On Sat, May 9, 2009 7:50 am, Goswin von Brederlow wrote: >>> So I still plan to offer a "--reserve-space=2M" option for mdadm to >>> allow the first 2M of each device to not used for raid data. Whether >>> any particular usage of this option is viable or not, is a different >>> question altogether. > > How exactly would that layout be then? > > Block 0 bootblock > Block 1 raid metadata > Block x 2M reserved space > Block x+2M start of raid data > > Like this? When using 1.2 metadata, yes, possible with bitmap inserted between the reserved space and the start of raid data. When using 1.0, it would be Block 0..N-1 boot block and second stage Block N..near-the-end raid data Block x..y bitmap block z superblock NeilBrown -- 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
