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136 Chapter 4
Basic Configuration Tasks
Configuring Client/Server Functions
NOTE You cannot directly indicate which node acts as the master server; the
master server is selected based on the order in which nodes are added to
the configuration server list. If you wish to move a server to the top of the
list, remove all other nodes from the list and then add them again.
In the Motif administration program Domain window, you can add a
configuration server by selecting Make configuration server from
the Selection menu. The server is added to the end of the list; it
becomes the master server only if all other configuration servers are
unavailable. To remove a server, select Remove configuration
server from the Selection menu.
NOTE You cannot delete a server if it is the only server listed on which the
SNAplus2 software is running, because in this case there is no other
server that can take over as the master server. At least one enabled
master server is required in a client/server configuration.
You can also use the following administration commands to query, add,
and delete configuration servers:
query_sna_net
Lists the servers in the file.
add_backup
Adds a new server to the end of the list.
delete_backup
Removes a server from the list. You can use the
delete_backup command to delete either the master
server (so that the second server listed takes over as
master) or a backup server (so that it can no longer act
as the master).