That did the trick! i was breaking my head over this for hours, thanks a lot guys. Wessel Ensure your partition type is set to 'fd'. You may also need to add this to your /etc/mdadm.conf. --Tim _______________________________________________ CentOS mailing list CentOS at centos.org http://lists.centos.org/mailman/listinfo/centos On May 28, 2010, at 4:39 PM, Theo Band wrote: > Wessel | Postoffice wrote: >> Hi All >> >> Currently i'm setting up a 5.4 server and try to create a 3rd raid device, when i run: >> $mdadm --create /dev/md2 -v --raid-devices=15 --chunk=32 --level=raid6 /dev/sdc /dev/sdd /dev/sde /dev/sdf /dev/sdg /dev/sdh /dev/sdi /dev/sdj /dev/sdk /dev/sdl /dev/sdm /dev/sdn /dev/sdo /dev/sdp /dev/sdq >> >> the device file "md2" is created and the raid is being configured. but somehow /dev/md2 is flushed when i reboot the system , same story if i create the file by mknod or MAKEDEV. >> does anyone know a way to solve this issue and permanently add md2 to devices? >> >> > I think it helps if you set the disk flag to raid auto detect (fd = > Linux raid auto). Can be done with parted or fdisk (option t). > > Theo > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20100528/314507cf/attachment-0005.html>