IBM LoadLeveler for AIX 5L: Using and Administering

Machine related administrative actions

You access the administrative commands that act on machines using the Admin pull-down menu in the Machines window of the GUI.

Using the GUI pull-down menu, you can perform the tasks described in this section.

Start All

Starts LoadLeveler on all machines listed in machine stanzas beginning with the central manager. Use this option when specifying alternate central managers.

Select

Admin from the Machines window.

Select

Start All

Start LoadLeveler

Allows you to start LoadLeveler on selected machines.

Select

One or more machines on which you want to start LoadLeveler.

Select

Admin from the Machines window.

Select

Start LoadLeveler

Stop LoadLeveler

Allows you to stop LoadLeveler on selected machines.

Select

One or more machines on which you want to stop LoadLeveler.

Select

Admin from the Machines window.

Select

Stop LoadLeveler.

Stop All

Stops LoadLeveler on all machines listed in machine stanzas. Use this option when specifying alternate central managers.

Select

Admin from the Machines window.

Select

Stop All

reconfig

Forces all daemons to reread the configuration files

Select

The machine on which you want to operate. To reconfigure this xloadl session, choose reconfig but do not select a machine.

Select

Admin from the Machines window.

Select

reconfig

recycle

Stops all LoadLeveler daemons and restarts them.

Select

The machine on which you want to operate.

Select

Admin from the Machines window.

Select

recycle

Configuration Tasks

Starts Configuration Tasks wizard

Select

Admin from the Machines window.

Select

Config Tasks

Note: Use the invoking script lltg to start the wizard outside of xloadl. This option will appear on the pull-down only if the LoadL.tguides fileset is installed.

drain

Allows no more LoadLeveler jobs to begin running on this machine but it does allow running jobs to complete.

Select

The machine on which you want to operate.

Select

Admin from the Machines window.

Select

drain.

A cascading menu allows you to select either daemons, schedd, startd, or startd by class. If you select daemons, both machines will be drained. If you select schedd, only the schedd on the selected machine will be drained. If you select startd, only the startd on the selected machine will be drained. If you select startd by class, a window appears which allows you to select classes to be drained.

flush

Terminates running jobs on this host and sends them back to the system queue to await redispatch. No new jobs are redispatched to this machine until resume is issued. Forces a checkpoint if jobs are enabled for checkpointing.

Select

The machine on which you want to operate.

Select

Admin from the Machines window.

Select

flush

suspend

Suspends all jobs on this host.

Select

The machine on which you want to operate.

Select

Admin from the Machines window.

Select

suspend

resume

Resumes all jobs on this machine.

Select

The machine on which you want to operate.

Select

Admin from the Machines window

Select

resume

A cascading menu allows you to select either daemons, schedd, startd, or startd by class. If you select daemons, both machines will be resumed. If you select schedd, only the schedd on the selected machine will be resumed. If you select startd, only the startd on the selected machine will be resumed. If you select startd by class, a window appears which allows you to select classes to be resumed.

Purge

Allows you to instruct the schedd daemon to purge all transactions pending on the selected machines. The selected machines must be machines that are not returning to the LoadLeveler cluster. This option is intended for recovery and clean up after a machine has permanently crashed or was inadvertently removed from the LoadLeveler cluster before all activity on it was quiesced.

Select

One or more machines that are no longer available but still have queued transactions.

Select

Admin pull-down menu from the Machines window

Select

Purge

&TRIANGLE. The Purge Machine window opens

Type in

The name of the machine running the schedd daemon which purges the transactions

Press

OK

Capture Data

Collects information on the machines selected.

Select

The machine on which you want to operate.

Select

Admin from the Machines window.

Select

Capture Data.

Collect Account Data

Collects accounting data on the machines selected.

Select

The machine on which you want to operate.

Select

Admin from the Machines window.

Select

Collect Account Data.

A window appears prompting you to enter the name of the directory in which you want the collected data stored.

Create Account Report

Creates an accounting report for you.

Select

Admin > Create Account Report...

Note: If you want to receive an extended accounting report, select the extended cascading button.

A window appears prompting you to enter the following information:

• A short, long, or extended version of the output. The short version is the default.
• The user ID
• The class name
• The LoadL (LoadLeveler) group name
• The UNIX group name
• The Allocated host
• The job ID
• The report Type
• The section
• A start and end date for the report. If no date is specified, the default is to report all of the data in the report.
• The name of the input data file.
• The name of the output data file. This is the same as stdout.

Press

OK

The window closes and you return to the main window. The report appears in the Messages window if no output data file was specified.

version

Displays version and release data for LoadLeveler on the machines selected in an information window.

Select

The machine on which you want to operate.

Select

Admin from the Machines window.

Select

version