kdump not saving vmcore on NFS, error message "RPC: Program unavailable"

Solution In Progress - Updated -

Issue

  • I have followed the knowledgebase document to configure NFS network dump location. The NFS share has full permission for write for everyone. It is not working, giving error at console:
Saving to remote location nfs-server...
mount: RPC: Program unavailable
dropping to initramfs shell

Environment

  • Red Hat Enterprise Linux 6.5
  • kernel-2.6.32-431.el6.x86_64
  • kexec-tools-2.0.0-273.el6.x86_64
  • busybox-1.15.1-20.el6.x86_64
  • Netapp NFS server

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