After talking in #ubuntu-server I also got a report from a guy that he has the same issue in 10.04 with the 2.6.32 kernel. Apparently has been around for a while thus.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1031260 Title: RAID write performance is horrible. max_sectors_kb is set to the odd value of 127 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1031260/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs