[CentOS-devel] CentOS for IBM LinuxONE / IBM System Z

Part of the challenge around this has been in "how to get resources".
We're in the process of trying to get access to some Z-series gear, for
a variety of technical detail minutia it's taking a little while. I'm
happy to discuss this off-list.

On 3/19/20 7:05 AM, Troy Dawson wrote:
> Thanks for the clarification.
> And thanks to FuLong, and any others helping in this effort.
> 
> On Thu, Mar 19, 2020 at 6:41 AM David Edelsohn <dje.gcc at gmail.com> wrote:
>>
>> Sorry, I replied to the wrong thread.
>>
>> FuLong is trying to restart the CentOS on s390x effort and we are
>> trying to determine the technical steps to initiate a bootstrap.  I
>> reported the plan from 2018.
>>
>> Thanks, David
>>
>> On Thu, Mar 19, 2020 at 9:36 AM Troy Dawson <tdawson at redhat.com> wrote:
>>>
>>> What does this mean?
>>> Does this mean we aren't going to do a s390x for CentOS 8?
>>> Does it mean we are going to do it, and have a plan?
>>>
>>> On Thu, Mar 19, 2020 at 6:26 AM David Edelsohn <dje.gcc at gmail.com> wrote:
>>>>
>>>> From: Karanbir Singh <kbsingh at centos.org>
>>>> To: David Edelsohn <edelsohn at us.ibm.com>
>>>> Date: 05/17/2018 11:17 PM
>>>> Subject: Re: CentOS on Z-Series
>>>>
>>>> Hi David,
>>>>
>>>> We wont need ClefOS to do the bootstrap, we'd want to do it the same way
>>>> as we did the power bringup and the arm-server etc just to keep the
>>>> baseline intact and work from there up.
>>>>
>>>> -----
>>>>
>>>> The plan from the IBMer who had bootstrapped CentOS on PPC64LE Linux was:
>>>>
>>>> I just spoke a bit with Jim Perrins (Evolution on irc) and got the go
>>>> ahead to use ClefOS to speed up the bootstrap. I think I’ll stop
>>>> asking questions and get to work quietly before Karanbir Singh tells
>>>> me I have to use old Fedora 19 s390x rpms to bootstrap and build
>>>> everything from CentOS 7.0 -> 7.1 -> 7.2 -> 7.3 -> 7.4 -> 7.5
>>>>
>>>> I will build CentOS 7.5.1804 s390x/s390 will a small backing of ClefOS
>>>> rpms, and then rebuild CentOS 7.5.1804 s390x/s390 cleanly with itself.
>>>> At some point I”ll need to get the LinuxOne VMs reinstalled with my
>>>> CentOS code for the final rebuild and then turn things over to CentOS
>>>> guys to gpg sign and publish.
>>>>
>>>> -----
>>>>
>>>> The IBMer then was instructed to not help Z.  And the CentOS work
>>>> never was staffed within IBM.
>>>>
>>>> - David
>>>>
>>>> On Wed, Mar 18, 2020 at 3:49 AM FuLong Wang <fulwang at linux.vnet.ibm.com> wrote:
>>>>>
>>>>> Hello Everyone,
>>>>>
>>>>>
>>>>> I'm from IBM China Development Team and I'm working on a new initiative that plan to enable a "minimized" or "full" CentOS operating system on IBM LinuxONE / IBM System Z (s390x architect).
>>>>>
>>>>> The reason why we start this topic is we are trying to contribute to the RDO community with our OpenStack build on LInuxONE.
>>>>> We have successfully finished the build job for OpenStack Train Version on LinuxONE and passed the basic function verification tests recently.
>>>>> Now, we already have a link for worldwide users & fans to reference for their needs.
>>>>> For "official official" contributing to the RDO community, community admin stated that a TripleO CI env is a must for community release criteria and
>>>>> the OpenStack packages need to be built in the CentOS build system which run on s390x arch.
>>>>>
>>>>>
>>>>> So, we turn to here for help, we know CentOS community ever had releases for s390x arch but for whatever reasons finally stopped for update.
>>>>> We want to take this opportunity to enable it up again and therefore
>>>>> want to know about the overall processes, skills required, hardware requirements, manpowers and duration estimated and which parts need IBM's team's input, etc.
>>>>>
>>>>> Our target is to enable at least a "minimized" CentOS (which can support the OpenStack CI work), is there a SIG fit for this purpose? or a "full" CentOS with default feature sets.
>>>>>
>>>>>
>>>>> Could anybody kindly give us some clue to start this journey?
>>>>>
>>>>>
>>>>> Thanks everyone in advance!
>>>>>
>>>>>
>>>>> The Howto of OpenStack Train Installation on IBM LinuxONE had been merged to the RDO official website.
>>>>>
>>>>> https://www.rdoproject.org/install/
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> FuLong Wang
>>>>> fulong.wang at cn.ibm.com
>>>>> IBM China Systems Lab, Beijing, China
>>>>> _______________________________________________
>>>>>
>>>>> _______________________________________________
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>>>>> CentOS-devel at centos.org
>>>>> https://lists.centos.org/mailman/listinfo/centos-devel
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-- 
Jim Perrin
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