linux-kernel - Re: [dm-devel] Re: dm-ioband: Test results.

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Message-Id: <20090421.211051.183023683.ryov@valinux.co.jp>
Date:	Tue, 21 Apr 2009 21:10:51 +0900 (JST)
From:	Ryo Tsuruta <ryov@...inux.co.jp>
To:	nauman@...gle.com
Cc:	fernando@....ntt.co.jp, linux-kernel@...r.kernel.org,
	jmoyer@...hat.com, dm-devel@...hat.com, agk@...hat.com,
	jens.axboe@...cle.com, vgoyal@...hat.com, balbir@...ux.vnet.ibm.com
Subject: Re: [dm-devel] Re: dm-ioband: Test results.

Hi Nauman,

> > The real question is, once you create a version of dm-ioband that
> > co-operates with CFQ scheduler, how that solution would compare with
> > the patch set Vivek has posted? In my opinion, we need to converge to
> > one solution as soon as possible, so that we can work on it together
> > to refine and test it.
> 
> I think I can do some help for your work. but I want to continue the
> development of dm-ioband, because dm-ioband actually works well and
> I think it has some advantages against other IO controllers.
>   - It can use without cgroup.
>   - It can control bandwidth on a per partition basis.
>   - The driver module can be replaced without stopping the system.

In addition, dm-ioband can run on the RHEL5.

Thanks,
Ryo Tsuruta
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