I'm wondering what's going on here: turnip:~ # mdadm /dev/md1 --create --level=1 --bitmap=internal --raid-devices=2 /dev/sdd1 missing mdadm: array /dev/md1 started. turnip:~ # mdadm /dev/md2 --create --level=1 --bitmap=internal --raid-devices=2 /dev/md1 missing mdadm: failed to write superblock to /dev/md1 mdadm: array /dev/md2 started. turnip:~ # mdadm /dev/md2 --stop turnip:~ # mdadm --zero-superblock /dev/md1 mdadm: Couldn't open /dev/md1 for write - not zeroing turnip:~ # mdadm /dev/md1 --stop turnip:~ # mdadm --zero-superblock /dev/sdd1 mdadm: Couldn't open /dev/sdd1 for write - not zeroing turnip:~ # mdadm /dev/md2 --stop turnip:~ # mdadm /dev/md2 --stop --force turnip:~ # ls /sys/block/md1/holders/ md2 turnip:~ # The kernel is 2.6.34.7-0.7-default (x86_64). openSUSE 11.3. mdadm 3.0.3 -- Jon -- 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