6.5.2. Reconfiguring Nodes

The procedure for reconfiguring a multi-node system depends on whether your system employs a global map file or a local map file.

Global Map Reconfiguration Procedure

To reconfigure a multi-node system that employs a global map:

1. Verify that all nodes use the same global map file path.
2. Delete the following files from each node:
   • Scxmap.dat
   • Scxnode.ini
   • Scxmap.dat (from the backup map file directory)
   • Sctscustom (if your system employs data blocking)

     For further details about these files, see Table 14, SCX 160 SCxbus Adapter Files.

3. Set the Intel Dialogic System Startup Mode to Manual (if it isn't already set this way).
4. Stop the Intel Dialogic System (for details, see Section 5.1, Starting and Stopping the Intel® Dialogic System).
5. Turn off the power at each node.
6. Make any hardware modifications (removing or adding boards) you require.
7. For every node in the system - starting with the first node and continuing through all the nodes in sequential order - power up each node and carry out the instructions beginning with Section 6.2, Determining Installation Requirements.

Local Map Reconfiguration Procedure

In order to reconfigure a system employing a local map file, the following steps must be carried out for the lowest numbered node to be reconfigured and for every higher node through the last node in the multi-node system. For example, if you want to reconfigure node number 5, you would need to reconfigure node 5 and all higher nodes.

1. The first step depends on whether the current node is the first node to be reconfigured or a subsequent higher node:
   • Current node is first node to be reconfigured: At the n-1 node, where n is the lowest numbered node to be reconfigured, copy the Scxmap.dat file to a disk.

     For example, if you want to reconfigure node number 5, copy the Scxmap.dat file from node number 4.

   • Current node is a subsequent higher node: Copy the Scxmap.dat file from the previously configured node to a disk.

     For example, if you have already configured node 6, copy the Scxmap.dat file from node number 6.

2. Delete the following files from the current node:
   • Scxmap.dat
   • Scxnode.ini
   • Scxmap.dat (from the backup map file directory)
   • Sctscustom (if your system employs data blocking)

     For further details about these files, see Table 14, SCX 160 SCxbus Adapter Files.

3. Set the Intel Dialogic System Startup Mode to Manual (if it isn't already set this way).
4. Stop the Intel Dialogic System (for details, see Section 5.1, Starting and Stopping the Intel® Dialogic System).
5. Power down the current node.
6. Make any hardware modifications (removing or adding boards) you require.
7. Power up the node.
8. Carry out the instructions beginning with Section 6.2, Determining Installation Requirements.

   Copy the Scxmap.dat file from step 1 to the current node's local map file directory from the disk.

9. Repeat steps 1 through 7 for all nodes higher than the first node to be reconfigured.

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