On Mon, Feb 25, 2019 at 11:23:12AM +0000, Tony Mountifield (t...@softins.co.uk) wrote: > In article <20190225050144.ga5...@button.barrett.com.au>, > Jobst Schmalenbach <jo...@barrett.com.au> wrote: > > Hi. > > CENTOS 7.6.1810, fresh install - use this as a base to create/upgrade > > new/old machines. > > > > I was trying to setup two disks as a RAID1 array, using these lines > > > > mdadm --create --verbose /dev/md0 --level=0 --raid-devices=2 /dev/sdb1 > > /dev/sdc1 > > mdadm --create --verbose /dev/md1 --level=0 --raid-devices=2 /dev/sdb2 > > /dev/sdc2 > > mdadm --create --verbose /dev/md2 --level=0 --raid-devices=2 /dev/sdb3 > > /dev/sdc3 > > > > then I did a lsblk and realized that I used --level=0 instead of --level=1 > > (spelling mistake) > > So I believe you need to do: > > mdadm --zero-superblock /dev/sdb1 > mdadm --zero-superblock /dev/sdb2 >
I actually deleted the partitions, at first using fdisk than parted (read a few ideas on the internet). Also from the second try onwards I also changed the partition sizes, filesystems. Also I tried with one disk missing (either sda or sdb). Jobst -- If proof denies faith, and uncertainty denies proof, then uncertainty is proof of God's existence. | |0| | Jobst Schmalenbach, General Manager | | |0| Barrett & Sales Essentials |0|0|0| +61 3 9533 0000, POBox 277, Caulfield South, 3162, Australia _______________________________________________ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
