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From Rohit Yadav <>
Subject Re: [DISCUSS] Remove support for el6 packaging in 4.13/4.14
Date Sun, 21 Apr 2019 20:02:00 GMT
Hi Vladimir,

Thanks for sharing your opinion. I can understand the position of our conservative users such
as yourself with respect to a potential upgrade, both the effort and the risks involved in
doing the upgrades.

That said, I would like to encourage you and other conservative users to consider upgrading
because it becomes difficult to support older distributions moving forward especially when
CentOS/RHEL 8 will arrive and it also hinders us to (a) support newer features wrt KVM and
(b) forces us to depend on older distro-provided dependencies that CloudStack uses and potentially
puts a cloud environment under security risks.

As Andrija puts it, you can attempt to upgrade to CentOS7 based infra by doing a fresh installation
and move to the new server/hosts in a rolling way. If you'd need any pointers in that regard
I'm sure we can ask Andrija and others to share some details on how to do that. Meanwhile,
you may also refer to my colleague Dag's talk on upgrade best practices from CCCNA17:

I would like to hear again from you on this and see if we can all agree towards a decision
that benefits all of our community. Thanks.


Rohit Yadav

Software Architect, ShapeBlue

From: Vladimir Melnik <>
Sent: Friday, April 19, 2019 8:01:20 PM
Subject: Re: [DISCUSS] Remove support for el6 packaging in 4.13/4.14

Dear colleagues,

As for me, I still have 3 hosts running CentOS 6 and 2 management servers in one of my production

Also I have 1 management servers running CentOS 6 in another environment.

If my voice counts, I'd propose -1.

Thanks for attention :-)

On Mon, Apr 15, 2019 at 07:44:58AM +0000, Rohit Yadav wrote:
> All,
> With CentOS8 around the corner to be released sometime around the summer, I would like
to propose to deprecate CentOS6 as support management server host distro and KVM host distro.
Non-systemd enabled Ubuntu releases have been already deprecated [1].
> The older CentOS6 version would hold us back as we try to adapt, use and support newer
JRE version, kvm/libvirt version, the Linux kernel, and several other older dependencies.
Both CentOS6 and RHEL6 have reached EOL on May 10th, 2017 wrt full updates [1].
> If we don't have any disagreements, I propose we remove el6 packaging support in the
next major release - 4.13. But, if there are users and organisations that will be badly impacted,
let 4.13 be the last of releases to support el6 and we definitely remove el6 support in 4.14.
> What are your thoughts?
> [1] EOL date wiki reference:
> Regards,
> Rohit Yadav
> Software Architect, ShapeBlue
> Amadeus House, Floral Street, London  WC2E 9DPUK
> @shapeblue


Amadeus House, Floral Street, London  WC2E 9DPUK

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