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

Matthew Thode prometheanfire at gentoo.org
Mon Aug 21 00:48:38 UTC 2017


On 17-08-21 10:20:11, Tony Breeds 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

Stable on gentoo is 8.25 though, but that still matches xenial.

> 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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-- 
Matthew Thode (prometheanfire)
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