linux-kernel - Re: [RFC] cgroup TODOs

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Message-ID: <1347783557.2463.1.camel@dabdike.int.hansenpartnership.com>
Date:	Sun, 16 Sep 2012 09:19:17 +0100
From:	James Bottomley <James.Bottomley@...senPartnership.com>
To:	Aristeu Rozanski <aris@...vo.org>
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 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?

James




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