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Appendices > Appendix F: Large cluster considerations > Starting TORQUE in large environments

Starting TORQUE in large environments

If running TORQUE in a large environment, use these tips to help TORQUE start up faster.

Fastest possible start up

  1. Create a MOM hierarchy, even if your environment has a one-level MOM hierarchy (meaning all MOMs report directly to pbs_server), and copy the file to the mom_priv directory on the MOMs.
  2. Start pbs_server with the -n option. This specifies that pbs_server won't send the hierarchy to the MOMs unless a MOM requests it.
  3. Start the MOMs normally.

If no daemons are running

  1. Start pbs_server with the -c option.
  2. Start the MOMs without the -w option.

If MOMs are running and just restarting pbs_server

  1. Start pbs_server without the -c option.

If restarting a MOM or all MOMs

  1. Start pbs_server without the -w option. Starting it with -w causes the MOMs to appear to be down.

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