Can I configure my RHEL 5, 6, or 7 High Availability cluster to use an MPM worker with an apache (httpd) resource?

Solution In Progress - Updated -

Issue

  • How to configure RHCS apache OCF-agent to utilize the worker MPM.
  • I have attempted to configure an apache worker MPM via /etc/sysconfig/httpd but it does not seem to have the desired effect.
  • Is there any special configuration needed on the cluster when Apache is used as a service and cu want to use MPM worker?
  • Our cluster serves apache with RHEL High Availability, and I want to configure it to use an MPM worker. Is this possible?
  • If I configure HTTP=/usr/sbin/httpd.worker in /etc/sysconfig/httpd and start the httpd service, it runs the MPM worker as I expect. But if I try to start apache via a cluster resource, it runs the normal httpd binary.
  • How can I tell my pacemaker apache resource to run httpd.mpm?
  • How can I tell my rgmanager apache resource to run httpd.mpm?

Environment

  • Red Hat Enterprise Linux (RHEL) 5, 6, or 7 with the High Availability Add On
  • rgmanager or pacemaker
  • One or more apache resources managed by the cluster
  • A need to run apache as an MPM worker (httpd.mpm)

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