From mboxrd@z Thu Jan 1 00:00:00 1970 From: Janek Kozicki Subject: Re: which raid level gives maximum overall speed? (raid-10,f2 vs. raid-0) Date: Wed, 30 Jan 2008 23:36:39 +0100 Message-ID: <20080130233639.5d46b044@szpak> References: <20080130192133.17b254bf@szpak> <20080130220007.GG20173@rap.rap.dk> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <20080130220007.GG20173@rap.rap.dk> Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids Keld J=C3=B8rn Simonsen said: (by the date of Wed, 30 Jan 2008 23:0= 0:07 +0100) > Teoretically, raid0 and raid10,f2 should be the same for reading, giv= en the > same size of the md partition, etc. For writing, raid10,f2 should be = half the speed of > raid0. This should go both for sequential and random read/writes. > But I would like to have real test numbers.=20 Me too. Thanks. Are there any other raid levels that may count here? Raid-10 with some other options? --=20 Janek Kozicki | - To unsubscribe from this list: send the line "unsubscribe linux-raid" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html