Software RAID1 On A Running LVM System (Incl. GRUB Configuration) CentOS 4.8

Howto setup Software RAID1 On A Running LVM System (Incl. GRUB Configuration) CentOS 4.8
I'm having some trouble setting up a RAID1 on CentOS 4.8.

I'm using this guide:
http://www.howtoforge.com/how-to-se...lvm-system-incl-grub-configuration-centos-5.3

My server:
* /dev/sda1: /boot partition, ext3;
* /dev/sda2: is used for LVM (volume group VolGroup00) and contains / (volume LogVol00) and swap (volume LogVol01).

when step
Next we create /etc/mdadm.conf as follows:

Code:

mdadm --examine --scan > /etc/mdadm.conf

mdadm --examine --scan > /etc/mdadm.conf mdadm: No devices listed in /etc/mdadm.conf


Howto fix ?


Thanks and best regard.

 

What's the output of

Code:

mdadm --examine --scan

? What's in /etc/mdadm.conf?

 

out put of

Code:

mdadm --examine --scan

No devices listed in /etc/mdadm.conf

Code:

[root@pa ~]# mdadm --examine --scan
mdadm: No devices listed in /etc/mdadm.conf
[root@pa ~]# cat /etc/mdadm.conf
[root@pa ~]#