• Forum discussion: http://community.pbspro.org/t/enhancing-pbs-snapshot-for-multi-sched/870
• Pull Request: https://github.com/PBSPro/pbspro/pull/616
• Background:

  • With the multi-sched feature (PP-337: Multiple schedulers servicing the PBS cluster) being checked in, pbs_snapshot will need to be enhanced to capture information from all of the schedulers correctly. Right now, it captures the following information about the default scheduler:

    • qmgr list sched

    • sched_priv

    • sched_logs

  • With multisched in the picture, qmgr list sched should still work out of the box to capture info about all schedulers. But sched_priv and sched_logs of the different schedulers will need to be captured separately for each scheduler.
• Design Proposal:
  • The first level of snapshot directory will capture sched_priv and sched_logs from all the different schedulers.
    • The rationale is that PBS saves sched_priv and sched_logs at the first level of PBS_HOME, so this would be consistent with that.
  • For the default scheduler, they will still be called "sched_priv" and "sched_logs".
  • For all the other schedulers, they will be named as 'sched_priv_<sched_name>' & 'sched_logs_<sched_name>' where 'sched_name' is the name of the respective scheduler.

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