On Tue, 1 Dec 2015 17:02:27 -0600 Dallas Clement <dallas.a.clement@xxxxxxxxx> wrote: > I am frankly surprised at these results. Perhaps there is some > configuration or tunable settings that have changed since the 2.6 > kernel that I am unaware of that affect RAID 5, 6 performance. Please > comment if you have any ideas which might explain what I am seeing. Do you use a write intent bitmap (internal?), what is your bitmap chunk size? What is your stripe_cache_size set to? -- With respect, Roman
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