[openstack-dev] Minimum version of shred in our supported distros?

Michael Still mikal at stillhq.com
Mon Aug 21 00:40:31 UTC 2017


If there's really only one distro which hasn't updated, I'd also be
inclined to try and push them to update before they move to Queens. Surely
that's a thing we can ask them nicely to do?

Michael

On Mon, Aug 21, 2017 at 10:20 AM, Tony Breeds <tony at bakeyournoodle.com>
wrote:

> On Sun, Aug 20, 2017 at 03:43:22PM +1000, Michael Still wrote:
> > Hi,
> >
> > nova.virt.libvirt.storage.lvm.clear_volume() has a comment that we could
> > use shred to zero out volumes efficiently if we could assume that shred
> > 8.22 was in all our downstream distros [1]. shred 8.22 shipped in 2013
> [2].
> >
> > Can we assume that thing now? xenial appears to ship with 8.25 for
> example.
> > If so, we could drop a reasonably complicated caller of dd, and it would
> > make moving to privsep a tiny bit easier.
>
> To find this out is part science and part guesswork.
>
> Starting with:
> https://github.com/openstack/requirements#finding-distro-status
>
> I get the following:
>
> Xenial: [ 8.25 ]
>  https://packages.ubuntu.com/search?keywords=coreutils&
> searchon=names&suite=xenial-updates&section=all
> Fedora: [ 8.27 ]
>  https://apps.fedoraproject.org/packages/coreutils
> Gentoo: [ 8.27 ]
>  https://packages.gentoo.org/packages/sys-apps/coreutils
> RHEL7 - Centos 7: [ 8.22 ]
>  http://mirror.centos.org/centos/7/os/x86_64/Packages/
> coreutils-8.22-18.el7.x86_64.rpm
> opensuse: [ No idea ]
>  https://build.opensuse.org/package/show/Base:System/coreutils
>  But pages like:
>  https://www.suse.com/support/update/announcement/2013/suse-
> ru-20130546-1.html
>  imply that 8.12 is still a thing in SLES-11
>
> So while we support SLES 11 I don't think we can make that assumption.
> Which of course begs the follow-up question which distros do we care
> about.
>
> Yours Tony.
>
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