On Fri, Feb 29, 2008 at 09:24:42AM +0100, Franck Routier wrote: > By the way, my server in not really in a production state, and the > hardware is running, so I might take some time to do sensible tests if > anyone has ideas of what a good test would be... I would like you to investigate why random writes are so relatively slow with raid10,f2. You could run the bonnie+ tests, and then watch via an iostat how each of the disks are performing, compared to a HW RAID10. And also see if it matters if the resync has completed or not. Best regards keld > > > I like to get such results of comparison between HW and SW raid. > > How advanced are Adaptec controllers considered these days? > > My thoughts are that SW raid is faster than HW raid, because Neil and the > > other people here together can develop more sophisticated algorithms, > > but I would like some hard figures to back up that thought. > > > -- > 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 -- 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