On Thursday February 10, mjt@xxxxxxxxxx wrote: > NeilBrown wrote: > > In md, there are "level" number and "personality" numbers. > > LEVEL_MULTIPATH is the level number for multipath. > > MULTIPATH is the personality number for multipath. > > BTW, why the two in the first place? Isn't it nice to > eliminate one of them? Historical reasons.... The "Level" number corresponds to the common names of the raid levels: 0, 1, 4, 5, 6 ... There is also "-1" for "linear", which is a bit of a hack. The personality numbers are dense small integers: 0 1 2 3 4 ... and are used for indexing. You are right: the personality number isn't needed and could be eliminated, however it isn't a priority for me yet. Patches welcome .... 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
