NAME

       slurm - SLURM system overview.

DESCRIPTION

       The  Simple  Linux  Utility  for  Resource  Management  (SLURM)  is an open source, fault-
       tolerant, and highly scalable cluster management and job scheduling system for  large  and
       small  Linux  clusters.  SLURM  requires  no kernel modifications for its operation and is
       relatively self-contained. As a cluster resource manager, SLURM has three  key  functions.
       First,  it allocates exclusive and/or non-exclusive access to resources (compute nodes) to
       users for some duration of time so they can perform work. Second, it provides a  framework
       for  starting,  executing,  and  monitoring  work  (normally a parallel job) on the set of
       allocated nodes.  Finally, it arbitrates contention for resources by managing a  queue  of
       pending  work.   Optional  plugins  can be used for accounting, advanced reservation, gang
       scheduling (time sharing for parallel jobs), backfill scheduling, resource limits by  user
       or bank account, and sophisticated multifactor job prioritization algorithms.

       SLURM  has a centralized manager, slurmctld, to monitor resources and work. There may also
       be a backup manager to assume those responsibilities in the event of failure. Each compute
       server  (node)  has a slurmd daemon, which can be compared to a remote shell: it waits for
       work, executes that work, returns status, and waits for more work.  An  optional  slurmDBD
       (SLURM DataBase Daemon) can be used for accounting purposes and to maintain resource limit
       information.

       Basic user tools include srun to initiate jobs, scancel to  terminate  queued  or  running
       jobs,  sinfo  to  report  system status, and squeue to report the status of jobs. There is
       also an administrative tool scontrol available to monitor and/or modify configuration  and
       state information. APIs are available for all functions.

       SLURM configuration is maintained in the slurm.conf file.

       Man  pages  are available for all SLURM commands, daemons, APIs, plus the slurm.conf file.
       Extensive documentation is also available on the internet at <http://slurm.schedmd.com/>.

COPYING

       Copyright (C) 2005-2007 The Regents of the University of California.  Produced at Lawrence
       Livermore National Laboratory (cf, DISCLAIMER).
       Copyright (C) 2008-2009 Lawrence Livermore National Security.
       Copyright (C) 2010-2013 SchedMD LLC.

       This   file   is  part  of  SLURM,  a  resource  management  program.   For  details,  see
       <http://slurm.schedmd.com/>.

       SLURM is free software; you can redistribute it and/or modify it under the  terms  of  the
       GNU  General Public License as published by the Free Software Foundation; either version 2
       of the License, or (at your option) any later version.

       SLURM is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
       even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
       GNU General Public License for more details.

SEE ALSO

       sacct(1),  sacctmgr(1),   salloc(1),   sattach(1),   sbatch(1),   sbcast(1),   scancel(1),
       scontrol(1),  sinfo(1),  smap(1),  squeue(1),  sreport(1),  srun(1), sshare(1), sstate(1),
       strigger(1), sview(1), bluegene.conf(5),  slurm.conf(5),  slurmdbd.conf(5),  wiki.conf(5),
       slurmctld(8), slurmd(8), slurmdbd(8), slurmstepd(8), spank(8)