Red Hat Bugzilla – Bug 1013463
read/write IOPS drop with x-data-plane=on when block size is small (4k/16k)
Last modified: 2013-12-05 05:33:51 EST
data-plane is tech-preview in RHEL6 and we don't plan to commit any resources to improve it for now. Users are advised to wait for RHEL7.x where data-plane will be officially supported.