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 <carloswill@xxxxxxxxx> 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=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? > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- Majed B. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
