM981 [144d:a808] (prog-if 02 [NVM Express])

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