anchor.diff:      - data 
   ----
   
  -. To remove a node, create a Cluster Logging Custom Resource (CR) to reduce the number of nodes of a specific type:
  +. To scale down, create a Cluster Logging Custom Resource (CR) to reduce the number of nodes of a specific type:
   +
   [source,yaml]
   ----
  
positive.code: 
  .Procedure
  
  . To add a data node, create a Cluster Logging Custom Resource (CR) to add a number of nodes of a specific type:
  +
  [source,yaml]
  ----
  
negative.code: // * logging/efk-logging-elasticsearch.adoc
  
  [id='efk-logging-elasticsearch-add-remove_{context}']
  = Scaling your Elasticsearch cluster
  
  You can scale the number of data nodes in Elasticsearch.
  
  For example, if you want to increase redundancy, and use the `FullRedundancy` or `MultipleRedundancy` policy, you can scale up the cluster to increase the number of shard replicas in your cluster.  
  
  .Prerequisite
  
  