QLogic OFED+ Host Software User Guide, Rev. B

I–Useful Programs and Files
Summary and Descriptions of Useful Files
Table I-3. Common Tasks and Commands Summary (Continued)
Reboot hosts
Function
Command
As a root user:
mpirun -m hostsfile -ppn 1 \
-np numhosts -nonmpi reboot
Run a command on all hosts mpirun -m hostsfile -ppn 1 \
-np numhosts -nonmpi
Examples:
mpirun -m hostsfile -ppn 1 \
-np numhosts -nonmpi hostname
mpirun -m hostsfile -ppn 1 \
-np numhosts -nonmpi date
Copy a file to all hosts
Summarize the fabric components
Show the status of host Infini-
Band ports
Verify that the hosts see each
other
Check MPI performance
Using bash:
$ for i in $( cat hostsfile )
do
scp $i:
done
ipathbug-helper -m hostsfile \
> ipath-info-allhosts
ipathbug-helper -m hostsfile \
> ipath-info-allhosts
mpirun -m hostsfile -ppn 1 \
-np numhosts -nonmpi ipath_control -i
ipath_checkout --run=5 hostsfile
ipath_checkout --run=7 hostsfile
Generate all hosts problem
report information
ipathbug-helper -m hostsfile \
> ipath-info-allhosts
Table Notes
The " \ " indicates commands that are broken across multiple lines.
Summary and Descriptions of Useful Files
Useful files are summarized in Table I-4. Names in blue text are linked to a
corresponding section that provides further details.
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