How to capture a vmcore of hung Red Hat Enterprise Linux VMware® guest system using VMware® "vmss2core" tool ?

Solution Verified - Updated -

Issue

  • RHEL server running on VMware hung or rebooted, need root cause analysis (RCA)
  • VM is hanging and unresponsive on vCenter console, how to troubleshoot?
  • How to capture a vmcore from RHEL VMware® guest system?
  • RHEL OS on VMWare has high load or is not responding, how to capture core file for analysis

Environment

  • Red Hat Enterprise Linux 4,5,6,7,8
  • VMware® Workstation 7.1
  • ESX
  • VMware® "vmss2core" tool
  • vmcore

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