Help for configuring RAID w/Linux 5.1

[ciao_bullet]

I am currently trying to configure a set of hard drives as a RAID configuration. My system is running with Red Hat Enterprise Linux Client release 5.1 as the base OS. I am booting from CD.

I am trying to image a set of drives that have not been imaged before. When the GUI dialog window for disk setup is displayed, it shows a default disk layout including a LVM slice. In the disk layout is a /boot partition already. It is not what I would like so I edit it to be the size for my system and make it the primary partition. I also select it to be a software RAID. I then add three more partitions for my drive 'A' all of type software RAID and NOT primary partitions.

At this point my drives have the correct number of partitions except for showing the LVM slice. I select 'RAID' again, followed by selecting 'Clone a drive to create a RAID device ...' followed by 'OK'. I then get a dialog to select the source and target. i select my drive 'A' to be the source and 'B' to be the target followed by 'OK'. An error dialog is received stating that all the partitions are not of type software RAID. The disk partitions are all type software RAID except the extended LVM slice.

I can not get past this point and I am following a procedure written some time ago by a person that is not available. Am I doing something incorrectly? Can someone give me some helpful pointers please?

[HROAdmin26]

Google: rhel install md raid

RedHat Docs

[GlmLv]

try building raid first, then create lvm on top of that.