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See the OUTPUT section of the lsload manpage for furth er information about the output of
this example. In addition, refer to the Platform Computing Corporation LSF documentation and
the lsload manpage for more information about the features of this command.
7.3.4 Checking LSF System Queues
All jobs on the HP XC system that are submitted to LSF-HPC are placed into an LSF job
queue.HP recommends that you check the status and availability of LSF system queues before
launching a job so that you can select the most app ropriate q ueue for your job.
You can easily check the statu s, limits, and configuration s of LSF queues with the bqueues
command. This command is fully described in Platform Computing Corporation’s LSF
documentation and manpages.
See the bsub
(1) manpage for more inf or mat ion on submitting jobs to specific queues.
Refer to the bqueues manpage for further information about this com mand.
The bparams command displays a list of the current default queues con fig ured for the sy stem.
See the bparams
(1) manpage f or more details.
7.3.5 Getting Information About the lsf Partition
Information about the SLUR M lsf compute node partition can be viewed with the SLURM
sinfo command . A partition is one or more compute nod es that h ave been grouped together.
ASLURMlsf partition is cr eated when the HP XC system is installed. This parti tio n contains
the resources that will be managed by LSF-HPC andavailableforjobssubmittedtoLSF-HPC.
The sinfo command reports t
he state of the lsf partition and all other partitions on the
system. The sinfo command
displays a sum mary of available partition and node information
such as partition n ames, n
odes/partition, and CPUs/node). It has a wide variety of filtering,
sorting, and formatting o
ptions.
The following example shows the use of the sinfo com mand to obtain lsf partition
information:
$ sinfo -p lsf
PARTITION AVAIL TIMELIMIT NODES STATE NODELIST
lsf up infinite 128 idle n[1-128]
Use th e following comm a nd to obtain more information on the nodes in the lsf partition:
$ sinfo -p lsf -lNe
NODELIST NODES PARTITION STATE CPUS MEMORY TMP_DISK WEIGHT FEATURES REASON
n[1-128] 128 lsf idle 2 3456 1 1 (null) none
Refer to the sinfo(1) manpage and Chapter 6 for further information about using the sinfo
command.
7.4 Submitting Jobs
The bsub command submits jobs to the LSF-HPC.
This section discusses how you can use the bsub command on the HP XC system with
LSF-HPC to launch a variety of applications. This section focu ses on enhancements to the
bsub command from the LSF-HPC integration with SLURM on the HP XC system; th is
section does not discuss standard bsub functionality or f lexibility. See the Platform LSF
documentation and the bsub
(1) manpage f or more informatio n on this important command.
The bsub com m an d and its options, including the external SLURM scheduler is used to
request a set of resources on which to launch a jo b. See Section 7.1.2 for an introduction and
Section 7.4.1 for additional information. The arguments to he bsub command consist of the
user job and its arguments. The bsub options allow you to provide inform ation on the amoun t
and type of resources needed by the job.
Using LSF 7-9
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