anchor.diff:  
   -spec this_node_logdir() -> {ok, string()} | {error, any()}.
   this_node_logdir() ->
  -    logdir(ns_config:get(), node()).
  +    logdir(ns_config:latest_config_marker(), node()).
   
   -spec logdir(any(), atom()) -> {ok, string()} | {error, any()}.
   logdir(Config, Node) ->
  
positive.code: 
  allowed_node_quota_range() ->
      MemoryData = this_node_memory_data(),
      allowed_node_quota_range(ns_config:get(), MemoryData, 1024).
  
  allowed_node_quota_range(MemoryData) ->
      allowed_node_quota_range(ns_config:get(), MemoryData, 1024).
  
  %% when validating memory size versus cluster quota we use less strict
  %% rules so that clusters upgraded from 1.6.0 are able to join
  
negative.code: 
  
  memory_quota() ->
      memory_quota(ns_config:latest_config_marker()).
  
  memory_quota(Config) ->
      {value, RV} = ns_config:search(Config, memory_quota),
  