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This chapter explains how to install the SNAP-IX software. It includes the following topics:
Before you install
Required hardware and software for SNAP-IX
Installing and removing SNAP-IX
Installing Motif font files for 3270 or 3179G emulation
Configuring the Web server for use with the Web administration program
If you will be using one or more SNAP-IX TN servers, some additional setup procedures are required. These procedures are described in the section describing define_tn3270_access in the SNAP-IX Administration Command Reference instead of in this manual, because the setup is done in conjunction with the TN server configuration. For more information, refer to the section about managing TN server in the SNAP-IX Administration Guide.
Before you install SNAP-IX, you need to know how you want to run the product. This section describes the options that are available.
SNAP-IX can be run in either of the following configurations:
It can be run on a single Solaris computer as a stand-alone system. A stand-alone system can support multiple Solaris users running different SNAP-IX end-user programs.
It can be run in a client-server configuration. A client-server system can support multiple users running different SNAP-IX end-user programs that are distributed on multiple Solaris computers around a LAN (local area network). Servers must be Solaris computers; clients can be running Solaris or Windows. Servers and clients communicate across the LAN using TCP/IP. Each server in the client-server system (there can be more than one) contains an SNA node and its associated connectivity components; a client does not contain these components but accesses them on the server by means of the LAN.
For more information about the client-server configuration, refer to the SNAP-IX Administration Guide.
Before installing the SNAP-IX product, you need to consider the following. The answers to these questions will help you to determine what software you need to install on each computer.
Before upgrading to a new version, check the system file
/var/sadm/install/admin/default, and ensure that the field
Are you going to run SNAP-IX as a stand-alone or client-server system?
If you plan to run SNAP-IX as a stand-alone system, you need to install a single computer as a server. Go to The Motif Administration Program.
If you plan to run SNAP-IX as a client-server system, you must install the servers before you install the clients. Go to the next question.
If you are installing a client-server system, keep the following in mind when determining whether to install a Solaris computer as a server or as a client:
A client has less function than a server (because its server provides some of the function it needs) and therefore uses less memory and disk space.
Each computer on which you need to run an SNA node and link
adapters must be installed as a server with client support
.
Computers that will run emulation programs and other application programs, but without an SNA node, should be installed as clients.
If you are installing more than one server, which machine
will be the master server
?
If you install more than one server, you must select one of these servers
to be the master server
. This machine holds the master copy
of the SNAP-IX domain configuration file. The master server
is usually the machine most likely to be running or the first machine that
is started. After installing,
you need to run the snasetupcs program on each
server, to define the master server and to assign each server to a SNAP-IX
client-server domain; see the Client-Server Networking chapter of the SNAP-IX Administration Guide
for more information.
Will you be using the Motif administration program to configure and administer the SNA system?
SNAP-IX includes a Motif administration program (xsnaadmin). This program provides a graphical user interface from which you can view and manage SNAP-IX resources. Use this program for the initial configuration of the system. Once you have created an initial configuration, you can either continue to use the Motif administration program, or make modifications using the command-line administration tool (snaadmin).
In order to use the Motif administration program, you need X11 and Motif packages which are listed in Required Hardware and Software.
Will you be using the Web administration program to configure and administer the SNA system?
SNAP-IX includes a Web administration program (xsnaadmin). This program provides a graphical user interface from which you can view and manage SNAP-IX resources. You are recommended to use the Motif administration program for the initial configuration of the system. Once you have created an initial configuration, you can use the Web administration program, the Motif administration program, or the command-line administration tool (snaadmin).
In order to use the Motif administration program, you need a Web server that supports Java servlets. For more details, see Required Hardware and Software.
After installing SNAP-IX, you need to configure the Web server for use with the SNAP-IX Web administration program. For more information, see Configuring the Web Server.
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