linux-kernel - Re: [RFC] cgroup TODOs

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Date:	Mon, 17 Sep 2012 09:21:02 -0400
From:	Aristeu Rozanski <aris@...vo.org>
To:	James Bottomley <James.Bottomley@...senPartnership.com>
Cc:	Tejun Heo <tj@...nel.org>, containers@...ts.linux-foundation.org,
	cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
	Li Zefan <lizefan@...wei.com>, Michal Hocko <mhocko@...e.cz>,
	Glauber Costa <glommer@...allels.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Paul Turner <pjt@...gle.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Thomas Graf <tgraf@...g.ch>,
	"Serge E. Hallyn" <serue@...ibm.com>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Neil Horman <nhorman@...driver.com>,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
Subject: Re: [RFC] cgroup TODOs

On Sun, Sep 16, 2012 at 09:19:17AM +0100, James Bottomley wrote:
> On Fri, 2012-09-14 at 14:36 -0400, Aristeu Rozanski wrote:
> > also, heard about the desire of having a device namespace instead with
> > support for translation ("sda" -> "sdf"). If anyone see immediate use for
> > this please let me know.
> 
> That sounds like a really bad idea to me.  We've spent ages training
> users that the actual sd<x> name of their device doesn't matter and they
> should use UUIDs or WWNs instead ... why should they now care inside
> containers?

True, bad example on my part. The use case I had in mind when I wrote that
can be solved by symbolic links.

-- 
Aristeu

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