From mboxrd@z Thu Jan 1 00:00:00 1970 From: Neil Brown Subject: Re: Maybe crazy idea for reshaping: Instant/On-Demand reshaping Date: Sun, 21 Feb 2010 13:21:27 +1100 Message-ID: <20100221132127.6e49afd3@notabene.brown> References: <87zl34xyqt.fsf@frosties.localdomain> <20100220194020.5d1689e6@notabene.brown> <87mxz46vj2.fsf@frosties.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <87mxz46vj2.fsf@frosties.localdomain> Sender: linux-raid-owner@vger.kernel.org To: Goswin von Brederlow Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids On Sat, 20 Feb 2010 11:39:29 +0100 Goswin von Brederlow wrote: > Neil Brown writes: > > > On Sat, 20 Feb 2010 06:27:54 +0100 > > Goswin von Brederlow wrote: > >> So what do you think? Is this lack of cafein speaking? > > > > I think your cost-benefit trade-off is way off balance on the cost side. > > > > This sort of complexity really belongs in a filesystem, not in a a block > > device. > > > > NeilBrown > > So you are saying I should be using zfs instead of ext3+raid5. :) No, I'm saying that you should fund me for a year or two so I can stop worrying about bug fixing and md features, and can finish writing the filesystem that I have been working on for over a decade. It will, naturally, be able to to everything including cure the common cold. NeilBrown > > When I read up on zfs last year it could not do any reshaping at > all. You could only add new pools but not reshape an existing one. > > MfG > Goswin > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html