>>>>> "Lukas" == Lukas Czerner <lczerner@redhat.com> writes: Lukas> So I gave it a try. First of all the device composed of SSD and Lukas> spinning disk does export discard_support information properly, Lukas> however it also advertise discard_zeroes_data which is wrong and Lukas> possibly dangerous and should be fixed! I can't reproduce this here. If I mix discard and non-discard devices things work correctly. discard_zeroes_data also gets cleared if I mix discard-capable drives where one zeroes and one doesn't. -- Martin K. Petersen Oracle Linux Engineering _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/