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[OpenStack Infra <1894022@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.opendev.org/749628
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=a8b0c6b456a9afdbdfab69daf8c0d3685f8e3084
Submitter: Zuul
Branch:    master

commit a8b0c6b456a9afdbdfab69daf8c0d3685f8e3084
Author: zhangbailin <zhangbailin@xxxxxxxxxx>
Date:   Thu Sep 3 11:03:04 2020 +0800

    Add note and daxio version to the vPMEM document
    
    Make the spec of virtual persistent memory consistent with
    the contents of the admin manual, update the dependency of virtual
    persistent memory about daxio, and add NOTE for the tested kernel
    version.
    
    Closes-Bug: #1894022
    
    Change-Id: I30539bb47c98a588b95c066a394949d60af9c520


** Changed in: nova
       Status: In Progress => Fix Released

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

** Changed in: nova/ussuri
     Assignee: (unassigned) => Brin Zhang (zhangbailin)

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https://bugs.launchpad.net/bugs/1894022

Title:
  Some package or kernel version of virtual persistent memory
  restrictions is not consistent

Status in OpenStack Compute (nova):
  Fix Released
Status in OpenStack Compute (nova) train series:
  New
Status in OpenStack Compute (nova) ussuri series:
  In Progress

Bug description:
  [1] and [2] have the different requirement of the dependencies.

  In [1] required:

    - Kernel version >= 4.2
    - QEMU version >= 2.9.0
    - Libvirt version >= 5.0.0
    - ndctl version >= 4.7
    - daxio version >= 1.6

  In [2] required:

    - Linux Kernel version >= 4.18 with the following modules loaded:
      dax_pmem, nd_pmem, device_dax, nd_btt
    - QEMU version >= 3.1.0
    - Libvirt version >= 5.0.0
    - ndctl version >= 62

  [1]https://specs.openstack.org/openstack/nova-specs/specs/train/implemented/virtual-persistent-memory.html
  [2]https://docs.openstack.org/nova/ussuri/admin/virtual-persistent-memory.html#dependencies

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