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[Hamdy Khader <1792313@xxxxxxxxxxxxxxxxxx>]

** Also affects: nova
   Importance: Undecided
       Status: New

** Changed in: nova
       Status: New => In Progress

** Changed in: nova
     Assignee: (unassigned) => Hamdy Khader (hamdyk)

** Changed in: os-brick
       Status: Fix Committed => In Progress

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https://bugs.launchpad.net/bugs/1792313

Title:
  Only one NVMe connection may be functional on Compute node

Status in OpenStack Compute (nova):
  In Progress
Status in os-brick:
  In Progress

Bug description:
  Only one NVMe connection is active and working properly on the same Compute.
  When I try to attach second volume to 2nd VM on the same Compute node, the operation fails.

  Nova log shows error when executing "nvme list" (exit code non-zero)

  Reproduction:
  1. Deploy tripleO master on 3 nodes
  - 1st host: Controller and NVMf target as cinder backend 
  - 2nd and 3rd host: Compute nodes
  2. Spawn VM-1, create volume and attach volume to VM-1
  3. Spawn 2nd VM-2 on the same compute node, create new volume and attach the volume to VM-2.

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