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TABLE OF
CONTENTS
SECTION I:
GETTING STARTED
Accounts
Environment
MPI
LTM
SECTION
II: ] |
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LACE Task
Manager
This a quick reference for LTM commands.
LACE Tas Manager (LTM) is a scheduler for LINUX clusters.
COMMAND: ltmsuper
DESCRIPTION: ltmsuper is used to start user supervisor daemon
FORM: ltmsuper
COMMAND:
ltmbegin
DESCRIPTION: ltmbegin is used to start a cluster session
FORM: ltmbegin [-S <name>] [-n<n>] [-m<n>]
[-h<n>]
Option: -S <name> -- alternate name of session
Option: -n<n> -- number of nodes
Option: -m<n> -- number of minutes
Option: -h<n> -- number of hours
COMMAND: ltmsh
DESCRIPTION: ltmsh allows shell commands to be executed on the nodes of a
cluster session
FORM: ltmsh [-S <name>] [-s<n>] [-n<n>] <shell
command>
Option: -S <name> -- alternate name of session
Option: -s<n> -- first node of sub-cluster to be used
Option: -n<n> -- number of nodes
COMMAND: ltmcp
DESCRIPTION: ltmcp allows files to be copied from the host node to the nodes
of a cluster session
FORM: ltmsh [-S <name>] [-s<n>] [-n<n>]
<source> <destination>
Option: -S <name> -- alternate name of session
Option: -s<n> -- first node of sub-cluster to be used
Option: -n<n> -- number of nodes
COMMAND:
ltmpi
DESCRIPTION: ltmpi allows an mpi programto be executed on
the nodes of cluster session
FORM: ltmsh [-S <name>] [-s<n>] [-n<n>]
[-p<n>] [-t<n>] <mpi program and arguments>
Option: -S <name> -- alternate name of session
Option: -s<n> -- first node of sub-cluster to be used
Option: -n<n> -- number of nodes
Option: -p<n> -- number of mpi processes per node
Option: -t<n> -- total number of mpi processes in task
COMMAND: ltmstate
DESCRIPTION: ltmstate displays the state of the queue
FORM: ltmstate
COMMAND: ltmend
DESCRIPTION: ltmend is used to terminate a cluster session
FORM: ltmend
Option: -S <name> -- alternate name of session
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NASA/Goddard Space Flight Center
High Performance Computing
HYDRA Cluster:
Thunderhead, Medusa, Orka,
Pivot, BBBLUE
NASA Summer School for High
Performance
Computing:
Resources,
Links
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