4.0 Scheduler Commands > Commands > mrmctl

Conventions

mrmctl

Synopsis

mrmctl -f [fobject] {rmName|am:[amid]} mrmctl -l [rmid|am:[amid]] mrmctl -m <attr>=<value> [rmid|am:[amid]] mrmctl -p {rmid|am:[amid]} mrmctl -R {am|id}[:rmid]}}

Overview

mrmctl allows an admin to query, list, modify, and ping the resource managers and allocation managers in Moab. mrmctl also allows for a queue (often referred to as a class) to be created for a resource manager.

Access

By default, this command can be run by level 1 and level 2 Moab administrators (see ADMINCFG).

Format

-f - Flush Statistics
Format [<fobject>] where fobject is optional and one of messages or stats.
Default If no fobject is specified, then reported failures and performance data will be flushed. If no resource manager id is specified, the first resource manager will be flushed.
Description Clears resource manager statistics. If messages is specified, then reported failures, performance data, and messages will be flushed.
Example
> mrmctl -f base

Moab will clear the statistics for RM base.

-l - List
Format N/A
Default All RMs and AMs (when no RM/AM is specified)
Description List Resource and Allocation Manager(s)
Example
> mrmctl -l

Moab will list all resource and allocation managers.

-m - Modify
Format N/A
Default All RMs and AMs (when no RM/AM is specified).
Description Modify Resource and Allocation Manager(s).
Example
> mrmctl -m state=disabled peer13
-p - Ping
Format N/A
Default First RM configured.
Description Ping Resource Manager.
Example
> mrmctl -p base

Moab will ping RM base.

-R - Reload
Format {am|id}[:rmid]}}
Description Dynamically reloads server information for the identity manager service if id is specified; if am is specified, reloads the allocation manager service.
Example
> mrmctl -R id
Reloads the identity manager on demand.

Resource manager interfaces can be enabled/disabled using the modify operation to change the resource manager state as in the following example:

# disable active resource manager interface
> mrmctl -m state=disabled torque
# restore disabled resource manager interface
> mrmctl -m state=enabled torque

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