On Thu, May 29 2014 at 5:58pm -0400, Mike Snitzer <snitzer@redhat.com> wrote: > BTW, this is all with a eye toward realizing the optimization that > dm-cache provides for origin blocks that were discarded (like I said > before dm-cache doesn't promote from the origin if the corresponding > block was marked for discard). So you don't _need_ to do any of > this.. purely about trying to optimize a bit more. And if you do make use of discards, you should have this stable fix applied to your kernel: https://git.kernel.org/cgit/linux/kernel/git/device-mapper/linux-dm.git/commit/?h=for-linus&id=f1daa838e861ae1a0fb7cd9721a21258430fcc8c _______________________________________________ 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/
