On 5 June 2012 15:47, Ole Tange <ole@xxxxxxxx> wrote: > On Tue, Jun 5, 2012 at 5:39 AM, Igor M Podlesny <for.poige+lsr@xxxxxxxxx> wrote: >> On 5 June 2012 07:14, Ole Tange <ole@xxxxxxxx> wrote: >> […] >>> I tested this by creating 24 devices in RAM, used different chunk >>> sizes, and then copied the linux kernel source. Test script can be >>> found on http://oletange.blogspot.dk/2012/05/software-raid-performance-on-24-disks.html >> >> I don't see there "--assume-clean" option, and it's (again) not >> clear — are you playing with re-syncing RAID or what? > > Good call. But the resync is done before the mkfs.xfs is finished, so > the time of the copying is not affected by resync. > > I re-tested with --assume-clean and as expected it has no impact. Wanna try CONFIG_MULTICORE_RAID456? :-) -- -- 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
