thanks a lot, you told me the rigt way. I had to add the lines "raid1" and "md_mod" to /etc/mkinitrd/modules. After recreating the initrd image "mkinitrd -o /boot/initrd.img-2.6.17.8 /lib/modules/2.6.17.8" the server boots into both raid disk correctly. isp:~# cat /proc/mdstat Personalities : [raid1] md0 : active raid1 hda1[0] hdb1[1] 154191744 blocks [2/2] [UU] unused devices: <none> Andreas Pelzner > > On Monday August 28, Andreas.Pelzner@xxxxxxxxxxxxx wrote: > > Pls. find the kernel messages here. > > Thanks. > > 'md' and the drivers for you disks are not compiled into the kernel > but are present as modules in an 'initrd'. > So the kernel parameter or > md=0,/dev/hda1,/dev/hdb1 > is ignored and the code in the inird is completely responsible for > assembling md0. > You have a look at what it does: > > mkdir /foo > mount -t cramfs /initrd.img /foo > ^^^^^^^^^^^ > > You have to find the initrd that is being used and use that name here. > Then have a look at etc mdadm.conf in /foo. > > Once you understand the problem you will need to remake your initrd to > get this right. > > NeilBrown > - > To unsubscribe from this list: send the line "unsubscribe > linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html