On Sun, May 24, 2009 at 11:15, Rob Vandermeulen <rob.vandermeulen@xxxxxxxxxx> wrote: > I guess i really should be more carefull using mapper and real devices when > changing partition layout. If your partitioning tool doesn't automatically re-read the partitioning layout (and it sounds like it didn't in this case), use hdparm -z /dev/sda to re-read the partitions on sda. parted usually re-reads on its own. And of course after doing the partitioning, and before using the partitions as raid components, enumerate the drive partitioning, and verify it is exactly as you expect: parted /dev/sda print free -- 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