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Date: Fri, 7 Nov 2008 11:41:31 +1100 From: Dave Chinner <david@...morbit.com> To: Peter Zijlstra <peterz@...radead.org> Cc: Rik van Riel <riel@...hat.com>, Vivek Goyal <vgoyal@...hat.com>, linux-kernel@...r.kernel.org, containers@...ts.linux-foundation.org, virtualization@...ts.linux-foundation.org, jens.axboe@...cle.com, Hirokazu Takahashi <taka@...inux.co.jp>, Ryo Tsuruta <ryov@...inux.co.jp>, Andrea Righi <righi.andrea@...il.com>, Satoshi UCHIDA <s-uchida@...jp.nec.com>, fernando@....ntt.co.jp, balbir@...ux.vnet.ibm.com, Andrew Morton <akpm@...ux-foundation.org>, menage@...gle.com, ngupta@...gle.com, Jeff Moyer <jmoyer@...hat.com> Subject: Re: [patch 0/4] [RFC] Another proportional weight IO controller On Thu, Nov 06, 2008 at 06:11:27PM +0100, Peter Zijlstra wrote: > On Thu, 2008-11-06 at 11:57 -0500, Rik van Riel wrote: > > Peter Zijlstra wrote: > > > > > The only real issue I can see is with linear volumes, but those are > > > stupid anyway - non of the gains but all the risks. > > > > Linear volumes may well be the most common ones. > > > > People start out with the filesystems at a certain size, > > increasing onto a second (new) disk later, when more space > > is required. > > Are they aware of how risky linear volumes are? I would discourage > anyone from using them. In what way are they risky? Cheers, Dave. -- Dave Chinner david@...morbit.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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