On Mon, Jul 17, 2006 at 01:32:38AM +0800, Federico Sevilla III wrote: > On Sat, Jul 15, 2006 at 12:48:56PM +0200, Martin Steigerwald wrote: > > I am currently gathering information to write an article about journal > > filesystems with emphasis on write barrier functionality, how it > > works, why journalling filesystems need write barrier and the current > > implementation of write barrier support for different filesystems. > > Cool! Would you by any chance have information on the interaction > between journal filesystems with write barrier functionality, and > software RAID (md)? Based on my experience with 2.6.17, XFS detects that > the underlying software RAID 1 device does not support barriers and > therefore disables that functionality. Noone here seems to know, maybe Neil &| the other folks on linux-raid can help us out with details on status of MD and write barriers? cheers. -- Nathan - 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
