From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Majed B." Subject: Re: RAID1 On 3 Drives Date: Sun, 14 Mar 2010 00:21:06 +0300 Message-ID: <70ed7c3e1003131321t48686cb5l33a10b8708b27dd7@mail.gmail.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: LinuxRaid List-Id: linux-raid.ids RAID is called mirror: You need 2 drives: The original and the mirror. You can make a RAID1 array of 2 disks + 1 spare if you wish. On Sun, Mar 14, 2010 at 12:06 AM, Carlos Mennens = wrote: > I was told by my distributions Wiki page that Grub doesn't support > RAID 5 or RAID 6 so I would need to create a volume with three disks > and set the level to RAID 1: > > # mdadm --create /dev/md1 --level=3D1 --raid-devices=3D3 /dev/sda1 > /dev/sdb1 /dev/sdc1 --spare-devices=3D1 /dev/sdd1 > > Is this possible to mirror three identical drive partitions? I was > talking to some co-workers and was told that I could only pair two > drives on RAID 1. > > Can anyone please help me understand this? > -- > 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 =C2=A0http://vger.kernel.org/majordomo-info.ht= ml > --=20 Majed B. -- 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