On Wed, 16 Aug 2006, Peter Greis wrote: > So, how do I change / and /boot to make the super > blocks persistent ? Is it safe to run "mdadm --create > /dev/md0 --raid-devices=2 --level=1 /dev/sda1 > /dev/sdb1" without loosing any data ? boot a rescue disk shrink the filesystems by a few MB to accomodate the superblock mdadm --create /dev/md0 --raid-devices=2 --level=1 /dev/sda1 missing mdadm /dev/md0 -a /dev/sdb1 grow the filesystem you could probably get away with an --assume-clean and no resync if you know the array is clean... just don't forget to shrink/grow the filesystem. -dean - 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