demo: fix memory tuning condition

The container memory tuning should only be set on nautilus+ ceph
releases.

Signed-off-by: Dimitri Savineau <[email protected]>
(cherry picked from commit 8d185b6)

Author: dsavineau

src/daemon/demo.sh

@@ -74,7 +74,7 @@ function parse_size {
 
 function bootstrap_osd {
   # Apply the tuning on Nautilus and above only since the values applied are causing the ceph-osd to crash on earlier versions
-  if [[ ${OSD_BLUESTORE} -eq 1 ]] && [[ "${CEPH_VERSION}" =~ ^(luminous|mimic)$ ]]; then
+  if [[ ${OSD_BLUESTORE} -eq 1 ]] && [[ ! "${CEPH_VERSION}" =~ ^(luminous|mimic)$ ]]; then
     tune_memory $(get_available_ram)
   fi