hello again, i' am back, thanks to Stefan Bader, thanks to Crimson_Fox. i found a way how to aktivate and see my "raid 5 array": open terminal copy and past: sudo su echo "deb http://archive.ubuntu.com/ubuntu hardy universe" >> /etc/apt/sources.list apt-get update; apt-get install dmraid cd /lib/modules/2.6.24-16-generic/ubuntu/md wget http://launchpadlibrarian.net/14473751/dm-raid45.ko dmraid -ay than that happens: "ubuntu@ubuntu:~$ sudo su root@ubuntu:/home/ubuntu# echo "deb http://archive.ubuntu.com/ubuntu hardy universe" >> /etc/apt/sources.list root@ubuntu:/home/ubuntu# apt-get update; apt-get install dmraid Ign cdrom://Ubuntu 8.04 _Hardy Heron_ - Release i386 (20080423) hardy/main Translation-de Ign cdrom://Ubuntu 8.04 _Hardy Heron_ - Release i386 (20080423) hardy/restricted Translation-de Hole:1 http://security.ubuntu.com hardy-security Release.gpg [191B] Ign http://security.ubuntu.com hardy-security/main Translation-de Hole:2 http://archive.ubuntu.com hardy Release.gpg [191B] Hole:3 http://archive.ubuntu.com hardy/main Translation-de [90,5kB] Ign http://security.ubuntu.com hardy-security/restricted Translation-de Hole:4 http://security.ubuntu.com hardy-security Release [44,0kB] Hole:5 http://archive.ubuntu.com hardy/restricted Translation-de [989B] Hole:6 http://archive.ubuntu.com hardy/universe Translation-de [414kB] Hole:7 http://security.ubuntu.com hardy-security/main Packages [12,5kB] Hole:8 http://security.ubuntu.com hardy-security/restricted Packages [14B] Hole:9 http://security.ubuntu.com hardy-security/main Sources [4313B] Hole:10 http://security.ubuntu.com hardy-security/restricted Sources [14B] Hole:11 http://archive.ubuntu.com hardy Release [65,9kB] Hole:12 http://archive.ubuntu.com hardy/main Packages [1178kB] Hole:13 http://archive.ubuntu.com hardy/restricted Packages [6986B] Hole:14 http://archive.ubuntu.com hardy/main Sources [338kB] Hole:15 http://archive.ubuntu.com hardy/restricted Sources [1488B] Hole:16 http://archive.ubuntu.com hardy/universe Packages [4297kB] Es wurden 6454kB in 31s geholt (207kB/s) Paketlisten werden gelesen... Fertig Paketlisten werden gelesen... Fertig Abhängigkeitsbaum wird aufgebaut Reading state information... Fertig Die folgenden NEUEN Pakete werden installiert: dmraid 0 aktualisiert, 1 neu installiert, 0 zu entfernen und 8 nicht aktualisiert. Es müssen 176kB Archive geholt werden. After this operation, 614kB of additional disk space will be used. Hole:1 http://archive.ubuntu.com hardy/universe dmraid 1.0.0.rc14-0ubuntu3 [176kB] Es wurden 176kB in 0s geholt (198kB/s) Wähle vormals abgewähltes Paket dmraid. (Lese Datenbank ... 98223 Dateien und Verzeichnisse sind derzeit installiert.) Entpacke dmraid (aus .../dmraid_1.0.0.rc14-0ubuntu3_i386.deb) ... Richte dmraid ein (1.0.0.rc14-0ubuntu3) ... * Setting up DMRAID devices... [ OK ] update-initramfs is disabled since running on a live CD" than i copy and past again: wget http://launchpadlibrarian.net/14473751/dm-raid45.ko than that happens: "--11:43:41-- http://launchpadlibrarian.net/14473751/dm-raid45.ko => `dm-raid45.ko' Auflösen des Hostnamen »launchpadlibrarian.net«.... 91.189.90.235 Verbindungsaufbau zu launchpadlibrarian.net|91.189.90.235|:80... verbunden. HTTP Anforderung gesendet, warte auf Antwort... 200 OK Länge: 143.032 (140K) [application/octet-stream] 100%[======================================================================================================================>] 143.032 170.77K/s 11:43:42 (170.50 KB/s) - »dm-raid45.ko« gespeichert [143032/143032]" than i install "dm-raid45.ko": root@ubuntu:/home/ubuntu# insmod dm-raid45.ko root@ubuntu:/home/ubuntu# dmraid -s *** Group superset isw_bibdfifgb --> Subset name : isw_bibdfifgb_ARRAY size : 1250275840 stride : 256 type : raid5_la status : ok subsets: 0 devs : 3 spares : 0 root@ubuntu:/home/ubuntu# dmraid -ay root@ubuntu:/home/ubuntu# dmraid -ay RAID set "isw_bibdfifgb_ARRAY" already active so every think is ok till here.