From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Gordon Mohr (@ Bitzi)" Subject: Re: raid1 w/ 3 active mirrors? Date: Mon, 30 May 2005 11:15:55 -0700 Message-ID: <429B585B.1000305@bitzi.com> References: <429A13BC.2090809@bitzi.com> <429A1DF8.6050409@tls.msk.ru> <429A2E11.2070002@bitzi.com> <429AA530.2040702@apartia.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <429AA530.2040702@apartia.fr> Sender: linux-raid-owner@vger.kernel.org To: Laurent CARON Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids Laurent CARON wrote: > Gordon Mohr (@ Bitzi) a =E9crit : >> How do you make all the disks active mirrors? When I add a third=20 >> partition >> to an functioning RAID1 array (mdadm -a), it always enters as a=20 >> 'spare'. Only >> after another disk fails out will it be brought into sync with the=20 >> remaining >> active partition. >> >> (I'd like the third partition to be brought into sync, and kept in s= ync, >> with the other two immediately, so that a fail does not trigger any >> flurry of activity.) > when you create the array: >=20 > mdadm -Cv /dev/md0 -l1 -n10 /dev/sd{a,b,c,d,e,f,g,h,i,j}1 Thanks for the tip. I'm hoping to do this to a prexisting array, so I'll probably need to use --grow rather than -C together with -n/--raid-devices, but you've pointed me in the right direction and I'll try this soon. Merci! - Gordon @ Bitzi - 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