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Chapter 2Navigating the Grid Engine SystemThis chapter describes how to display information about grid engine system components such as users, queues, hosts, and job attributes. The chapter also introduces some basic concepts and terminology that can help you begin to use the software. For complete background information about the product, see Chapter 1, Introduction to the N1 Grid Engine 6 Software. This chapter also includes instructions for accomplishing the following tasks: QMON Main Control WindowThe grid engine system features a graphical user interface (GUI) command tool, the QMON Main Control window. The QMON Main Control window enables users to perform most grid engine system functions, including submitting jobs, controlling jobs, and gathering important information. Launching the QMON Main Control WindowTo launch the QMON Main Control window, from the command line type the following command:
After a message window is displayed, the QMON Main Control window appears. ![]() See Figure 1-3 to identify the meaning of the icons. The names of the icon buttons appear on screen as you pass the pointer over the buttons. The names describe the functions of the buttons. Many instructions in this guide call for using the QMON Main Control window. Customizing QMONThe look and feel of QMON is largely defined by a specifically designed resource file. Reasonable defaults are compiled in sge-root/qmon/Qmon, which also includes a sample resource file. The cluster administration can do any of the following:
Ask your administrator if any of these cases are relevant in your case. In addition, users can configure personal preferences. Users can modify the Qmon file. The Qmon file can be moved to the home directory or to another location pointed to by the private XAPPLRESDIR search path. Users can also include the necessary resource definitions in their private .Xdefaults or .Xresources files. A private Qmon resource file can also be installed using the xrdb command. The xrdb command can be used during operation. xrdb can also be used at startup of the X11 environment, for example in a .xinitrc resource file. Refer to the comment lines in the sample Qmon file for detailed information on the possible customizations. Another way to customize qmon uses the Job Customize and Queue Customize dialog boxes. These dialog boxes are shown in Customizing the Job Control Display and in Filtering Cluster Queues and Queue Instances. In both dialog boxes, users can use the Save button to store the filtering and display definitions to the file .qmon_preferences in their home directories. When QMON is restarted, this file is read, and QMON reactivates the previously defined behavior. Users and User CategoriesUsers of the grid engine system fall into four categories. Users in each category have access to their own set of grid engine system commands.
Table 2-1 shows the command capabilities that are available to the different user categories. Table 2-1 User Categories and Associated Command Capabilities
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