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ORTE_FILEM - Open RTE MCA File Management (FileM) Framework:
Overview of Open RTE’s FileM framework, and selected modules. Open MPI 4.1.7
FileM is a utility framework used by OpenRTE for a variety
of purposes, including the transport of checkpoint files, preloading user
binaries, and preloading of user files.
Open RTE
currently ships with one FileM component: rsh.
The following MCA parameters
apply to all components:
- filem_base_verbose
- Set the verbosity level for
all components. Default is 0, or silent except on error.
The
rsh component uses rcp or scp to do its file transfers. This component requires
the use of passwordless rsh or ssh between all nodes.
The rsh component
has the following MCA parameters:
- filem_rsh_priority
- The component’s priority
to use when selecting the most appropriate component for a run.
- filem_rsh_verbose
- Set the verbosity level for this component. Default is 0, or silent except
on error.
- filem_rsh_rcp
- The program to use to copy files. Generally will
be rcp or scp.
- filem_rsh_rsh
- The program used to remotely log into a given
machine and remove files. Generally will be rsh or ssh.
The
none component simply selects no FileM component. All of the FileM function
calls return immediately with ORTE_SUCCESS.
This component is the last
component to be selected by default. This means that if another component
is available, and the none component was not explicity requested then ORTE
will attempt to activate all of the available components before falling
back to this component.
orte-checkpoint(1), orte-restart(1),
opal-checkpoint(1), opal-restart(1), orte_snapc(7), opal_crs(7)
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