On Tue, May 01, 2012 at 08:18:54PM +1000, NeilBrown wrote: > To replicate: > > - create an array. > - stop the array > - assemble the array with at least one missing device e.g.: > mdadm -A /dev/md0 /dev/sda1 /dev/sdb1 > if it was a 3-device array > - check in /proc/mdstat that it is listed as "inactivate" > - reboot > - now "mdadm -E" the devices. If the raid level is -unknown- then the bug > has hit. Thank you for this info. After reboot the array came up as active again, and mdadm -E showed "Raid Level : raid6" for all drives, so that's not the problem I had before. Regards, Brian. -- 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