diff --git a/doc/html/bluegene.html b/doc/html/bluegene.html index caf76a9ba7c06822ccb8fef56f3c3004440a6d95..aab91954f86608b3c4ca90aa01abf07936841770 100644 --- a/doc/html/bluegene.html +++ b/doc/html/bluegene.html @@ -432,13 +432,18 @@ Nodes=bgl[001x001] Type=SMALL # 1x1x1 = 1 midplane, in four bglblocks <p>The above <i>bluegene.conf</i> file defines multiple bglblocks to be created in a single midplane (see the "SMALL" option). Note that you can not presently control how many bglblocks are created -in a midplane, it will be at most four. +in a midplane, it will be four. Using this mechanism, up to eight independent jobs can be executed simultaneously on a one-rack Blue Gene system. -If using small midplanes or "small bglblocks", the SLURM partition containing -them as defined in <i>slurm.conf</i> must have the parameter -<i>Shared=force</i> to enable scheduling of multiple jobs on what -SLURM considers a single node.</p> +If defining bglblocks of <i>Type=SMALL</i>, the SLURM partition +containing them as defined in <i>slurm.conf</i> must have the +parameter <i>Shared=force</i> to enable scheduling of multiple +jobs on what SLURM considers a single node. +SLURM partitions that do not contain bglblocks of <i>Type=SMALL</i> +may have the parameter <i>Shared=no</i> for a slight improvement in +scheduler performance. +As in all SLURM configuration files, parameters and values +are case insensitive.</p> <p>One more thing is required to support SLURM interactions with the DB2 database (at least as of the time this was written).