What are the limitations of High Availability clustering?

Solution Verified - Updated -

Issue

  • When to use High Availability clustering?
  • My cluster resources are up and running but clients are not able to access the services.
  • Is there any High Availability resource that can provide end-to-end redundancy?
  • My application in the cluster resource crashes frequently.

Environment

  • Red Hat Enterprise Linux server all versions (with the High Availability and Resilient Storage Add Ons)
  • pacemaker
  • rgmanager

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