As a workaround this udev rule can be used. Caveat: It works as intended for us, but I'm not an udev expert.
** Attachment added: "90-hpsa-limitiosize.rules" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1668557/+attachment/4828213/+files/90-hpsa-limitiosize.rules -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1668557 Title: Write performance regression severely affecting hpsa controllers To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1668557/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs