I had one h**l of a time doing this over the weekend.

What finally worked for me was creating LOGICAL partitions on each drive and setting them as used for RAID volume devices.
This gave me /dev/sda5, /dev/sdb5 etc etc.
When grub did it's install, it added all the /dev/sda1 etc partitions and rebooted fine.

When I tried primary partitions, grub would just fail and I'd have to restart the whole install process over.

NOTE: when booting from the install cd i had to [tab] the 'install' menu entry and add "dmraid=true".
Then after the initial install, it would still fail to boot.
Back to the install cd, choose 'rescue', [tab] and add 'dmraid=true' again. Then get thee to a shell and 'grub-install --recheck /dev/sdaX' for each partition.



On 03/06/2013 01:37 PM, Dick Thomas wrote:
What is the best way to setup a raid 5 array (4* 2TB drives)
should I make raid 5 for my system and /home
then raid 0 or 1 for the boot, or should I buy a 5th drive for
system/boot and install in the standard way?
as this is my 1st time on debian and not sure what would be best


Dick Thomas
About.me http://about.me/dick.thomas
Blog: www.xpd259.co.uk
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