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openmpi/orte/tools/orte-checkpoint/orte-checkpoint.1in
2015-06-23 20:59:57 -07:00

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.\"
.\" Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
.\" University Research and Technology
.\" Corporation. All rights reserved.
.\" Copyright (c) 2008 Sun Microsystems, Inc. All rights reserved.
.\"
.\" Man page for OMPI's ompi-checkpoint command
.\"
.\" .TH name section center-footer left-footer center-header
.TH OMPI-CHECKPOINT 1 "#OMPI_DATE#" "#PACKAGE_VERSION#" "#PACKAGE_NAME#"
.\" **************************
.\" Name Section
.\" **************************
.SH NAME
.
ompi-checkpoint, orte-checkpoint \- Checkpoint a running parallel process using the Open MPI
Checkpoint/Restart Service (CRS)
.
.PP
.
\fBNOTE:\fP \fIompi-checkpoint\fP, and \fIorte-checkpoint\fP are all exact
synonyms for each other. Using any of the names will result in exactly
identical behavior.
.
.\" **************************
.\" Synopsis Section
.\" **************************
.SH SYNOPSIS
.
.B ompi-checkpoint
.B [ options ]
.B <PID_OF_MPIRUN>
.
.\" **************************
.\" Options Section
.\" **************************
.SH Options
.
\fIorte-checkpoint\fR will attempt to notify a running parallel job (identified
by \fImpirun\fP) that it has been requested that the job checkpoint itself. A
global snapshot handle reference is presented to the user, which is used in
\fIompi_restart\fP to restart the job.
.
.TP 10
.B <PID_OF_MPIRUN>
Process ID of the \fImpirun\fP process.
.
.
.TP
.B -h | --help
Display help for this command
.
.
.TP
.B -w | --nowait
Do not wait for the application to finish checkpointing before returning.
.
.
.TP
.B -s | --status
Display status messages regarding the progression of the checkpoint request.
.
.
.TP
.B --term
After checkpointing the running job, terminate it.
.
.
.TP
.B -v | --verbose
Enable verbose output for debugging.
.
.
.TP
.B -gmca | --gmca \fR<key> <value>\fP
Pass global MCA parameters that are applicable to all contexts. \fI<key>\fP is
the parameter name; \fI<value>\fP is the parameter value.
.
.
.TP
.B -mca | --mca <key> <value>
Send arguments to various MCA modules.
.
.
.\" **************************
.\" Description Section
.\" **************************
.SH DESCRIPTION
.
.PP
\fIorte-checkpoint\fR can be invoked multiple, non-overlapping times.
It is convenient to note that the user does not need to spectify
the checkpointer to be used here, as that is determined completely by each of
the running process in the job being checkpointed.
.
.
.\" **************************
.\" See Also Section
.\" **************************
.
.SH SEE ALSO
orte-ps(1), orte-clean(1), ompi-restart(1), opal-checkpoint(1), opal-restart(1), opal_crs(7)
.