[CentOS-devel] How altarch will be in CentOS 8?

Fabian Arrotin arrfab at centos.org
Mon Jun 3 11:32:07 UTC 2019


On 03/06/2019 09:38, Marcin Juszkiewicz wrote:
> CentOS 7 supports several architectures:
> 
> - x86-64
> - aarch64
> - ppc64le
> - armhfp
> - i386
> - ppc64
> - power9
> 
> All except 'x86-64' are stored in /altarch/7/ directory on
> mirror.centos.org and are mirrored only by subset of mirrors.
> 
> RHEL 8 treats aarch64, ppc64le, s390x, x86-64 as equals - package has to
> build on each of them to get included in repositories etc.
> 
> So the question is how CentOS 8 will be organized? Moving everything
> into mirrors.centos.org/centos/8/ will simplify live for all of those
> using non-x86 machines as repos will be widely mirrored and there will
> be no need of handling centos|altarch in external projects.
> 
> I think that /altarch/8/ may exist for armhfp, i386, etc architectures
> which are not a part of RHEL 8.
> 
> What do you think?

That's a good discussion to have indeed now , before it's released :)
I'd say there are pros and cons now for both.

If me move aarch64/ppc64le under /centos/8 , people who were used to
previous location will still try to find it under /altarch/

Also worth noting that if we move to /centos/ , more external mirrors
will get content for those architectures that they probably weren't
interested in (reason why altarch was a separate module, to let people
opt-in) . That would also confuse those links :

https://www.centos.org/download/mirrors/
https://www.centos.org/download/altarch-mirrors/

So, while it's clear that aarch64 and ppc64le are now "primary" arches
(built in parallel of the x86_64 on https://koji.mbox.centos.org/koji/)
the real question is : do we still consider those "altarch" or not :)

-- 
Fabian Arrotin
The CentOS Project | https://www.centos.org
gpg key: 56BEC54E | twitter: @arrfab

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