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sattach

NAME

sattach - Attach to a SLURM job step.

SYNOPSIS

sattach [options] <jobid.stepid>

DESCRIPTION

sattach attaches to a running SLURM job step. By attaching, it makes available the IO streams of all of the tasks of a running SLURM job step. It also suitable for use with a parallel debugger like TotalView.

OPTIONS

-h, --help

Display help information and exit.

--input-filter[=]<task number>

--output-filter[=]<task number>

--error-filter[=]<task number>

Only transmit standard input to a single task, or print the standard output or standard error from a single task. The filtering is performed locally in sattach.

-l, --label

Prepend each line of task standard output or standard error with the task number of its origin.

--layout

Contacts the slurmctld to obtain the task layout information for the job step, prints the task layout information, and then exits without attaching to the job step.

-Q, --quiet

Suppress informational messages from sattach. Errors will still be displayed.

-u, --usage

Display brief usage message and exit.

-V, --version

Display SLURM version number and exit.

-v, --verbose

Increase the verbosity of sattach's informational messages. Multiple -v's will further increase sattach's verbosity.

INPUT ENVIRONMENT VARIABLES

Upon startup, salloc will read and handle the options set in the following environment variables. Note: Command line options always override environment variables settings.

SLURM_EXIT_ERROR

Specifies the exit code generated when a SLURM error occurs (e.g. invalid options). This can be used by a script to distinguish application exit codes from various SLURM error conditions.

EXAMPLES

sattach 15.0

sattach --output-filter 5 65386.15

COPYING

Copyright (C) 2006-2007 The Regents of the University of California. Copyright (C) 2008-2009 Lawrence Livermore National Security. Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). CODE-OCEC-09-009. All rights reserved.

This file is part of SLURM, a resource management program. For details, see <https://computing.llnl.gov/linux/slurm/>.

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

sinfo(1), salloc(1), sbatch(1), squeue(1), scancel(1), scontrol(1), slurm.conf(5), sched_setaffinity(2), numa(3)