From ed9eacff92af4897fe560a6e0313a6ca7b278728 Mon Sep 17 00:00:00 2001 From: zhangbailin Date: Thu, 3 Sep 2020 11:03:04 +0800 Subject: [PATCH] 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 (cherry picked from commit a8b0c6b456a9afdbdfab69daf8c0d3685f8e3084) (cherry picked from commit eae463ca1541dacdc7507899d25e7d3505194363) --- doc/source/admin/virtual-persistent-memory.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/doc/source/admin/virtual-persistent-memory.rst b/doc/source/admin/virtual-persistent-memory.rst index 73cc0f3b98ed..95ad9a942f8f 100644 --- a/doc/source/admin/virtual-persistent-memory.rst +++ b/doc/source/admin/virtual-persistent-memory.rst @@ -31,12 +31,23 @@ The following are required to support the vPMEM feature: ``dax_pmem``, ``nd_pmem``, ``device_dax``, ``nd_btt`` +.. note:: + + NVDIMM support is present in the Linux Kernel v4.0 or newer. It is + recommended to use Kernel version 4.2 or later since `NVDIMM support + `_ + is enabled by default. We met some bugs in older versions, and we have + done all verification works with OpenStack on 4.18 version, so 4.18 + version and newer will probably guarantee its functionality. + * QEMU version >= 3.1.0 * Libvirt version >= 5.0.0 * `ndctl`_ version >= 62 +* daxio version >= 1.6 + The vPMEM feature has been verified under the software and hardware listed above.