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 HP DCE/9000 Version 1.6: Planning and Configuring HP DCE 1.6 > Chapter 5 Configuring HP DCE Cells

Choosing a Cell Configuration Tool
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HP DCE/9000 offers two cell configuration tools: a script-based tool, dce_config, and a SAM-based tool, DCM (DCE Configuration Manager). SAM (System Administration Manager) is an HP-UX menu-driven system administration program that includes several other system administration utilities, in addition to the DCE cell configuration component.

DCM and dce_config

DCM is essentially a graphical front-end to dce_config. However, in addition to the ease-of-use that a graphical interface confers, DCM has some important functional differences that offer advantages over running dce_config. Therefore, we recommend that you use DCM, and not dce_config, to configure cells in almost all cases. (See "Limitations of DCM," the next subsection, for further details.)

Advantages of DCM

Some of the advantages of DCM are:

  • DCM has a template mode that allows you to create prototype configurations that can be tested before actually creating them.

  • DCM checks systems before performing the configuration.

  • DCM prevents you from creating an invalid configuration.

  • DCM allows you to configure all HP DCE/9000 Version 1.2, 1.2.1, 1.3.1, 1.4, 1.4.1, 1.4.2, 1.5, and 1.6 systems in your cell remotely, from a single administrative node. However, DCM does not configure and may not discover all aspects of other vendors' system configuration.

  • DCM remembers the last successful configuration. This information is used only when the cell is "down" or critical DCE servers are not running.

  • DCM includes complete online documentation.

Limitations of DCM

While using DCM is completely compatible with using the dce_config script, there are a few limitations to DCM, as follows.

  • When DCM examines the cell, it initiates a "discovery" process to determine the status of the cell. If the cell is down, or critical DCE servers are down, the discovery process may fail and DCM will revert to the last successful configuration.

  • DCM does not ask if you want to create a LAN profile.

  • DCM does not permit you to enter the name of the clearinghouse when you create a CDS replica. It defaults to hostname.ch. It also, therefore, does not ask if more directories should be replicated.



Chapter 5 Configuring HP DCE Cells
  		 


Configuring Cells with DCM  
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