On Wed, 25 Nov 2009 00:52:06 +0700 Igor Podlesny <for.poige+linux@xxxxxxxxx> wrote: > Hello, Linux RAID people. :-) > > It ( http://tinyurl.com/raid-over-cores ) is quite an interesting > change due to it promises less latency and more bandwidth (does it > really?), but as far as I see, currently this feature is turned OFF: > CONFIG_MULTICORE_RAID456: "If unsure, say N". > > So, I'd like to ask the authors what are worst case scenarios when > having it turned ON? > > Is "kissing data good-bye" amongst one of them? :-) > Worst case is that performance falls through the floor, or becomes very unpredictable, or possibly even hangs your machine (though that is unlikely). There is no reason to expect that enabling this config option will have any effect on data integrity. If you do experiment, please post your results. 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