Moab Workload Manager
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mrmctl

(Moab Resource Manager Control)

Synopsis

 

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

> mrmctl -m state=disabled -w queue=batch base

Moab will disable the queue batch within the resource manager base.
   
-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]}}
Default: ---
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.
   
-w — Where
Format: {starttime=<TIME>}
Default: now
Description: Starttime for allocated resources.
Example: 
> mrmctl -x 2 -w starttime=+4:00:00

Moab will allocate 2 more resources in 4 hours.

Note 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

See Also

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