I solved this issue thanks to help on linux-lvm list from a guy from redhat. Initrd image had to be recreated so that new raid devices could be seen before root is mounted. Solution: # mkinitrd /boot/initrd-$(uname -r).img $(uname -r) -- Tomasz _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos