From mboxrd@z Thu Jan 1 00:00:00 1970 From: Carlos Mennens Subject: RAID1 On 3 Drives Date: Sat, 13 Mar 2010 16:06:38 -0500 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Return-path: Sender: linux-raid-owner@vger.kernel.org To: Mdadm List-Id: linux-raid.ids 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=1 --raid-devices=3 /dev/sda1 /dev/sdb1 /dev/sdc1 --spare-devices=1 /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?