IBM LoadLeveler for AIX 5L: Using and Administering

Job related administrative actions

You access the administrative commands that act on jobs through the Admin pull-down menu in the Jobs window of the GUI.

You can perform the following tasks with this menu:

Favor Users

Allows you to favor users. This means that you can select one or more users whose jobs you want to move up in the job queue. This corresponds to the llfavoruser command.

Select

Admin from the Jobs window

Select

Favor User

&TRIANGLE.The Order by User window appears.

Type in

The name of the user for whom you want to favor their jobs.

Press

OK

Unfavor Users

Allows you to unfavor users. This means that you want to unfavor the user's jobs which you previously favored. This corresponds to the llfavoruser command.

Select

Admin from the Jobs window

Select

Unfavor User

&TRIANGLE.The Order by User window appears.

Type in

The name of the user for whom you want to unfavor their jobs.

Press

OK

Favor Jobs

Allows you to select a job that you want to favor. This corresponds to the llfavorjob command.

Select

One or more jobs from the Jobs window

Select

Admin from the Jobs window

Select

Favor Job

&TRIANGLE.The selected jobs are favored.

Press

OK

Unfavor Jobs

Allows you select a job that you want to unfavor. This corresponds to the llfavorjob command.

Select

One or more jobs from the Jobs window

Select

Admin from the Jobs window

Select

Unfavor Job

&TRIANGLE.Unfavors the jobs that you previously selected.

Syshold

Allows you to place a system hold on a job. This corresponds to the llhold command.

Select

A job from the Jobs window

Select

Admin pull-down menu from the Jobs window

Select

Syshold to place a system hold on the job.

Release From Hold

Allows you to release the system hold on a job. This corresponds to the llhold command.

Select

A job from the Jobs window

Select

Admin pull-down menu from the Jobs window

Select

Release From Hold to release the system hold on the job.

Preempt

Available when using Gang or external schedulers. Preempt allows you to place the selected jobs in preempted state. This action corresponds to the llpreempt command.

Select

One or more jobs from the Jobs window

Select

Admin pull-down menu from the Jobs window

Select

Preempt

Undo Preempt

Available only when using the Gang scheduler. Undo preempt allows you to remove user-initiated preemption (initiated using the Preempt menu option or the llpreempt command) from the selected jobs. This action corresponds to the llpreempt -u command.

Select

One or more jobs from the Jobs window

Select

Admin pull-down menu from the Jobs window

Select

Undo Preempt

Prevent Preempt

Available only when using the Gang scheduler. Prevent Preempt allows you to place the selected running job into a non-preemptable state and to preempt all other jobs running on the same nodes. This corresponds to the llmodify -x 99 command.

Note:

Use Modify Execution Factor to remove this protection from preemption.

Select

One job from the Jobs window

Select

Admin pull-down menu from the Jobs window

Select

Prevent Preempt

Modify Execution Factor

Available only when using the Gang scheduler. Modify Execution Factor allows you to modify the execution factor of the selected jobs. This corresponds to the llmodify -x [123] command.

Select

One or more jobs from the Jobs window

Select

Admin pull-down menu from the Jobs window

Select Modify Execution Factor ...

&TRIANGLE.The Modify Jobs window appears

Type in

An execution factor with an integer value between 1 and 3

Press

OK