RHEV-M Mechanism for adding additional fence agents

Solution Verified - Updated -

Issue

  • None of our systems directly access the iLO or iDRAC. Therefore RHEV-M needs to have the ability to add in a custom fence agent.
  • None of the service processors, ilo/drac/... have IP connectivity. Currently we rely on RS-232 serial connectivity from a terminal server to the server's external serial port. The service processor is accessed by invoking its shell via special escape sequence over the serial port, e.g. HP and Dell use

    <ESC>+(
    
  • Console Server connects to the serial ports via ssh to the terminal server(dedicated tcp port per serial port).

  • Is it possible to re-use fencing scripts used with Red Hat High Availability Add On
  • A custom fencing mechanism is needed that lets us specify a script that will be called when a power action needs to be taken on a hypervisor.

Environment

  • Red Hat Enterprise Virtualization (RHEV) 3.x

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