On Fri, Nov 03, 2017 at 07:50:23PM +0100, Stefan Ring wrote: > It strikes me as odd that the amount read from the spinning disk is > actually more than what comes out of the combined device in the end. This suggests dm-cache is trying to promote too way too much. I'll try and reproduce the issue, your setup sounds pretty straight forward. - Joe -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel