Description of problem:

Elasticsearch rollout not happening during storage update in clusterlogging/instance.

Version-Release number of selected component (if applicable):

• logging 5.6.14, 5.8.1

How Reproducible: 100%

Steps to Reproduce:

 - Updating storage section in clusterlogging/instance , elasticsearch pods are not automatically reconciling with the latest configuration.

  Warning  FailedScheduling  75s   default-scheduler  0/16 nodes are available: 16 persistentvolumeclaim "elasticsearch-elasticsearch-cdm-u1oorzvb-1" not found. preemption: 0/16 nodes are available: 16 Preemption is not helpful for scheduling.
  Warning  FailedScheduling  27s   default-scheduler  0/16 nodes are available: 16 persistentvolumeclaim "elasticsearch-elasticsearch-cdm-u1oorzvb-1" not found. preemption: 0/16 nodes are available: 16 Preemption is not helpful for scheduling. 

• Elasticsearch deployment is not getting updated with new values on its own.

Workaround:

• Need to delete the elasticsearch deployment every-time any change in made in storage section of clusterlogging/instance.