From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keld =?iso-8859-1?Q?J=F8rn?= Simonsen Subject: Re: What's the typical RAID10 setup? Date: Fri, 4 Feb 2011 21:42:52 +0100 Message-ID: <20110204204251.GB6603@www2.open-std.org> References: <20110131203725.GB2283@www2.open-std.org> <4D475AB5.10600@hardwarefreak.com> <20110203110428.GA26762@www2.open-std.org> <4D4B3DAE.3070502@hardwarefreak.com> <20110204070613.GA3788@www2.open-std.org> <4D4BB87A.30800@hardwarefreak.com> <20110204090602.GA4017@www2.open-std.org> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: <20110204090602.GA4017@www2.open-std.org> Sender: linux-raid-owner@vger.kernel.org To: Keld =?iso-8859-1?Q?J=F8rn?= Simonsen Cc: Stan Hoeppner , Jon Nelson , Mathias =?iso-8859-1?Q?Bur=E9n?= , Roberto Spadim , Denis , Linux-RAID List-Id: linux-raid.ids On Fri, Feb 04, 2011 at 10:06:03AM +0100, Keld J=F8rn Simonsen wrote: > On Fri, Feb 04, 2011 at 02:27:38AM -0600, Stan Hoeppner wrote: > > Keld J=F8rn Simonsen put forth on 2/4/2011 1:06 AM: > >=20 > > > It looks like they do define all major basic RAID disk layouts. (= except > > > raid10,f2 of cause) . RAID1+0 is a derived format, maybe that is = out of > > > scope of the DDF standard. > >=20 > > "A secondary virtual disk is a VD configured using hybrid RAID leve= ls like > > RAID10 or RAID50. Its elements are BVDs." > >=20 > > So apparently their Disk Data Format specification doesn't include = hybrid RAID > > levels. This makes sense, as the _on disk_ layout of RAID 10 is id= entical to > > RAID 1. I was puzzled here. I think you mean: "the _on disk_ layout of RAID 10 is identical to RAID 1 and RAID 0" If that is what you meant, I think we agree on most things here. best regards keld -- 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