Hi Alex, On 12/17/2012 09:17 AM, Alex Pientka wrote: [trim /] > > /dev/md0: > Version : 1.1 ^^^^^ You've deliberately chosen a metadata version that places the superblock at sector 0 of the given device. If that is a whole disk, it overwrites the partition table. The default metadata is v1.2 (which places the superblock at offset 4k) for this very reason. HTH, Phil -- 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