On Tue, Dec 16, 2008 at 9:26 AM, Jon Nelson <jnelson-linux-raid@xxxxxxxxxxx> wrote: > On Tue, Dec 16, 2008 at 4:10 AM, Keld Jørn Simonsen <keld@xxxxxxxx> wrote: >> On Mon, Dec 15, 2008 at 10:28:30PM -0600, Jon Nelson wrote: >>> On Mon, Dec 15, 2008 at 10:03 PM, Keld Jørn Simonsen <keld@xxxxxxxx> wrote: >>> >>> > there was a pach to speed up raid10,f2 check in a recent kernel, >>> > something like 2.6.27. It did improve thruput from something >>> > like 40 % to about 90 %. What kernel are you using? >>> >>> 2.6.25.18-0.2-default >> >> I believe the patch arrived in a later kernel. If you can try it out >> with a vanilla kernel and report, I think it would be quite interesting. > > I'm pretty sure I did try it out and did have an improvement. > However, thanks to the power of the openSUSE build service, I am going > to build a kernel just now, if I can. Scratch that. I decided to just do this at home. The suse kernel 2.6.25.18-0.2 appears to have this patch already. Thus, I've been running with this patch. -- Jon -- 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