In article <6566355.ijNRhnPfCt at tesla.schoolpathways.com>, Benjamin Smith <lists at benjamindsmith.com> wrote: > System is CentOS 6 all up to date, previously had two drives in MD RAID > configuration. > > md0: sda1/sdb1, 20 GB, OS / Partition > md1: sda2/sdb2, 1 TB, data mounted as /home > > Installed kmod ZFS via yum, reboot, zpool works fine. Backed up the /home data > 2x, then stopped the sd[ab]2 partition with: > > mdadm --stop /dev/md1; > mdadm --zero-superblock /dev/sd[ab]1; Did you mean /dev/sd[ab]2 instead? > Removed /home in /etc/fstab. Used fdisk to set the partition type to gpt for > sda2 and sdb2, then built *then destroyed* a ZFS mirror pool using the two > partitions. > > Now the system won't boot, has a kernel panic. I'm remote, so I'll be going in > tomorrow to see what's up. My assumption is that it has something to do with > mdadm/RAID not being "fully removed". > > Any idea what I might have missed? I think it's because you clobbered md0 when you did --zero-superblock on sd[ab]1 instead of 2. Don't you love it when some things count from 0 and others from 1? Cheers Tony -- Tony Mountifield Work: tony at softins.co.uk - http://www.softins.co.uk Play: tony at mountifield.org - http://tony.mountifield.org