I believe because the partitions take up the entire provided md device - so if you don't skew the size of the device to protect the meta data, the partition could go to the end of the drive. On Tue, Nov 19, 2013 at 12:38 PM, Martin Wilck <mwilck@xxxxxxxx> wrote: > The question I have is why is there IMSM meta data on sdc2 at all? > IMSM metadata sit at the end of a block device. So I figure that sdc2 is > the last partition, and by some wird circumstance it's so large that it > includes the last sectors of the physical disk where the metadata > resides. That would be a bad idea, a dd if=/dev/zero of=/dev/sdc2 would > wipe not only the partition but also the RAID meta data. > > Martin > -- 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