[arch-general] Software RAID w/ 4 Drives Fails

[Jackson Alley]

I'm not sure why it is failing to boot for you with 4 drives but you may 
want to try completing the install with 3 drives and then add the fourth 
drive to your array after a successful reboot.
J

On 01/22/2010 11:13 AM, Carlos Williams wrote:
> I am successfully able to install Arch Linux with 3 drives in a RAID5
> array on Arch Linux using:
>
> mdadm --create /dev/md0 --level=5 --raid-devices=3 /dev/sda2 /dev/sdb2 /dev/sdc2
>
> Now when I attempt the install with 4 physical disks and add the same
> command above with just attaching /dev/sdd2 and changing the # of
> devices from 3 to 4, I get a failure. When I reboot the system I lose
> keyboard and it asks me to enter a run level. Obviously I can't
> troubleshoot more because I have no keyboard.
>
> What command should I use to create a RAID5 with more disk space (no
> hot spare) using 4 drives? My commands and install method work perfect
> with 3 drives but 4 and the system crashes upon reboot.
>
> Any tips?
>