Attmpt to use IoOpsFilter

environment/answers.sls

@@ -168,7 +168,7 @@ neutron:
 nova:
   token_ttl: 3600
   available_filters: nova.scheduler.filters.all_filters
-  enabled_filters: AvailabilityZoneFilter, ComputeFilter, MetricsFilter, ImagePropertiesFilter, ServerGroupAntiAffinityFilter, ServerGroupAffinityFilter
+  enabled_filters: AvailabilityZoneFilter, ComputeFilter, IoOpsFilter, ImagePropertiesFilter, ServerGroupAntiAffinityFilter, ServerGroupAffinityFilter
   scheduler_host_subset_size: 1
   scheduler_weight_classes: nova.scheduler.weights.all_weighers
   cpu_weight_multiplier: 1.0
@@ -176,6 +176,7 @@ nova:
   io_ops_weight_multiplier: 2.0
   soft_affinity_weight_multiplier: 1.0
   soft_anti_affinity_weight_multiplier: 1.0
+  max_io_ops_per_host: 10
 
 ## the theme you wish to install in horizon (set url to false if none).  URL should point to git repo
 ## name should be the top-level directory you wish to extract the theme to