Open Stack

>>>(a) KVM for IBM z Systems: John Garbutt pointed out[3] on IRC that:
>>> "IBM announced that KVM for IBM z will be withdrawn, effective March
>>> 31, 2018 [...] development will not only continue unaffected, but
>>> the options for users grow, especially with the recent addition of
>>> SuSE to the existing support in Ubuntu."

>>> The message seems to be: "use a regular distribution".  So this is
>>> covered, if we a version based on other distributions.

Yes, IBM don't have a product on s390x anymore per [3] indicated,
we are cooperating with distro in enablement

and for openstack, KVM on z has its own 3rd CI maintaining by us per [5]

[5] http://ci-watch.tintri.com/project?project=nova    (IBM zKVM CI )

Best Regards!

Kevin (Chen) Ji 纪 晨

Engineer, zVM Development, CSTL
Notes: Chen CH Ji/China/IBM at IBMCN   Internet: jichenjc at cn.ibm.com
Phone: +86-10-82451493
Address: 3/F Ring Building, ZhongGuanCun Software Park, Haidian District,
Beijing 100193, PRC



From:	Kashyap Chamarthy <kchamart at redhat.com>
To:	openstack-operators at lists.openstack.org,
            openstack-dev at lists.openstack.org
Date:	09/24/2018 09:28 PM
Subject:	[Openstack-operators] RFC: Next minimum libvirt / QEMU versions
            for	'T' release



Hey folks,

Before we bump the agreed upon[1] minimum versions for libvirt and QEMU
for 'Stein', we need to do the tedious work of picking the NEXT_MIN_*
versions for the 'T' (which is still in the naming phase) release, which
will come out in the autumn (Sep-Nov) of 2019.

Proposal
--------

Looking at the DistroSupportMatrix[2], it seems like we can pick the
libvirt and QEMU versions supported by the next LTS release of Ubuntu --
18.04; "Bionic", which are:

    libvirt: 4.0.0
    QEMU:    2.11

Debian, Fedora, Ubuntu (Bionic), openSUSE currently already ship the
above versions.  And it seems reasonable to assume that the enterprise
distribtions will also ship the said versions pretty soon; but let's
double-confirm below.

Considerations and open questions
---------------------------------

(a) KVM for IBM z Systems: John Garbutt pointed out[3] on IRC that:
    "IBM announced that KVM for IBM z will be withdrawn, effective March
    31, 2018 [...] development will not only continue unaffected, but
    the options for users grow, especially with the recent addition of
    SuSE to the existing support in Ubuntu."

    The message seems to be: "use a regular distribution".  So this is
    covered, if we a version based on other distributions.

(b) Oracle Linux: Can you please confirm if you'll be able to
    release libvirt and QEMU to 4.0.0 and 2.11, respectively?

(c) SLES: Same question as above.

Assuming Oracle Linux and SLES confirm, please let us know if there are
any objections if we pick NEXT_MIN_* versions for the OpenStack 'T'
release to be libvirt: 4.0.0 and QEMU: 2.11.

    * * *

A refresher on libvirt and QEMU release schedules
-------------------------------------------------

  - There will be at least 12 libvirt releases (_excluding_ maintenance
    releases) by Autumn 2019.  A new libvirt release comes out every
    month[4].

  - And there will be about 4 releases of QEMU.  A new QEMU release
    comes out once every four months.

[1]
http://git.openstack.org/cgit/openstack/nova/commit/?h=master&id=28d337b

    -- Pick next minimum libvirt / QEMU versions for "Stein"
[2]
https://wiki.openstack.org/wiki/LibvirtDistroSupportMatrix

[3]
http://kvmonz.blogspot.com/2017/03/kvm-for-ibm-z-withdrawal.html

[4]
https://libvirt.org/downloads.html#schedule


--
/kashyap

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