On 5/23/2013 3:30 AM, keld@xxxxxxxxxx wrote: > On Thu, May 23, 2013 at 12:59:39AM -0500, Stan Hoeppner wrote: >> You may be tempted to use md/RAID10 of some layout >> to optimize for writes, but you'd gain nothing, and you'd lose some >> performance due to overhead. The partitions you'll be using in this >> case are so small that they easily fit in a single physical disk track, >> thus no head movement is required to seek between sectors, only rotation >> of the platter. ... > I think a raid10,far3 is a good choice for swap, then you will enjoy > RAID0-like reading speed. and good write speed (compared to raid6), > and a chance of live surviving if just one drive keeps functioning. As I mention above, none of the md/RAID10 layouts will yield any added performance benefit for swap partitions. And I state the reason why. If you think about this for a moment you should reach the same conclusion. -- Stan -- 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
