On 5/23/2012 9:08 PM, NeilBrown wrote: > On Wed, 23 May 2012 20:18:06 -0500 Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx> > wrote: > >> On 5/23/2012 6:46 PM, Stan Hoeppner wrote: >>> On 5/23/2012 2:49 PM, David Brown wrote: >>> >>>> It looks like Shaohua Li has done some testing, found that there is a >>>> slow-down even with just 2 or 4 disks, and has written patches to fix it >>>> (for raid1 and raid10 so far), which is very nice. >>> >>> Ahh, thanks David. I wasn't aware of Shaohua Li's >>> work on this. Got a link to his documentation and patches, or article, >>> by chance? >> >> My Google searches only turn up Shaohua Li's TRIM patches. I don't >> believe the issue we're discussing has anything to do with TRIM, though >> I can't be 100% sure as Mark didn't provide much detail of his thread >> ceiling problem, and I don't have a suitable system to do proper testing. >> >> Again it would be nice to have a link to Shaohua Li's work to which you >> refer to determine if it's applicable to this issue. >> > > It's probably in your INBOX. > > http://www.spinics.net/lists/raid/msg38899.html > > NeilBrown Indeed they are. Well, in a sort folder actually. I still shouldn't have missed them. Please feel free to plant virtual palms to my forehead if you like. :) -- Stan -- 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
